602922

Sigma-Aldrich

Oxygen-18O2

25 atom % 18O (random)

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

Note: This product can be packaged on demand. For information on pricing, availability and packaging of custom sizes, please contact Stable Isotopes Customer Service

vapor density

1.11 (vs air)

isotopic purity

25 atom % 18O (random)

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.

Certificate of Analysis

Certificate of Origin

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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