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422851

Sigma-Aldrich

Ethylene-d4

99 atom % D

Synonym(s):

Tetradeuteroethylene

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About This Item

Linear Formula:
CD2=CD2
CAS Number:
683-73-8
Molecular Weight:
32.08
Beilstein:
1733307
EC Number:
211-675-8
MDL number:
MFCD00084144
UNSPSC Code:
12352003
PubChem Substance ID:
24866459
NACRES:
NA.12

vapor density

0.97 (vs air)

Quality Level

200

vapor pressure

35.04 atm ( 20 °C)

isotopic purity

99 atom % D

Assay

98.5% (CP)

autoignition temp.

842 °F

bp

−104 °C (lit.)

mp

−169 °C (lit.)

mass shift

M+4

SMILES string

[2H]\C([2H])=C(/[2H])[2H]

InChI

1S/C2H4/c1-2/h1-2H2/i1D2,2D2

InChI key

VGGSQFUCUMXWEO-LNLMKGTHSA-N

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Packaging

1 L quantity is packaged in a 450 mL carbon steel lecture bottle with brass CGA 110/180 valve. Nominal gas pressure at 21ºC is 19 psig for I L. This pressures is slightly above atmospheric pressure. Care must be taken when extracting this product from the cylinder.
All gas volumes are quoted at Standard Temperature and Pressure (STP) and not at Normal Temperature and Pressure (NTP). One STP Liter is 7.7% more gas than one NTP Liter.
This product may be available from bulk stock and can be packaged on demand. For information on pricing, availability and packaging, please contact Stable Isotopes Customer Service.

Recommended products

Control valve Z146943 (brass, 1/4" hose outlet) or Z187224 (SS, 1/4" compression fitting outlet)
PTFE sealing washers GCA inlet size 180 Z146994
PTFE sealing washers CGA inlet size 110 Z146986

Signal Word

Danger

Hazard Statements

H220,H280,H336

Hazard Classifications

Flam. Gas 1A - 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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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