New pages

Jump to navigation Jump to search
New pages
Hide registered users | Hide bots | Show redirects
(newest | oldest) View ( | ) (20 | 50 | 100 | 250 | 500)
  • 23:31, 2 December 2024Ammonium Chloride (hist | edit) ‎[2,902 bytes]Admin (talk | contribs) (Created page with "{{Compound|aka=Sal ammoniac|chemf=NH4Cl |mm=53.49|density=1.5274|mp=338(decomp)|bp=520|sol_aq=383|sol_et=4.25|sol_ac=sparingly|sol_det=insoluble|sol_met=23.7 |group=salts |stp_p=crystals|stp_q=white/clear |nfpa_h=2|ior=1.642}} ==Uses== ===Other=== * Feedstock for methylamine * Precursor for copper (II) chloride, precursor for sulfuric acid * Frigorific mixture component * Flux for soldering * Pharm: expectorant * electrolyte in many voltaic cells ==Natur...")
  • 23:30, 2 December 2024Phosphorus trichloride (hist | edit) ‎[1,713 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=PCl3|group=Halogenators |mm=137.33|density=1.574|mp=-93|bp=76|sol_aq=reacts ({{#Chem:H3PO3,HCl}})|ior=1.5122|eof=−319.7 kJ/mol|idlh=25ppm |stp_p=liquid|stp_q=colorless/yellow fuming|nfpa_h=4|nfpa_r=2|nfpa_o=<s>W</s>}} ==Uses== {{Justify}} ===Other=== * Common & effective chlorinating agent (production of acetyl chloride) ==Natural occurrence== * '''Does not''' occur naturally ==Hazards== * 600 ppm is lethal in just a few minutes.<ref>{{cit...")
  • 23:27, 2 December 2024Phosphorus oxychloride (hist | edit) ‎[972 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=POCl3|group=Halogenators |mm=153.33|density=1.645|mp=1.25|bp=105.8|sol_aq=reacts |stp_p=liquid|stp_q=clear fuming|nfpa_h=3|nfpa_r=2|nfpa_o=<s>W</s> }} ==Uses== {{Justify}} ===Other=== * Reacts to form phosphate esters / organophosphates such as '''triphenylphosphate''' *: {{#Chem:POCl3 + 3 PhOH → P(O)(OPh)3 + 3 HCl}} ==Natural occurrence== * '''Does not''' occur naturally ==Hazards== ==Character== ==Production== ===Synthesis=== ====from phosphorus t...")
  • 23:22, 2 December 2024Ammonia (dilute) (hist | edit) ‎[3,206 bytes]Admin (talk | contribs) (Created page with "Dilute ammonia is produced by many biological processes, but can also be produced with relative ease. ===Primary=== * Feedstock for ammonia ===Secondary=== * Antibacterial and insect repellant qualities ==Natural occurrence== * Ammonia is produced directly by most aquatic creatures, and excreted in their urine * The urea in land animal urine hydrolyses naturally into dilute ammonia ==Hazards== ==Production== ===Extraction=== ====Air stripping==== * Needed: One la...")
  • 23:21, 2 December 2024Activated charcoal (hist | edit) ‎[2,089 bytes]Admin (talk | contribs) (Created page with "So called "activated" charcoal is a powder composed of a processed form of regular charcoal with a particularly large surface area due to microscopic pores on the surface of the particles. This makes it more effective than regular charcoal for most non-fuel uses of charcoal. ==Uses== * Pharm: GI treatment on WHO LEM * Water filtration ==Natural occurrence== * Tiny amounts of activated charcoal '''do''' occur naturally in regular charcoal. ==Hazards== * GRAS ==Produ...")
  • 23:18, 2 December 2024Iron (II) chloride (hist | edit) ‎[543 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=FeCl2|group=salts |mm=126.751|density=3.16|mp=677|bp=1023|sol_aq=685 |stp_p=solid|stp_q=tan |nfpa_h=3 }} ==Uses== {{Justify}} ===Other=== ==Natural occurrence== ==Hazards== ==Production== ===Extraction=== ===Synthesis=== Combine metallic iron and hydrogen chloride in dry methanol, then dry at 160°C leaving anyhydrous iron (II) chloride : {{#Chem: Fe + 2 HCl { CH3OH = } FeCl2(d) + H2(g) }} ==Testing== ==Purification=...")
