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)
  • 02:56, 4 December 20241,6-diaminohexane (hist | edit) ‎[575 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=C6H16N2|aka=hexamethylene diamine |mm=116.208|density0.84=|mp=39-42|bp=204.6|sol_aq=490 |stp_p=crystals|stp_q=clear/white |nfpa_h=3|nfpa_f=2}} ==Uses== {{Justify}} ===Primary=== * Precursor for WHO LEM component chlorhexidine ===Other=== * precursor for Nylon (6,6) ==Natural occurrence== * '''Does not''' occur naturally ==Hazards== ==Character== ==Production== ===Synthesis=== * Hydrogenate adiponitrile producing 1,6-diaminohexane. =...")
  • 02:55, 4 December 2024Sodium stibogluconate (hist | edit) ‎[1,277 bytes]Admin (talk | contribs) (Created page with "Pewters are alloys made chiefly of tin, but including copper, lead, '''antimony''' and bismuth. Being easily melted down and recast, it is easy to reuse, repair, and recycle. ==Uses== * food service and drinking vessels ==Production== {| class=wikitable |+ Pewter compositions |- !rowspan=2|Authority !rowspan=2|Name !rowspan=2|Usage !colspan=5|wt% |- |Tin |Copper |Antimony |Bismuth |Lead |- !British Standard |5140 |Any |91 |7.5 |1.5 |...")
  • 02:53, 4 December 2024Pewter (hist | edit) ‎[1,277 bytes]Admin (talk | contribs) (Created page with "__TOC__ ==General Usage== Hydrocortisone, sold under a number of brand names, is the name for the corticosteroid cortisol when supplied as a medication. Uses include conditions such as adrenocortical insufficiency, high blood calcium, thyroiditis, rheumatoid arthritis, dermatitis, asthma, and COPD. It is also used as an immunosuppressant. Stopping treatment after long-term use should be done slowly. ===Availability=== Generally topical forms are OTC, while oral and i...")
  • 02:50, 4 December 2024Hydrocortisone (hist | edit) ‎[938 bytes]Admin (talk | contribs) (Created page with "__TOC__ ==General Usage== Hydrocortisone, sold under a number of brand names, is the name for the corticosteroid cortisol when supplied as a medication. Uses include conditions such as adrenocortical insufficiency, high blood calcium, thyroiditis, rheumatoid arthritis, dermatitis, asthma, and COPD. It is also used as an immunosuppressant. Stopping treatment after long-term use should be done slowly. ===Availability=== Generally topical forms are OTC, while oral and i...")
  • 02:50, 4 December 2024Hydrbromic acid (hist | edit) ‎[511 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=HBr |mm=80.91|density= 1.49|mp=|bp=|sol_aq=misc |stp_p=liquid|stp_q=clear or pale yellow |azeo_aq_ww=48%|azeo_aq_bp=122|azeo_aq_mp=-11 |nfpa_h=3|nfpa_o=ACID }} __TOC__ Hydrobromic acid is hydrogen bromide in water. The azeotrope is ~48% by mass. ==Uses== Key for bromine chemistry ===Other=== ==Natural occurrence== ==Hazards== ==Character== ==Production== ===Extraction=== ===Synthesis=== ==Testing== ==Purification== ==Storage== ==Disposal== ==See...")
  • 02:49, 4 December 2024Horn (hist | edit) ‎[129 bytes]Admin (talk | contribs) (Created page with "This page refers to the ''material'' horn, which includes antlers, and is related to bone and hoof. Category:Animal Products")
  • 02:48, 4 December 2024Hexane (hist | edit) ‎[485 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=C6H14|mm=86.18|density=0.6548|mp=-96|bp=68.5|sol_aq=0.0095|stp_p=liquid|stp_q=colorless|nfpa_h=2|nfpa_f=3|fv=47.743}} ==Uses== ===Primary=== * Nonpolar solvent ==Natural occurrence== ==Hazards== ==Production== ===Extraction=== * Crude oil fraction boiling off between 65 and 70°C ===Synthesis=== ====from glucose==== Combine glucose and hydroiodic acid in the presence of red phosphorus ==See Also== ==References== <references/> Category:...")
