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Key Documents

607142

Sigma-Aldrich

Carbon-13C monoxide-18O Gas

95 atom % 18O, 99 atom % 13C

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About This Item

Linear Formula:
13C18O
CAS Number:
Molecular Weight:
31.00
MDL number:
UNSPSC Code:
12352119
PubChem Substance ID:
NACRES:
NA.12

isotopic purity

99 atom % 13C
95 atom % 18O

Quality Level

bp

-191.5 °C (lit.)

mp

-205 °C (lit.)

mass shift

M+3

SMILES string

[13C-]#[18O+]

InChI

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

InChI key

UGFAIRIUMAVXCW-RGIGPVFXSA-N

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Packaging

500 mL quantity is packaged in a 450 mL carbon steel lecture bottle with brass CGA 110/180 valve. Nominal gas pressure at 21ºC is 3.6 psig for 500 mL. This pressure 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.

Recommended products

Stainless steel control valves Z146951 or Z187224
PTFE sealing washers GCA inlet size 180 Z146994
PTFE sealing washers CGA inlet size 110 Z146986

signalword

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Flam. Gas 1A - Press. Gas Compr. Gas - Repr. 1A - STOT RE 1 Inhalation

target_organs

Heart

Storage Class

2A - Gases

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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