  • 23:16, 2 December 2024Iron (III) chloride (hist | edit) ‎[1,586 bytes]Admin (talk | contribs) (Created page with "{{Compound|aka=ferric chloride|chemf=FeCl3|group=salts |mm=262.204|density=2.9|mp=307.6|bp=316(decomp)|sol_aq=912 |stp_p=solid|stp_q=yellow/green/red |nfpa_h=2}} ==Uses== {{Justify}} ===Other=== * Chlorinating agent * Strong lewis acid<ref>{{cite pub |title=Iron(III) Chloride as a Lewis Acid in the Friedel-Crafts Acylation Reaction |first1=William H. |last1=Miles |first2=Charles F. |last2=Nutaitis |first3=Christian A. |last3=Anderton |publication=J. Chem. Educ. |year=199...")
  • 23:14, 2 December 2024Nitrobenzene (hist | edit) ‎[633 bytes]Admin (talk | contribs) (Created page with "{{Compound|name=Nitrobenzene|chemf=C6H5NHO2|struct=Nitrobenzene.png|mm=123.06|density=1.199|mp=5.7|bp=210.9|nfpa_h=2|nfpa_f=3|nfpa_r=1|stp_p=liquid|stp_q=pale yellow}} ==Uses== {{Justify}} ===Other=== * Feedstock for paracetamol, sulfanilamide, and other elements of WHO LEM * Common organic building block (e.g. aniline) ==Natural occurrence== ==Hazards== * Toxic, Flammable, Carcinogenic ==Production== ===Synthesis=== * Combine benzene, nitric acid, a...")
  • 23:13, 2 December 2024Methylene blue (hist | edit) ‎[910 bytes]Admin (talk | contribs) (Created page with "{{Compound |chemf=C16H18ClN3S |mm=319.85|density=|mp=|bp=|sol_aq=|stp_p=|stp_q=|nfpa_h= |medicine=yes |medication=yes|listed_who=yes}} ==Uses== ===Primary=== * Pharm: WHO LEM treatment for cyanide poisoning * Pharm: treatment for aniline toxicity ==Natural occurrence== ==Hazards== ==Production== ===Extraction=== ===Synthesis=== This compound may be prepared by treating dimethyl-4-phenylenediamine with hydrogen sulfide dissolved in hydrochloric acid, foll...")
  • 23:09, 2 December 20247-ACA (hist | edit) ‎[860 bytes]Admin (talk | contribs) (Created page with "{{Compound|struct=6-APA.png|synthon=yes|chemf=C8H12N2O3S|mm=216.257|density=|mp=198|bp=207(decomp)|sol_aq=4|stp_p=solid|stp_q=white}} ==Uses== ===Primary=== * Key intermediate in the production of synthetic penicillins ==Natural occurrence== * '''Does''' occur naturally in secondary metabolites of penicillium chrysogenum ==Hazards== ==Production== ===Extraction=== From a fermentation broth of penicillium chrysogenum, extract 6-APA<ref>{{Cite patent|2941995|ti...")
  • 23:08, 2 December 20246-APA (hist | edit) ‎[860 bytes]Admin (talk | contribs) (Created page with "{{Compound|struct=6-APA.png|synthon=yes|chemf=C8H12N2O3S|mm=216.257|density=|mp=198|bp=207(decomp)|sol_aq=4|stp_p=solid|stp_q=white}} ==Uses== ===Primary=== * Key intermediate in the production of synthetic penicillins ==Natural occurrence== * '''Does''' occur naturally in secondary metabolites of penicillium chrysogenum ==Hazards== ==Production== ===Extraction=== From a fermentation broth of penicillium chrysogenum, extract 6-APA<ref>{{Cite patent|2941995|ti...")
  • 23:06, 2 December 2024Phosphorus pentachloride (hist | edit) ‎[945 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=PCl5|group=Halogenators |mm=208.22|density=2.1|mp=160.5|bp=166.8|sol_aq=reacts|idlh=70mg/m<sup>3</sup> |stp_p=pale yellow|stp_q=crystals|nfpa_h=3|nfpa_r=2|nfpa_o=<s>W</s>}} ==Uses== {{Justify}} ===Other=== * Common and potent chlorinating agent * Chlorination of carboxylic acids *: {{#Chem: CH3COOH + PCl5 = CH3COCl + PCl3 + HCl}} ==Natural occurrence== * '''Does not''' occur naturally ==Hazards== ==Character== ==Production== ===Extraction=== ===Synthesi...")
