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602868

Sigma-Aldrich

Oxygen-18O2

50 atom % 18O (random)

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About This Item

Linear Formula:
18O2
CAS Number:
Molecular Weight:
36.00
MDL number:
UNSPSC Code:
12142200
PubChem Substance ID:

vapor density

1.11 (vs air)

isotopic purity

50 atom % 18O (random)

form

gas

bp

−183 °C (lit.)

mp

−218 °C (lit.)

mass shift

M+4

SMILES string

[18O]=[18O]

InChI

1S/O2/c1-2/i1+2,2+2

InChI key

MYMOFIZGZYHOMD-XPULMUKRSA-N

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Packaging

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.

Pictograms

Flame over circleGas cylinder

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Ox. Gas 1 - Press. Gas Compr. Gas

Storage Class Code

2A - Gases

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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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Sui So et al.
Physical chemistry chemical physics : PCCP, 16(45), 24954-24964 (2014-10-18)
β-Hydroxyperoxyl radicals are formed during atmospheric oxidation of unsaturated volatile organic compounds such as isoprene. They are intermediates in the combustion of alcohols. In these environments the unimolecular isomerization and decomposition of β-hydroxyperoxyl radicals may be of importance, either through

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