  • 02:48, 4 December 2024Heptane (hist | edit) ‎[1,814 bytes]Admin (talk | contribs) (Created page with "{{Compound |chemf=C7H16 |mm=100.21 |density=0.6795 |mp=-90.549 |bp=98.38 |sol_aq=0.003 |stp_p=liquid |stp_q=clear |nfpa_h=1|nfpa_f=3 |ior=1.3855 |fv=44.566 |solvent=np}} ==Uses== {{Justify}} ===Other=== * Fuel * Solvent * General Anesthetic? ==Natural occurrence== * '''Does''' occur naturally in Pinus jeffreyi and Pittosporum resiniferum ==Hazards== {|class=wikitable |+ Physiological response of persons exposed for short periods to paraffin hydrocarbon vapors<re...")
  • 02:47, 4 December 2024Heparin (hist | edit) ‎[417 bytes]Admin (talk | contribs) (Created page with "==Uses== ===Primary=== * Pharm: WHO LEM anticoagulant ==Natural Occurrence== * '''does''' occur naturally ==Hazards== ==Production== ===Extraction=== * from beef lung<ref>{{cite patent | 2410084}}</ref><ref>{{cite patent | 2377016}}</ref><ref>{{cite patent|2797184}}</ref> * from ox liver <ref>{{cite patent | 2623001}}</ref> ==See Also== ==References== <references/> Category:Complex OrganicsCategory:WHO LEM")
  • 02:46, 4 December 2024Hausmannite (hist | edit) ‎[220 bytes]Admin (talk | contribs) (Created page with "{{ Ore | name=Hausmannite | hardness=5.5 | density=4.76 | chemf=Mn3O4 | m1=Mn | m2= | m3= }} Hausmannite is a primary ore of manganese. Smelting pyrolusite actually produces hausmannite as an intermediate.")
  • 02:45, 4 December 2024Gluconic acid (hist | edit) ‎[3,569 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=C6H12O7|mm=196.16|density=|mp=131|bp=|sol_aq=316|stp_p=crystals|stp_q=colorless|nfpa_h=1|nfpa_f=1}} ==Uses== ===Primary=== * Precursor to WHO LEM entries calcium gluconate and sodium stibogluconate ==Natural occurrence== * '''does not''' occur naturally ==Hazards== ==Production== ===Fermentation=== * {{cite pub |title=The production of gluconic acid by the penicillium luteum-purpurogenum group. Part I. |first1=Orville E. |last1=May |first2=Horace...")
  • 02:44, 4 December 2024Gaultheria procumbens (hist | edit) ‎[869 bytes]Admin (talk | contribs) (Created page with "{{ Plant | aka = Teaberry | taxonomy = Angiosperms / Eudicots / Asterids / Ericales / Ericaceae | gr_area= warm oceans | range=Eastern North America | medicinal=yes }} ==Uses== ===Primary=== * Production of methyl salicylate ==Hazards== ==Cultivation== ==Harvest== ==See Also== * {{cite pub |publication=Scientific American Supplement |year=1884 |volume=17 |issue=418 |publisher=Munn & Co, New York |title=Oleum Gaultheriae |first1=Isaac Edward |last1=Leonard, Ph. G....")
  • 02:44, 4 December 2024Fructose (hist | edit) ‎[361 bytes]Admin (talk | contribs) (Created page with "{{Compound|name=Fructose|chemf=C6H12O6|mm=180.16|density=1.684|mp=103|sol_aq=909|stp_p=solid|stp_q=white}} ==Uses== {{Justify}} ===Other=== * Common form of natural sugar, created by several other processes. ==Natural occurrence== * Occurs naturally in fruits and honey ==Hazards== ==Production== ===Extraction=== :cf Hydrolyzed sucrose syrup ==See Also== ==References== <references/>")
  • 02:43, 4 December 2024Folic acid (hist | edit) ‎[1,467 bytes]Admin (talk | contribs) (Created page with "{{Compound|aka=Vitamin B<sub>9</sub>|chemf=C19H19N7O6 |mm=441.40|density={{pm|1.6|0.1}}|mp=250 (decomp)|bp=|sol_aq=0.0016|stp_p=|stp_q=|medicine=yes|listed_who=yes|med_class=Dietary Supplements}} Related to dihydrofolic acid, tetrahydrofolic acid, folic acid is converted to folate in the liver. ==Uses== ===Primary=== * Pharm: WHO LEM vitamin/mineral ==Natural occurrence== * '''Does''' occur naturally in leafy green vegetables and as a secondary metabolite of many monads....")