  • 23:03, 2 December 2024Aniline (hist | edit) ‎[1,965 bytes]Admin (talk | contribs) (Created page with "{{Compound|name=Aniline|struct=Aniline.png|chemf=C6H5NH2|mm=93.13|density=1.0217|mp=-6.3|bp=184.13|idlh=5ppm (inh)|nfpa_h=3|nfpa_f=2|stp_p=liquid|stp_q=clear or yellowish}} ==Uses== {{Justify}} ===Other=== * Feedstock for synthetic indigo dye (indigotin) * Precursor for many organic compounds, including sulfa drugs via N-acetylsulfanilyl chloride ==Natural occurrence== ==Hazards== * Toxic and flammable ** Inhalation, ingestion, or skin exposure can all result in...")
  • 23:02, 2 December 20244-nitrophenol (hist | edit) ‎[3,563 bytes]Admin (talk | contribs) (Created page with "{{Compound|struct=4-NitroPhenol.png|chemf=OH(C6H4)NO2|mm=139.11|density=|mp=113-114|bp=279|sol_aq=11.6|stp_p=solid|stp_q=yellow|nfpa_h=}} ==Uses== ===Other=== * Feedstock for 4-aminophenol * Feedstock for picric acid * pH indicator (colorless below pH 6, bright yellow above 6) ==Natural occurrence== ==Hazards== * Toxic, irritant ==Production== <blockquote>A mixture of 94 grams of phenol and 20 ml. water is added dropwise to a obtained solution containing of 150...")
  • 23:00, 2 December 2024Benzocaine (hist | edit) ‎[960 bytes]Admin (talk | contribs) (Created page with "{{Compound |chemf=C9H11NO2|struct=Benzocaine.png |mm=165.189|density=1.17|mp=88-90|bp=310| |medicine=yes|med_class=PABA Based Local Anesthetics|listed_dhs=yes|listed_ems=yes}} {{med desc |flist=DHS |treats=ear, eye, or oral pain. It is also combined with antipyrine to form A/B otic drops to relieve ear pain |adroute=topically}} ==Uses== ===Primary=== * Pharm: DHS AMF * Precursor to procaine on the WHO LEM ==Natural occurrence== ==Hazards== ==Production== ===Extracti...")
  • 22:59, 2 December 20244-aminophenol (hist | edit) ‎[3,021 bytes]Admin (talk | contribs) (Created page with "{{Compound|struct=4-AminoPhenol.png|chemf=C6H7NO|mm=109.126|density=1.13|mp=187.5|bp=284|sol_aq=15|nfpa_h=2|nfpa_f=1|stp_p=crystals|stp_q=white or red/yellow}} ==Uses== * Vital precursor to paracetamol ==Natural occurrence== * 4-aminophenol '''does not''' occur naturally ==Hazards== * Flammable * Mutagen, Irritant, lowers blood oxygen via methemoglobin. ==Production== ===Synthesis=== ====Chemical reduction of nitrophenol==== =====sodium borohydride===== Combine the [...")
  • 22:59, 2 December 20244-nitrotoluene (hist | edit) ‎[1,816 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=C7H7NO2|mm=137.14|density=|mp=51.63|bp=238.3|sol_aq=40|stp_p=crystals|stp_q=pale yellow|nfpa_h=3|nfpa_f=1|nfpa_r=1}} ==Uses== {{Justify}} ===Other=== * Precursor to 4-aminobenzoic acid (PABA) ==Natural occurrence== * '''does not''' occur naturally ==Hazards== * Extremely sensitive explosive, vasodialator ==Production== ===Extraction=== ===Synthesis=== # Produce a cool nitration mixture by combining 105ubm (68%) nitric acid and 165ubm 98% sulf...")
  • 22:58, 2 December 20244-nitrobenzoyl chloride (hist | edit) ‎[575 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=C7H4NO4Cl|struct-4-nitrobenzoy |mm=185.563|density=|mp=71-74|bp=201-205|sol_aq=decomp |stp_p=needles|stp_q=yellow|nfpa_h=3|nfpa_f=1|nfpa_o=<s>W</s> }} ==Uses== {{Justify}} ===Other=== * Precursor to WHO LEM component procaine ==Natural occurrence== ==Hazards== ==Character== ==Production== ===Extraction=== ===Synthesis=== * Chlorinate 4-nitrobenzoic acid with thionyl chloride * Chlorinate 4-nitrobenzoic acid with phosphorus pentachlorid...")
