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  • 295329
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295329

Sigma-Aldrich

Ethylene

≥99.5%

All Photos(1)
Synonym(s):
Ethene
Linear Formula:
CH2=CH2
CAS Number:
74-85-1
Molecular Weight:
28.05
Beilstein:
1730731
EC Number:
200-815-3
MDL number:
MFCD00008604
PubChem Substance ID:
24857774
NACRES:
NA.22

vapor density

0.97 (vs air)

Quality Level

100

vapor pressure

35.04 atm ( 20 °C)

Assay

≥99.5%

autoignition temp.

842 °F

expl. lim.

36 %

bp

−104 °C (lit.)

mp

−169 °C (lit.)

SMILES string

C=C

InChI

1S/C2H4/c1-2/h1-2H2

InChI key

VGGSQFUCUMXWEO-UHFFFAOYSA-N

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Application

Ethylene is mainly used as a precursor to synthesize polyethylene, ethylbenzene and ethylene dichloride. It is also used in the preparation of single- layer graphene by thermal chemical vapor deposition.

Packaging

Supplied in a carbon steel lecture bottle with a CGA180M/CGA110F needle valve installed.

Compatible with the following:
  • Aldrich® lecture-bottle station systems
  • Aldrich® lecture-bottle gas regulators

Other Notes

See Technical Information Bulletin AL-151 Gas Regulators: Selection, Installation, and Operation

Legal Information

Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

Signal Word

Danger

Hazard Statements

H220 - H280 - H336

Hazard Classifications

Flam. Gas 1 - Press. Gas Liquefied gas - STOT SE 3

Target Organs

Central nervous system

Storage Class Code

2A - Gases

WGK

nwg

Flash Point(F)

-148.0 °F - closed cup

Flash Point(C)

-100 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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