  • 02:41, 4 December 2024Filipendula ulmaria (hist | edit) ‎[325 bytes]Admin (talk | contribs) (Created page with "{{ Plant |aka = Meadowsweet |taxonomy = Angiosperms / Eudicots / Rosids / Rosales / Rosaceae |gr_area= damp meadows |range= Northern hemisphere |medicinal=yes }} ==Uses== ===Primary=== * Production of methyl salicylate ==Hazards== ==Cultivation== ==Harvest== ==See Also== ==References== <references/> Category:Drew Ag")
  • 02:39, 4 December 2024Ethylene oxide (hist | edit) ‎[805 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=C2H4O|mm=44.05|density=0.000882|mp=-111.3|bp=10.7|sol_aq=misc|stp_p=gas|stp_q=colorless|nfpa_h=3|nfpa_f=4|nfpa_r=3|industrial=yes|idlh=800ppm}} ==Uses== ===Primary=== * Industrial chemical ==Natural occurrence== * '''does not''' occur naturally ==Hazards== * Extremely flammable ==Production== ===Synthesis=== * Dechlorinate 2-chloroethanol using an alkalai hydroxide: *: {{#Chem: HOCH2CH2Cl + NaOH { = warm} C2H4O + NaCl + H2O}} * Partial oxidation|Sl...")
  • 02:35, 4 December 2024Ethyl acetate (hist | edit) ‎[1,317 bytes]Admin (talk | contribs) (Created page with "{{Compound|name=Ethyl Acetate|chemf=CH3COOCH2CH3|mm=88.11|density=0.897|mp=-83.6|bp=77.1|sol_aq=80.3|stp_p=liquid|stp_q=clear|nfpa_h=1|nfpa_f=3|solvent=pp|azeo_aq_vv=78.6|azeo_aq_bp=70.3}} ==Uses== ===Primary=== * Excellent organic solvent * Liquid/liquid extractions ===Secondary=== * Decaffeination ==Natural occurrence== * '''May''' occur naturally whre ethanol is consumed by acetobacter ==Hazards== * Extremely flammable ==Production== ===Synthesis=== Hypotheticall...")
  • 02:34, 4 December 2024Ergometrine (hist | edit) ‎[4,040 bytes]Admin (talk | contribs) (Created page with "{{Compound|aka=Ergonovine|chemf=C19H23N3O2|mm=325.41|density=|mp=150-152|bp=|sol_aq=|stp_p=|stp_q=|listed_dea=yes|medicine=yes|listed_who=yes|ld50=8.2mg/kg (mouse)}} ==Uses== ===Primary=== * Pharm: WHO LEM component ==Natural occurrence== * '''Does''' occur naturally in the growths of claviceps purpurea. ==Hazards== ==Production== ===Extraction=== ====from defatted ergot powder==== A general process to extract ergomerine from "defatted ergot powder" with a yield of...")
  • 02:33, 4 December 2024Ephedrine (hist | edit) ‎[3,446 bytes]Admin (talk | contribs) (Created page with "{{Compound |chemf=C13H21NO3|struct=Ephedrine.png |mm=165.23|density=1.124|mp=37-39|bp=255|stp_p=solid |medicine=yes|med_class=Phenethylamines |medication=yes|listed_who=yes|listed_dea=yes}} {{Compound|name=Pseudoephedrine |chemf=C13H21NO3|struct=Pseudoephedrine.png |mm=165.23|density=1.124|mp=118-119|stp_p=solid |medicine=yes|med_class=Phenethylamines |medication=yes|listed_dhs=yes |listed_dea=yesbut}} ==Uses== ===Primary=== * WHO LEM ==Natural occurrence== * Ephendrine...")
