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Key Documents

743593

Sigma-Aldrich

Ethylene oxide

≥99.9%

Synonym(s):

Oxirane

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About This Item

Empirical Formula (Hill Notation):
C2H4O
CAS Number:
Molecular Weight:
44.05
Beilstein:
102378
EC Number:
MDL number:
UNSPSC Code:
12142100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥99.9%

form

gas

refractive index

n20/D 1.3597 (lit.)

bp

10.7 °C (lit.)

mp

−111 °C (lit.)

density

0.882 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

C1CO1

InChI

1S/C2H4O/c1-2-3-1/h1-2H2

InChI key

IAYPIBMASNFSPL-UHFFFAOYSA-N

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Packaging

500ml high pressure aluminum cylinder equipped with a stainless steel valve according to DIN 477-1.

Other Notes

For 743593-390G-EU packaging: 500 mL of aluminium cylinder equipped with brass valve.

Recommended products

For 743593-390G-EU: outlet fitting: DIN 477-1 no. 1, Z742160 or Z742161 are the recommended regulators.

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Carc. 1B - Chem. Unst. Gas A - Eye Dam. 1 - Flam. Gas 1A - Muta. 1B - Press. Gas Liquefied gas - Repr. 1B - Skin Corr. 1B - STOT RE 1 - STOT SE 3

Target Organs

Central nervous system, Nervous system, Respiratory system

Storage Class Code

2A - Gases

WGK

WGK 3

Flash Point(F)

-4.0 °F - closed cup

Flash Point(C)

-20.0 °C - closed cup


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