  • 22:55, 2 December 2024Procaine (hist | edit) ‎[2,601 bytes]Admin (talk | contribs) (Created page with "{{Compound|struct=Procaine.png|chemf=C13H20N2O2|mm=236.31|density=|mp=155-156|bp=|sol_aq=|stp_p=|stp_q=|nfpa_h=|medicine=yes|listed_who=yes|med_class=PABA Based Local Anesthetics}} ==Uses== ===Primary=== * Pharm: WHO LEM adjunct of penicillin: '''procaine penicillin''' * Pharm: local anesthetic ==Natural occurrence== * '''does not''' occur naturally ==Hazards== ==Production== ===Synthesis=== ===rough text=== Procaine can be synthesized in two ways. The first consi...")
  • 22:54, 2 December 20244-nitrobenzoic acid (hist | edit) ‎[638 bytes]Admin (talk | contribs) (Created page with "{{Compound|struct=4-NitrobenzoicAcid.png|chemf=C7H5NO4|mm=167.1189|density=1.58|mp=237|bp=sublimes|sol_aq=<1|stp_p=crystals|stp_q=light yellow|nfpa_h=3|nfpa_f=1}} ==Uses== ===Primary=== * Key intermediaste in the production of benzocaine and other related compounds procaine ==Natural occurrence== ==Hazards== ==Production== ===Extraction=== ===Synthesis=== Oxidize 4-nitrotoluene to '''4-nitrobenzoic acid''' using sodium dichromate in dilute sulfuric a...")
  • 22:52, 2 December 20242-methylpropylbenzene (hist | edit) ‎[825 bytes]Admin (talk | contribs) (Created page with "{{Compound|aka=isobutylbenzene|struct=IsobutylBenzene.png|chemf=C10H14|mm=148.249|density=0.853|mp=-50-52|bp=170|ior=1.488|sol_aq=|stp_p=|stp_q=|nfpa_h=2|nfpa_f=2}} ==Uses== ===Primary=== * Feedstock for WHO LEM component ibuprofen ==Natural occurrence== * '''Does not''' occur naturally in significant quantities ==Hazards== ==Production== ===Synthesis=== ===via toluene=== React toluene and propene (as pressurized liquids) over a catalyst producing 2-methylpro...")
  • 22:51, 2 December 20244-aminobenzoic acid (hist | edit) ‎[928 bytes]Admin (talk | contribs) (Created page with "{{Compound|struct=PABA.png|chemf=C7H7NO2|mm=137.14|density=1.374|mp=186.5|bp=340|sol_aq=5.882|stp_p=crystals|stp_q=grey-white|nfpa_h=1|nfpa_f=1}} :aka PABA, ParaAminoBenzoicAcid ==Uses== ===Primary=== * Feedstock for WHO LEM items benzocaine and procaine ==Natural occurrence== * '''Does''' occur naturally in many bacteria in order to produce folic acid or folate. ==Hazards== ==Production== ===Extraction=== ===Synthesis=== # Reduce 4-nitrobenzoic acid with...")
  • 22:49, 2 December 2024N,N-Diethyl-meta-toluamide (hist | edit) ‎[1,277 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=C12H17NO|struct=DEET.png|aka=DEET |mm=191.27|density=.998|mp=−33|bp=288-292 |medicine=yes|med_class=|listed_who=|listed_dhs=yes}} ==Uses== ===Primary=== * Pharm: WHO LEM component ==Natural occurrence== ==Hazards== ==Character== ==Production== ===Synthesis=== * Prepared by converting (3-methylbenzoic acid) to the corresponding acyl chloride using thionyl chloride ({{#Chem:SOCl2}}), and then allowing that product to react with diethylamin...")
  • 22:46, 2 December 20241,3-dimethylbenzene (hist | edit) ‎[366 bytes]Admin (talk | contribs) (Created page with "{{Compound|aka=Xylene, m-Xylene|chemf=C8H10 |mm=106.16|density=0.86|mp=-48|bp=139|sol_aq=non |stp_p=liquid|stp_q=clear |nfpa_h=1|nfpa_f=3 }} ==Uses== {{Justify}} ===Other=== ==Natural occurrence== ==Hazards== ==Character== ==Production== ===Extraction=== ===Synthesis=== ==Testing== ==Purification== ==Storage== ==Disposal== ==See Also== ==References== <references/>")
  • 22:45, 2 December 20242,6-Xylidine (hist | edit) ‎[2,778 bytes]Admin (talk | contribs) (Created page with "{{Compound|struct=2,6-Xylidine.png|aka=dimethylaniline|chemf=C6H3NH2(CH3)2|mm=121.18|density=0.9842|mp=11.45|bp=215|sol_aq=|stp_p=liquid|stp_q=colorless to reddish brown|ior=1.5601}}Category:Challenges ==Uses== ===Primary=== * Feedstock for lidocaine and bupivacaine ==Natural occurrence== * '''Does''' occur naturally as a trace component of crude oil and/or coal ==Hazards== ==Production== ==Production== ===Synthesis=== ====from xylene==== 2,6-Dimethylanili...")