  • 02:12, 4 December 2024EDTA (hist | edit) ‎[470 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=C10H16N2O8|mm=|density=|mp=|bp=|sol_aq=|stp_p=|stp_q=}} ==Uses== ===Primary=== * Precursor to WHO LEM Sodium Calcium Edtate ==Natural occurrence== ==Hazards== ==Production== ===Extraction=== ===Synthesis=== To a solution of tetrasodium edetate, add hydrochloric acid until the pH is 2 :{{#Chem: C10H12N2Na4O8(aq) + 4HCl = C10H16N2O8 + 4 NaCl}} ==Testing== ==Purification== ==Storage== ==Disposal== ==See Also== ==References== <references/>")
  • 02:11, 4 December 2024Dioscorea composita (hist | edit) ‎[1,064 bytes]Admin (talk | contribs) (Created page with "{{ Plant | name = Barbasco | vcat = tuber | taxonomy = Angiosperms/Monocots/Dioscoreales/Dioscoreaceae | gr_area= tropics/subtropics | range= North America | medicinal=yes }} A perennial climbing plant of the moist tropics and subtropics in central and north America cultivated for its high diosgenin content. ==Uses== * Source of diosgenin ==Cultivation== It grows best in areas where annual daytime temperatures are within the range 25 - 30°c, but can tolerate 15-...")
  • 02:10, 4 December 2024Dimethylanaline (hist | edit) ‎[668 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=C8H11N|mm=121.18|density=0.956|mp=2|bp=194|sol_aq=2%|stp_p=liquid|stp_q=colorless|nfpa_h=3|nfpa_f=2}} ==Uses== {{Justify}} ===Other=== ==Natural occurrence== ==Hazards== ==Production== ===Extraction=== ===Synthesis=== ====halomethanes==== # React Aniline with iodomethane or chloromethane giving dimethylaniline #: {{#Chem: C6H5NH2 + 2CH3X = C8H11N + 2HX;    X ∈ I,Cl}} ====methanol==== # React Aniline with methanol in aci...")
  • 02:06, 4 December 2024Chlorhexidine (hist | edit) ‎[734 bytes]Admin (talk | contribs) (Created page with "{{Compound| |chemf=C22H30Cl2N10|mm=505.446|sol_aq=0.0008 |medicine=yes |medication=yes|listed_who=yes|listed_dhs=yes}} ==Uses== ===Primary=== * Pharm: WHO LEM antiseptic ==Natural occurrence== * '''Does not''' occur naturally ==Hazards== ==Production== ===Synthesis=== The product is built from butadiene outwards, through 1,6-diaminohexane and then: # React 1,6-diaminohexane with 2-cyanoguanidine to produce '''hexamethylene - bis cyanoguanidine''' # React...")
  • 02:06, 4 December 2024Calcium cyanamide (hist | edit) ‎[1,749 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=CaCN2|group=salts |mm=80.102|density=2.29|mp=1340|sol_aq=reacts |stp_p=solid|stp_q=white }} ==Uses== ===Other=== * Production of sodium cyanide * Production of ammonia * Production of cyanamide ==Natural occurrence== * '''Does not''' occur naturally. ==Hazards== ==Character== ==Production== ===Extraction=== ===Synthesis=== ====from urea==== # Add calcium oxide to molten urea and maintain heat until it is a (mostly) anhydrous s...")
  • 02:05, 4 December 20242-cyanoguanidine (hist | edit) ‎[509 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=C2H4N4|aka=Dicyandiamide |mm=84.08|density=1.4|mp=209.5|bp=252|sol_aq=41.3|sol_et=soluble |stp_p=crystals|stp_q=white |nfpa_h=1|nfpa_f=1}} ==Uses== {{Justify}} ===Other=== * Precursor to WHO LEM Component metformin. ==Natural occurrence== ==Hazards== ==Character== ==Production== ===Extraction=== ===Synthesis=== * {{cite patent|2416545|title=Method of preparing dicyandiamide}} ==Testing== ==Purification== ==Storage== ==Disposal== ==See Als...")
