Skip to main content

Ethylene oxide

ADVERTISEMENT
Identification
Molecular formula
C2H4O
CAS number
75-21-8
IUPAC name
oxirane
State
State
At room temperature, ethylene oxide is a gas, but it can be liquefied under pressure. It is often handled in liquid form for industrial purposes.
Melting point (Celsius)
-111.30
Melting point (Kelvin)
161.80
Boiling point (Celsius)
10.70
Boiling point (Kelvin)
283.90
General information
Molecular weight
44.05g/mol
Molar mass
44.0530g/mol
Density
0.8820g/cm3
Appearence

Ethylene oxide is a colorless gas at room temperature and has a faintly sweet odor. It is highly flammable and highly reactive due to its strained ring structure.

Comment on solubility

Solubility of Oxirane

Oxirane, commonly known as ethylene oxide, exhibits unique solubility characteristics that are pivotal for its applications in various fields. Here’s a closer look at its solubility:

  • Solvent Compatibility: Oxirane is highly soluble in a variety of organic solvents, including:
    • Alcohols
    • Ethers
    • Aromatics
  • Water Solubility: it has moderate solubility in water, approximately 0.8 g/100 mL at 20°C, which allows for some interesting reactions in aqueous environments.
  • Temperature Effects: The solubility of oxirane in aqueous solutions tends to increase with rising temperature, making it more reactive under certain conditions.

It’s fascinating to note that such solubility properties significantly influence its reactivity, especially in the production of glycols and other intermediates in chemical manufacturing. Thus, understanding its solubility can be crucial for optimizing reactions and processes involving oxirane.

Interesting facts

Interesting Facts about Oxirane

Oxirane, commonly known as ethylene oxide, is a fascinating compound with a range of significant applications in both industrial and scientific fields. Here are some interesting aspects of this remarkable compound:

  • Unique Structure: Oxirane is characterized by its three-membered ring structure, which makes it a cyclic ether. This unique geometry contributes to its reactivity and makes it an important precursor in organic synthesis.
  • Versatile Applications: It serves primarily as an intermediate in the production of antifreeze, detergents, and surfactants. Additionally, oxirane is a precursor for the synthesis of various chemical compounds such as glycols and polyether polyols.
  • Use as a Sterilizing Agent: Oxirane has potent antimicrobial properties, which makes it valuable in the sterilization of medical equipment and the preservation of food products.
  • Environmental and Safety Considerations: Due to its reactivity and potential toxicity, handling oxirane requires strict safety protocols. Understanding its impact on both human health and the environment is a vital aspect of research and regulation.
  • Industrial Significance: Oxirane production is a major industrial process, with significant quantities being used yearly. It is important to explore more efficient and eco-friendly production methods to minimize environmental impact.

In summary, oxirane is an important compound with diverse applications and intriguing properties. As we continue to study and develop safer handling methods and greener production processes, oxirane remains a key focus in both research and industry.

Synonyms
Oxirane
ETHYLENE OXIDE
75-21-8
Epoxyethane
1,2-Epoxyethane
Oxacyclopropane
Dihydrooxirene
Oxidoethane
Oxyfume
Ethene oxide
Dimethylene oxide
Amprolene
Anprolene
Anproline
Aethylenoxid
1,2-Epoxyaethan
Merpol
Oxiran
Oxyfume 12
T-Gas
Oxirene, Dihydro-
Ethyleenoxide
Oxiraan
Ethox
Etylenu tlenek
FEMA No. 2433
oxyde d'ethylene
Rcra waste number U115
Caswell No. 443
Qazi-ketcham
ETO
NCI-C50088
Etilene (ossido di)
alpha,beta-Oxidoethane
CCRIS 297
Ethylene (oxyde d')
ENT-26263
ethyleneoxy
HSDB 170
UN 1040
CHEBI:27561
Oxiranyl radical
UNII-JJH7GNN18P
JJH7GNN18P
EINECS 200-849-9
EPA Pesticide Chemical Code 042301
E.O.
AI3-26263
CIBA-GEIGY 9138
DTXSID0020600
EC 200-849-9
epoxide or oxirane
Sterilizing gas ethylene oxide 100%
Oxirane; Ethylene oxide
Oxiraan [Dutch]
ETHYLENE OXIDE (IARC)
ETHYLENE OXIDE [IARC]
ETHYLENE OXIDE (MART.)
ETHYLENE OXIDE [MART.]
Aethylenoxid [German]
Ethyleenoxide [Dutch]
ethyleneoxide
ethylenoxide
Etylenu tlenek [Polish]
Oxide, Ethylene
1,2-Epoxyaethan [German]
1,2-Epoxy ethane
Ethylene (oxyde d') [French]
Ethylene Oxide 1000 microg/mL in Triacetin
Etilene (ossido di) [Italian]
UN1040
RCRA waste no. U115
monooxirane
Oxiranyl
ethylene-oxide
epoxy ethane
Caswell no 443
MFCD00014482
Fema no 2433
Epitope ID:116215
.alpha.,.beta.-Oxidoethane
ETHYLENE OXIDE [MI]
DTXCID60600
ETHYLENE OXIDE [FHFI]
ETHYLENE OXIDE [HSDB]
Ethylene oxide, >=99.5%
Ethylene oxide, >=99.9%
ALPHA, BETA-OXIDOETHANE
CHEMBL1743219
ETHYLENE OXIDE [WHO-DD]
DTXSID30185475
Ethylene oxide, purum, >=99.8%
c0527
AKOS009031564
MSK10755-1000T
USEPA/OPP Pesticide Code: 042301
FE167236
E0647
E0689
E0690
E0692
E0693
InChI=1/C2H4O/c1-2-3-1/h1-2H
NS00005032
C06548
D03474
Ethylene oxide Solution in Toluene, 1000ug/mL
Q407473
Ethylene oxide 50000 microg/mL in Dichloromethane
Ethylene oxide 10000 microg/mL in Dimethylsulfoxide
200-849-9
E O
Ethylene oxide, or ethlene oxide with nitrogen up to a total pressure of 1Mpa (10 bar) at 50 degrees C
Ethylene oxide, or ethlene oxide with nitrogen up to a total pressure of 1Mpa (10 bar) at 50 degrees C [UN1040] [Poison gas]