  • 22:44, 2 December 20241,2-dimethylbenzene (hist | edit) ‎[510 bytes]Admin (talk | contribs) (Created page with "Synthons are chemical intermediates. They are normally: * High molecular weight organic compounds * Difficult to directly synthesize * Produced with relative ease from a variety of natural sources * Converted with relative ease to high-value derivatives Category:Compounds")
  • 22:42, 2 December 2024Solanidine (hist | edit) ‎[912 bytes]Admin (talk | contribs) (Created page with "{{Compound |struct=Ibuprofen.png |chemf=C13H18O|mm=206.29|density=1.03|mp=75|bp=157|sol_aq=.021 |medicine=yes|listed_who=yes|listed_dhs=yes}} ==Uses== ===Primary=== * Pharm: used in the medication {{medlink|Ibuprofen}} on the WHO LEM, WHO IEHK, and DHS AMF ==Natural occurrence== * '''Does not''' occur naturally ==Hazards== ==Production== ===Synthesis=== * Begins with 2-methylpropylbenzene ====Hoerscht==== # Combine 2-methylpropylbenzene with acetic anhydride...")
  • 22:41, 2 December 2024Ibuprofen (hist | edit) ‎[912 bytes]Admin (talk | contribs) (Created page with "{{Compound |struct=Ibuprofen.png |chemf=C13H18O|mm=206.29|density=1.03|mp=75|bp=157|sol_aq=.021 |medicine=yes|listed_who=yes|listed_dhs=yes}} ==Uses== ===Primary=== * Pharm: used in the medication {{medlink|Ibuprofen}} on the WHO LEM, WHO IEHK, and DHS AMF ==Natural occurrence== * '''Does not''' occur naturally ==Hazards== ==Production== ===Synthesis=== * Begins with 2-methylpropylbenzene ====Hoerscht==== # Combine 2-methylpropylbenzene with acetic anhydride...")
  • 22:40, 2 December 2024Epinephrine (hist | edit) ‎[6,361 bytes]Admin (talk | contribs) (Created page with "{{Compound|aka=epinephrine |chemf=C9H13NO3|struct=Epinephrine.png |mm=183.20|mp=212|bp=decomp|density=1.283|stp_p=solid |medicine=yes|medicine_class=Phenethylamines |medication=yes|med_class=Phenethylamines|listed_who=yes|listed_dhs=yes}} ==Uses== ===Primary=== * WHO LEM component Epinephrine ==Natural occurrence== * Epinepherine occurs naturally in most animals. It is extracted from the adrenal gland, which is atop (toward the head) of the kidney. ==Hazards== * Pot...")
  • 22:39, 2 December 2024Sodium metabisulfite (hist | edit) ‎[970 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=Na2S2O5|group=salts |mm=190.107|density=1.48|mp=150(decomp)|bp=|sol_aq=653 |stp_p=powder|stp_q=white to yellow|nfpa_h=2|nfpa_r=1 }} ==Uses== ===Other=== * Medical excipient preventing oxidation of epinephrine * Simple source of sulfur dioxide * Sanitizer ==Natural occurrence== * '''Does not''' occur naturally ==Hazards== ==Production== ===Synthesis=== * Sodium metabisulfite can be prepared by evaporating a solution of sodium bisulfite s...")
  • 21:45, 2 December 2024Chloroacetic acid (hist | edit) ‎[836 bytes]Admin (talk | contribs) (Created page with "{{Compound|struct=ChloroaceticAcid.png|chemf=ClCH2COOH|mm=94.49|density=1.58|mp=63|bp=189|sol_aq=858|stp_p=crystals|stp_q=colorless/white|nfpa_h=3|nfpa_f=1|ior=1.4351}} ==Uses== ===Other=== * Key chemical intermediate related to chloroacetyl chloride ==Natural occurrence== * '''does not''' occur naturally ==Hazards== * Toxic by skin exposure, inhalation, ingestion. Hospitalization likely ==Production== ===Synthesis=== * Combine acetic acid and chlorine gas in...")