  • 02:04, 4 December 2024Trichloroethylene (hist | edit) ‎[565 bytes]Admin (talk | contribs) (Created page with "{{Compound|struct=Trichloroethylene.png|chemf=Cl2CCHCl|mm=131.4|density=1.46|mp=-84.8|bp=87.2|sol_aq=1.28|stp_p=liquid|stp_q=colorless|nfpa_h=2|nfpa_f=1|ior=1.4777}} ==Uses== ===Primary=== * Feedstock for chloroacetic acid ==Natural occurrence== * '''Does not''' occur naturally ==Hazards== * Carcinogenic, low toxicity ==Production== ===Synthesis=== ====dichloroethane==== * Thermally decompose dichloroethane *: {{#Chem: ClCH2CHCl + 2Cl2 {=400°C} ClCHCCl2 + 3H...")
  • 02:02, 4 December 2024Sodium cyanide (hist | edit) ‎[1,754 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=NaCN|group=salts |mm=|49.0072|density=1.5955|mp=563.7|bp=1496|sol_aq=637|ior=1.452|idlh=25mg/m<sup>3</sup> |stp_p=solid|stp_q=white |nfpa_h=4 }} ==Uses== {{Justify}} ===Other=== ==Natural occurrence== ==Hazards== * Highly toxic: an oral dosage as small as 200–300 mg can be fatal. * See Cyanide poisoning treatment ==Production== ===Extraction=== ===Synthesis=== ====Castner==== Scientific American<ref>{{cite pub|publication=Scientific American Suppl...")
  • 02:01, 4 December 2024Rose's metal (hist | edit) ‎[1,094 bytes]Admin (talk | contribs) (Created page with "'''Rose's metal''', '''Rose metal''' or '''Rose's alloy''' is a fusible alloy with a low melting point. Its melting point is between 94°C and 98°C. The alloy does not contract on cooling. ==Uses== Rose's metal has several common uses: # As a solder. It was used to secure cast iron railings and balusters in pockets in stone bases and steps. # As a heat transfer medium in heating baths, typically 220°C and higher. # As a malleable filling to prevent tubes and pipes...")
  • 02:01, 4 December 2024Metformin (hist | edit) ‎[621 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=C4H11N5|mm=129.16364|density=|mp=|bp=|sol_aq=|stp_p=|stp_q=|medicine=yes|listed_who=yes}} ==Uses== ===Primary=== * Pharm: WHO LEM component ==Natural occurrence== ==Hazards== ==Production== ===Extraction=== ===Synthesis=== # Produce '''dimethylamine hydrochloride''' ## Neutralize dimethylamine with hydrochloric acid: ##: {{#Chem: NH(CH3)2 + HCl = NH2(CH3)2Cl}} # React '''dimethylamine hydrochloride''' and 2-cyanoguanidine over heat #: {{#Chem...")
  • 02:00, 4 December 2024Lincomycin (hist | edit) ‎[514 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=C18H34N2O6S|mm=406.538}} ==Uses== ===Primary=== * Precursor for WHO LEM component clindamycin ==Natural occurrence== * '''Does''' occur naturally as a secondary metabolite of Streptomyces lincolnensis ==Hazards== ==Production== ===Extraction=== Extracted from the fermentation broth of Streptomyces lincolnensis<ref>{{cite patent|3676302|title=Lincomycin production}}</ref> ===Synthesis=== ==Testing== ==Purification== ==Storage== ==Disposal== ==...")
  • 01:59, 4 December 2024Hydroxocobalamin (hist | edit) ‎[1,566 bytes]Admin (talk | contribs) (Created page with "{{Compound|aka=Hydrox<u>o</u>cobalamin, Vitamin B<sub>12</sub>|chemf=C62H89CoN13O15P|group=Bioproducts |complexo=yes|mm=1346.37 |stp_p=crystals|stp_q=dark red |medicine=yes|listed_who=yes|med_class=Dietary Supplements }} Hydroxocobalamin, along with related compounds '''cyano'''cobalamin, '''methyl'''cobalamin, and '''adenosyl'''cobalamin, represent bioavailable forms of vitamin B12. Cobalamin coordinates five out of six points on the cobalt atom, leaving the sixth f...")
