Ethylene oxide: Difference between revisions
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(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...") |
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* Dechlorinate [[2-chloroethanol]] using an alkalai hydroxide: | * Dechlorinate [[2-chloroethanol]] using an alkalai hydroxide: | ||
*: {{#Chem: HOCH2CH2Cl + NaOH { = warm} C2H4O + NaCl + H2O}} | *: {{#Chem: HOCH2CH2Cl + NaOH { = warm} C2H4O + NaCl + H2O}} | ||
* | * Partially oxidize [[ethylene]] with (limited) air over a silver, copper, iron, or alloy of those at elevated temperatures<ref>{{cite patent|1998878|title=PROCESS FOR THE PRODUCTION OF ETHYLENE OXIDE}}</ref> | ||
*: {{#Chem: 2C2H4 + O2 { Ag/Cu/Fe =150-300°C } 2C2H4O }} | *: {{#Chem: 2C2H4 + O2 { Ag/Cu/Fe =150-300°C } 2C2H4O }} | ||
Latest revision as of 06:32, 13 December 2024
| Chemical formula | C2H4O |
|---|---|
| OTP appearance | colorless gas |
| Molar Mass(g/mol) | 44.05 |
| Density(g/cc) | 0.000882 |
| Melting Point(°C) | -111.3 |
| Boiling Point(°C) | 10.7 |
| Solubility in water(g/L) | misc |
| Immediate Danger to Life and Health | 800ppm |
| NFPA 704 |  4
3
3
|
Uses
Primary
- Industrial chemical
Natural occurrence
- does not occur naturally
Hazards
- Extremely flammable
Production
Synthesis
- Dechlorinate 2-chloroethanol using an alkalai hydroxide:
- HOCH2CH2Cl + NaOH{C2H4O + NaCl + H2Owarm}→
- HOCH2CH2Cl + NaOH
- Partially oxidize ethylene with (limited) air over a silver, copper, iron, or alloy of those at elevated temperatures[1]
- 2 C2H4 + O2{Ag/Cu/Fe2 C2H4O150-300°C}→
- 2 C2H4 + O2
Purification
Storage
Disposal
See Also
References
- ↑ US patent 1998878 "PROCESS FOR THE PRODUCTION OF ETHYLENE OXIDE"
Link courtesy Google