  • 21:44, 2 December 2024Bismuth subsalicylate (hist | edit) ‎[1,363 bytes]Admin (talk | contribs) (Created page with "{{Compound |name=Bismuth Subsalicylate|chemf=C7H5BiO4|mm=362|struct=Bismuth subsalicylate.png|mp=|bp=|density=|stp_p=solid|stp_q=pink|pharm=yes}} Bismuth subsalicylate is a colloidal substance. ==Uses== {{Justify}} ===Other=== * Pharmacopia: Antidiarrheal, Antiemetic. ==Hazards== * Not recommended for children under 12. ==Production== ===Synthesis=== * Timakova process<ref>{{cite pub|last1=Timakova|first1=EV|first2=YM|last2=Yukhin|first3=TA|last3=Udalova|year=2009|titl...")
  • 21:43, 2 December 2024Acetyl chloride (hist | edit) ‎[973 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=CH3COCl |mm=78.49|density=1.104|mp=52|bp=112|sol_aq=reacts |stp_p=liquid|stp_q=clear|nfpa_h=3|nfpa_f=3|nfpa_r=2|nfpa_o=<s>W</s>}} ==Uses== {{Justify}} ===Other=== * Precursor to acetic anhydride ==Natural occurrence== ==Hazards== ==Production== ===Synthesis=== * glacial acetic acid + phosphorus trichloride <ref>[http://www.prepchem.com/synthesis-of-acetyl-chloride/ PrepChem: Synthesis of acetyl chloride]</ref> *: {{#Chem: 3CH3COOH+PCl3...")
  • 21:40, 2 December 2024Sodium metabisulfate (hist | edit) ‎[970 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=Na2S2O5|group=salts |mm=190.107|density=1.48|mp=150(decomp)|bp=|sol_aq=653 |stp_p=powder|stp_q=white to yellow|nfpa_h=2|nfpa_r=1 }} ==Uses== ===Other=== * Medical excipient preventing oxidation of epinephrine * Simple source of sulfur dioxide * Sanitizer ==Natural occurrence== * '''Does not''' occur naturally ==Hazards== ==Production== ===Synthesis=== * Sodium metabisulfite can be prepared by evaporating a solution of sodium bisulfite s...")
  • 21:39, 2 December 2024Sodium dichromate (hist | edit) ‎[735 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=Na2Cr2O7|group=salts |mm=261.97|density=2.52|mp=356.7|bp=400(decomp)|sol_aq=730 |stp_p=crystals|stp_q=bright orange |nfpa_h=3|nfpa_o=ox }} ==Uses== {{Justify}} ===Other=== * Intermediate in chromium refining * oxidizing reagent ==Natural occurrence== ==Hazards== * potential (Chromium VI) carcinogen ==Production== ===Synthesis=== ====carbon dioxide==== Bubble carbon dioxide through an aqueous solution of sodium chromate : {{#Chem:2 Na2CrO4 +...")
  • 21:38, 2 December 2024Salicylic acid (hist | edit) ‎[3,169 bytes]Admin (talk | contribs) (Created page with "{{Compound|name=Salicylic acid|chemf=C7H6O3|struct=SalicylicAcid.png|mm=138.12|density=1.443|mp=158.6|bp=200|sol_aq=2.2-2.48|sol_et=275 (35%w/w)|medicine=yes|listed_who=yes|nfpa_h=2|nfpa_f=1}} ==Uses== * Precursor to acetylsalicylic acid * Precursor to bismuth subsalicylate * Topical treatment for warts and dandruff * Potential precursor for '''salbutamol''' ==Natural occurence== * '''Does''' occur natually in several plants. See methyl salicylate ==Hazards==...")
  • 21:37, 2 December 2024Mullite (hist | edit) ‎[652 bytes]Admin (talk | contribs) (Created page with "{{Mineral |name=Mullite |freq=common |hardness=6-7 |density=3.11 |chemf=(Al2O3)3(SiO2)2 }} Mullite is the "rock" produced by ceramic work: ==Uses== ===Primary=== * Structural material ===Secondary=== * Filler for ceramics ==Natural occurrence== * Mullite does occur naturally ==Production== ===from kaolinite=== : by firing ==Allotropes== * '''Platelet mullite''' is stable at temperatures below 1300°C. At temperatures above 1400°C it transforms into '''needle mull...")