  • 01:51, 4 December 2024Ethylamine (hist | edit) ‎[505 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=C2H7N|mm=45.09|density=|mp=-85—-79|bp=16-20|sol_aq=|stp_p=gas|stp_q=colorless|nfpa_h=3|nfpa_f=4|listed_dea=yes|idlh=600ppm}} ==Uses== {{Justify}} ===Other=== * Side product of producing diethylamine ==Natural occurrence== * is produced naturally (in space) ==Hazards== ==Production== ===Extraction=== ===Synthesis=== :cf. diethylamine There are many other methods of production ==Testing== ==Purification== ==Storage== ==Disposal== ==See Also=...")
  • 01:49, 4 December 2024Salicornia Bigelovii (hist | edit) ‎[515 bytes]Admin (talk | contribs) (Created page with "Salicornia Bigelovii, aka Dwarf Saltwort. {{ Plant | name = Dwarf saltwort | image = | vcat = salt grasses | aka =Dwarf saltwort | gs = Salicornia Bigelovii | taxonomy = Angiosperms; Eudicots; Core eudicots; Caryophyllales; Amaranthaceae; Salicornioideae | gr_area= warm salt marshes | range=Western North America }} ==Uses== * Key source of sodium carbonate ==See Also== * {{cite web|title=Salicornia Bigelovii|url=http://plants.usda.gov/core/profile?symbol=SAB...")
  • 01:47, 4 December 2024Diosgenin (hist | edit) ‎[951 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=C27H42O3|struct=Diosgenin.png|group=Plant Products |mm=414.63 |stp_p=solid|stp_q=white/clear |synthon=yes}} ==Uses== ===Primary=== * Feedstock for progesterone and hydrocortisone ==Natural occurrence== * '''Does''' occur naturally dioscorea composita and -mexicana, as well as fenugreek plants ==Hazards== ==Production== ===Extraction=== ====From dioscorea==== : cf {{cite patent|3505316|title=Recovery of diosgenin from dioscorea root material}}...")
  • 01:46, 4 December 2024Dimethylamine (hist | edit) ‎[448 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=(CH3)2NH |mm=45.085|mp=-93|bp=7=9|sol_aq=|stp_p=gas|stp_q=colorless |nfpa_h=2|nfpa_f=4}} ==Uses== ===Primary=== * Feedstock for WHO LEM component Metformin ==Natural occurrence== ==Hazards== ==Character== ==Production== ===Extraction=== ===Synthesis=== : See [[Alkylamine process] * Reflux methanol in ammonia ==Testing== ==Purification== ==Storage== ==Disposal== ==See Also== ==References== <references/>")
  • 01:45, 4 December 2024Dimethyl-4-phenylenediamine (hist | edit) ‎[673 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=C8H12N2|mm=136.20|density=|mp=53|bp=262|sol_aq=|stp_p=crysals|stp_q=reddish-violet}} ==Uses== ===Primary=== * Feedstock for methylene blue ==Natural occurrence== ==Hazards== ==Production== ===Extraction=== ===Synthesis=== # React dimethylanaline with '''nitrous acid''' (created in situ from sodium nitrite and hydrochloric acid) giving '''para-dimethylaniline nitrite''' #: {{#Chem: C8H11N + HNO2 = C8H10N2O + H2O}} # Reduce '''para-dimeth...")
  • 01:42, 4 December 2024Diethylamine (hist | edit) ‎[619 bytes]Admin (talk | contribs) (Created page with "{{Compound|struct=Diethylamine.png|chemf=NH(CH3CH2)2|mm=73.14|density=0.7074|mp=-49.8|bp=54.8|sol_aq=misc|stp_p=liquid|stp_q=colorless, fishy-smelling|nfpa_h=3|nfpa_f=3|nfpa_r=1|ior=1.385}} ==Uses== ===Primary=== * Key chemical intermediate ==Natural occurrence== ==Hazards== ==Production== ===Extraction=== ===Synthesis=== Reflux ethanol and ammonia over aluminum oxide producing a mixture of ethylamine, diethylamine, and triethylamine. : {{#Chem:...")
