Carbon-12C monoxide

99.95 atom % 12C

Linear Formula:
CAS Number:
Molecular Weight:
EC Number:
MDL number:
PubChem Substance ID:
Pricing and availability is not currently available.

Quality Level



isotopic purity

99.95 atom % 12C


99% (CP)


-191.5 °C (lit.)


-205 °C (lit.)

mass shift


SMILES string




InChI key


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10, 25 L in steel cylinder
Standard products are packaged in a 450 mL carbon steel lecture bottle with brass CGA 110/180 valve. Nominal gas pressures at 21ºC are 320 psig for 10 L and 850 psig for 25 L. Care must be taken when extracting this product from the cylinder.
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

Stainless steel control valves Z146951, Z187224 or either of stainless steel regulators Z148504 and Z148512 is recommended.
PTFE sealing washers GCA inlet size 180 Z146994
PTFE sealing washers CGA inlet size 110 Z146986

Signal Word


Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Hazard Codes


Risk Statement


Safety Statement



UN1016 - class 2 - Carbon monoxide, compressed

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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