  • 21:36, 2 December 2024Formaldehyde (hist | edit) ‎[2,716 bytes]Admin (talk | contribs) (Created page with "{{Compound|aka=Carbonyl dihydride|chemf=COH2|mm=30.03|density=0.8153(l)|mp=-92|bp=-19|sol_aq=400|stp_p=gas|stp_q=colorless, strongly odored|nfpa_h=2|nfpa_f=3|nfpa_o=COR}} ==Uses== {{Justify}} ===Other=== * Key chemical intermediate ==Natural occurrence== * '''does''' occur naturally in small quantities. ==Hazards== * Toxic * Carcinogen ==Production== ===Synthesis=== ====from formic acid==== Formaldehyde may be produced through the thermal decomposition of calcium format...")
  • 21:35, 2 December 2024Acetylsalicylic acid (hist | edit) ‎[2,873 bytes]Admin (talk | contribs) (Created page with "{{Compound|aka=Aspirin |chemf=C9H8O4|struct=AcetylsalicylicAcid.png|density=1.4|mp=135|bp=140|stp_p=solid|stp_q=white|idlh=150mg/kg |medicine=yes |medication=yes|listed_who=yes|listed_dhs=yes|listed_ems=yes}} {{med desc|flist=WHO, DHS, and EMS|treats=pain, fever, and/or inflammation. Specific inflammatory conditions which aspirin is used to treat include Kawasaki disease, pericarditis, and rheumatic fever. Aspirin given shortly after a heart attack decreases the risk of...")
  • 21:34, 2 December 2024Chloroacetyl chloride (hist | edit) ‎[1,596 bytes]Admin (talk | contribs) (Created page with "{{Compound|struct=ChloroacetylChloride.png|chemf=C2H2Cl2O|mm=112.94|density=1.42|mp=-22|bp=106|sol_aq=Reacts|stp_p=liquid|stp_q=pale yellow|nfpa_h=3|nfpa_f=1}} ==Uses== ===Other=== * Key (bifunctional) chemical reagent ==Natural occurrence== * '''does nor''' occur naturally ==Hazards== ==Production== ===Synthesis=== ====chlorinating chloroacetic acid==== Various methods of chlorinating chloroacetic acid include: * Via dichlorocarbonyl *: {{#Chem: ClCH2COOH + COCl...")
  • 21:31, 2 December 20242,6-xylenol (hist | edit) ‎[1,173 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=C8H10O|mm=122.17|density=1.13|mp=43-45|bp=203|ior=1.540|sol_aq=1-10|stp_p=solid|stp_q=|nfpa_h=3|nfpa_f=2}} ==Uses== {{Justify}} ===Other=== * Precursor to 2,6-Xylidine ==Natural occurrence== ==Hazards== ==Production== ===Extraction=== ===Synthesis=== Gas-phase methylation of phenol with methanol over a catalyst.<ref>{{cite patent|title=Methylation of phenols|3446856}}</ref><ref>{{cite patent|3716589|title=Process for the synthesis of...")
  • 21:30, 2 December 202416-DPA (hist | edit) ‎[3,912 bytes]Admin (talk | contribs) (Created page with "{{Compound|struct=16DPA.png|aka=16-Dehydropregnenolone Acetate<br/>3β-acetoxypregna-5,16-dien-20-one|chemf=C23H32O3|mm=356.506|density=|mp=171-172|bp=|sol_aq=|stp_p=powder|stp_q=white crystalline|synthon=yes}} __TOC__ '''16-Dehydropregnenolone acetate''' (16-DPA) is a core structure (synthon) in the production of many semisynthetic steroidal compounds. As 7-ACA is for '''cephalosporins''' and 6-APA is for '''penicillins''', 16-DPA...")