  • 01:41, 4 December 2024Dichloroethane (hist | edit) ‎[584 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=ClH2CCH2Cl|mm=98.95|density=1.253|mp=-35|bp=84|sol_aq=8.7|stp_p=liquid|stp_q=colorless|nfpa_h=3|nfpa_f=3|industrial=yes|solvent=yes}} ==Uses== ===Primary=== * Industrial chemical * Intermediate in the production of trichloroethylene * Feedstock for Vinyl chloride monomer ==Natural occurrence== ==Hazards== ==Production== ===Synthesis=== * Chlorinate ethylene with chlorine gas over an iron (III) chloride catalyst *: {{#Chem: H2CCH2 + Cl2 {...")
  • 01:36, 4 December 2024Cyanide poisoning treatment (hist | edit) ‎[978 bytes]Admin (talk | contribs) (Created page with "__TOC__ ==Causes== * Exposure to sodium cyanide, potassium cyanide, or hydrogen cyanide. ==Symptomology== Confusion from hypoxia and muscle pain from lactic acid buildup. Low blood oxygen, low blood pH. ==Treatment== * Supplemental Oxygen, '''and''' * IM or IV sodium thiosulfate '''and''' * one, but '''not''' both of ** IM or IV sodium nitrite '''--or--''' ** IM or IV hydroxocobalamin ===Warnings=== * Do '''not''' co-administer hydroxocobalam...")
  • 01:35, 4 December 2024Cyanamide (hist | edit) ‎[957 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=CH2N2 |mm=42.040|density=1.28|mp=44|bp=260 (decomp)|sol_aq=850 |stp_p=crystals|stp_q= |nfpa_h=2|nfpa_f=1|nfpa_r=2}} ==Uses== {{Justify}} ===Other=== * Production of biguanides (incl 2-cyanoguanidine<ref>{{cite patent|2416545|title=Method of preparing dicyandiamide}}</ref>) and thence WHO LEM components Metformin, proguanil and Chlorhexidine ==Natural occurrence== ==Hazards== ==Character== ==Production== ===Extraction=== ===Synthe...")
  • 01:34, 4 December 2024Copper (II) Oxide (hist | edit) ‎[2,191 bytes]Admin (talk | contribs) (Created page with "{{Compound|aka=cupric oxide, black copper oxide|chemf=CuO|group=salts |mm=79.545|density=6.315|mp=1326|bp=2000|sol_aq=0 |stp_p=powder|stp_q=black |nfpa_h=2|nfpa_r=1}} ==Uses== ===Primary=== * Primary intermediate for copper and bronze ===Other=== * Catalyst * Precursor to cuperammonium for the production of rayon * Glass polishing * Component of copper-aluminum thermite * P-type semiconductor ==Natural occurrence== * Occurs naturally as the rare mineral tenorite...")
  • 01:32, 4 December 2024Coffea canephora (hist | edit) ‎[656 bytes]Admin (talk | contribs) (Created page with "{{ Plant | vcat = perennial evergreen dicotyledon | aka = Coffee Robusta | taxonomy = Angiosperms;Eudicots;Asterids;Gentianales;Rubiaceae;Ixoroideae;Coffeeae | gr_area= high altitude equatorial areas | range=global | medicinal=yes | food=yes }} ==Uses== {{Justify}} ===Other=== * Source of caffeine ==Hazards== ==Cultivation== The coffee plant needs plenty of rain to grow, something like 1,500-2,000 mm a year. For Robusta tempratures should ranger 24 – 30°C. Cof...")
  • 01:31, 4 December 2024Coffea arabica (hist | edit) ‎[672 bytes]Admin (talk | contribs) (Created page with "{{ Plant | vcat = perennial evergreen dicotyledon | aka = Coffee Robusta | taxonomy = Angiosperms;Eudicots;Asterids;Gentianales;Rubiaceae;Ixoroideae;Coffeeae | gr_area= high altitude equatorial areas | range=global | medicinal=yes | food=yes }} ==Uses== {{Justify}} ===Other=== * Source of caffeine ==Hazards== ==Cultivation== The coffee plant needs plenty of rain to grow, something like 1,500-2,000 mm a year. The temperature for Arabica is 15–24˚C. Coffee is extr...")
  • 01:29, 4 December 2024Clindamycin (hist | edit) ‎[1,047 bytes]Admin (talk | contribs) (Created page with "{{Compound|chemf=C18H33ClN2O5S|struct=Clindamycin.png|group=Bioproducts |complexo=yes||mm=424.98 |medicine=yes|med_class=Antibiotics|listed_who=yes|listed_dhs=yes }} ==Uses== ===Primary=== * Pharm: WHO LEM antibiotic ==Natural occurrence== * '''Does not''' occur naturally ==Hazards== ==Production== ===Synthesis=== * Chlorinate lincomycin using thionyl chloride to replace the 7-hydroxy group with a chlorine atom with inversion of chirality.<ref>{{Cite pub | last1...")
  • 01:28, 4 December 2024Cisplatin (hist | edit) ‎[1,198 bytes]Admin (talk | contribs) (Created page with "{{Compound|struct=Cisplatin.png|chemf=Pt*2Cl*2NH3|mm=300.01|density=|mp=|bp=|sol_aq=|stp_p=|stp_q=|med_class=Platinum Based Antineoplastics|medicine=yes|listed_who=yes}} ==Uses== ===Primary=== * Pharm: WHO LEM antineoplastic ==Natural occurrence== * '''Does not''' occur naturally ==Hazards== ==Production== ===Extraction=== ===Synthesis=== # Combine potassium hydroxide and hexachloroplatinic acid giving '''potassium hexachloroplatinate''' ({{#Chem: K2[PtCl6]}}) #...")
  • 01:26, 4 December 2024Cement (hist | edit) ‎[1,396 bytes]Admin (talk | contribs) (Created page with "==Types== Cement normally consists of a 30:20:1 ratio of calcium oxide, silicon dioxide, and gypsum. Some aluminum oxide can be substituted for silicon dioxide. ===Portland Cement=== {| class=wikitable !C3S / Alite |50% | {{#Chem: 3CaO*SiO2}} | C3S + 6H = C-S-H + 3CH<br> '''Alite''' + 6 Water = '''C-S-H''' + 3 Portlandite<br> {{#Chem: 2(CaO)3SiO2 + 6H2O = (CaO)3(SiO)2(OH)3 + 3Ca(OH)2 dH=-173.6}} | +120cal/g |very reactive compound, high heat of hydration, h...")
  • 01:25, 4 December 2024Babbit (hist | edit) ‎[364 bytes]Admin (talk | contribs) (Created page with "Babbit is a tough, soft, mildly malleable material used to line bearing surfaces. There are many formulas, as with Pewter. * about 50 parts of tin, five of antimony, and one of copper<ref>{{cite patent|1252|title=Mode of making boxes for axles and gudgeons}}</ref> ==See Also== * Pewter * Rose's metal ==References== <references/> Category: Alloys")
  • 01:22, 4 December 2024Steel (hist | edit) ‎[1,184 bytes]Admin (talk | contribs) (Created page with "Steels are a class of iron alloys which are generally suitable for structural, high-temperature, or tooling applications. ==Compositions== {| class="wikitable num" !rowspan=2|Name !rowspan=2|Uses !colspan=7|Components<br/> (% by mass, balance is Fe) !colspan=2|Impurity limits !rowspan=2|Character |- !C !Mn !Cr !Ni !W !Co !Si !P !S |- !Low C...")
  • 01:20, 4 December 2024Lime kiln (hist | edit) ‎[274 bytes]Admin (talk | contribs) (Created page with "A kiln for applying heat to limestone or other calcium carbonate sources such as seashells to chemically convert the calcium carbonate in those sources to calcium oxide. Like a charcoal kiln a lime kiln can be a pure kiln or a damped pyre. Category:Kiln")
  • 21:38, 3 December 2024Coal (hist | edit) ‎[2,527 bytes]Admin (talk | contribs) (Created page with "Coal is a mineral, a compected and fossilized form of peat. It is an important source of carbon compounds, containing more per unit weight or volume than dry wood, and containing more recoverable hydrocarbon and aromatic materials. It has the same relationship to '''coke''' that wood has to charcoal. ==Uses== ===Primary=== * As a solid fuel * Feedstock for producer gas * Feedstock for coke, hydrocarbons, and aromatic carbon compounds ===Secondary=== * Feedsto...")
(newest | oldest) View ( | ) (20 | 50 | 100 | 250 | 500)