  • 21:24, 2 December 2024Stibnite (hist | edit) ‎[222 bytes]Admin (talk | contribs) (Created page with "{{ Ore | freq=common | hardness=2 | density=4.63 | chemf=Sb2S3 | calctemp=500 | calcprod=Sb2O3 | m1=Sb | m2= | m3= }} Once calcined to the oxide, it can be carbothermically reduced to the metal proper")
  • 21:22, 2 December 2024Sphalerite (hist | edit) ‎[153 bytes]Admin (talk | contribs) (Created page with "{{Ore |name=Sphalerite |freq=uncommon |hardness=3.5-4 |density=4 |chemf=ZnS |m1=Zn |calcprod=ZnO |water=water }} Sphalerite is a primary ore of zinc")
  • 21:21, 2 December 2024Phthalic anhydride (hist | edit) ‎[1,287 bytes]Admin (talk | contribs) (Created page with "{{Compound|struct=PhthalicAnhydride.png|chemf=C8H4O3|mm=148.1|density=1.53|mp=131.6|bp=295|sol_aq=6.2|stp_p=crystals|stp_q=white, acrid smelling|nfpa_h=3|nfpa_f=1}} ==Uses== ===Other=== * Key chemical reagent ==Natural occurrence== ==Hazards== ==Production== ===Extraction=== ===Synthesis=== Phthalic anhydride is synthesized by the oxygenation of 1,2-dimethylbenzene (o-xylene). The process differs in the oxidant. Both processes produce '''maleic anhydride''' as well,...")
  • 21:18, 2 December 2024Paracetamol (hist | edit) ‎[3,468 bytes]Admin (talk | contribs) (Created page with "{{Compound|aka=Acetaminophen, Tylenol |chemf=C8H9NO2|mm=151.17|density=1.263|mp=169|sol_aq=12.78 |medicine=yes|listed_who=yes|listed_dhs=yes}} {{med desc|flist=WHO, DHS, and EMS |treats=pain and fever. It is typically used for mild to moderate pain relief |admin=orally}} ==Uses== ===Primary=== * Pharm: used in the medication {{medlink|paracetamol}} on the WHO LEM, WHO IEHK, DHS AMF, and EMS lists ==Production== ===Synthesis=== ====from 4-aminophenol==== The main product...")
  • 21:17, 2 December 2024Methylamine (hist | edit) ‎[926 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=CH5N|mm=31.06|density=0.656|mp=−93.10|bp=-6.6|sol_aq=1008|stp_p=gas|stp_q=colorless fishy-smelling|nfpa_h=3|nfpa_f=4|idlh=100ppm|listed_dea=yes}} ==Uses== {{Justify}} ===Other=== ==Natural occurrence== ==Hazards== ==Production== ===Extraction=== ===Synthesis=== ====Ammonium chloride==== # Combine formaldehyde and ammonium chloride producing '''methylamine hydrochloride''', water, and carbon dioxide #: {{#Chem: 3 CH2O + 2 NH4Cl {= 3h, 104°C}...")
  • 21:10, 2 December 2024Methyl salicylate (hist | edit) ‎[2,232 bytes]Admin (talk | contribs) (Created page with "{{Compound|aka=oil of wintergreen|chemf=C8H8O3 |mm=152|density=1.174|mp=-9|bp=220|sol_aq=0.639|sol_et=soluble |nfpa_h=2|nfpa_f=1}} ==Uses== * Pleasant minty smell & taste. * Trivially broken down into two useful chemicals: methanol and phenol: * Feedstock for salicylic acid, a precursor to asprin and pepto bismol ==Natural occurrence== * Many plants produce this material biologically, including betula lenta...")
  • 20:58, 2 December 2024Kaolinite (hist | edit) ‎[332 bytes]Admin (talk | contribs) (Created page with "{{Mineral |name=Kaolinite |freq=common |hardness=2-2.5 |density=2.16 |chemf=Al2O3(SiO2)2(H2O)2 }} Kaolinite is the purest mineral form of clay, is a weathered/hydrated form of mullite and is used extensively in ceramics. ==Uses== ===Primary=== * Feedstock for virtually all ceramics ==See Also== ==References== <references/>")
  • 20:56, 2 December 2024Hydrogen bromide (hist | edit) ‎[1,388 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=HBr|mm=80.91|density=0.0036452|mp=-86.9|bp=-66.8|sol_aq=1930|group=Mineral Acids|stp_p=gas|stp_q=colorless/faint yellow|nfpa_h=3|ior=1.325}} ==Uses== ===Primary=== * Key chemical intermediate for bromine chemistry. ==Natural occurrence== * '''does not''' occur naturally. ==Hazards== * HBr is highly corrosive and irritating to inhalation. ==Production== ===Extraction=== ===Synthesis=== * Combine sodium bromide and sulfuric acid: *: {{#Chem: N...")
(newest | oldest) View ( | ) (20 | 50 | 100 | 250 | 500)