CO
28.01 g/mol
Industrial ChemicalDanger
Carbon monoxide
CAS630-08-0EC211-128-3
Category
Industrial Chemical
Compound Class
Other
Primary Use
fuel gas and chemical intermediate
Carbon monoxide is a colorless, odorless gas produced by the incomplete combustion of carbon-containing materials. It is widely used as a fuel gas and a chemical intermediate in industrial processes.
fuel gaschemical intermediate in industrial synthesisemission from internal combustion engines
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 630-08-0
Related Compounds
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research compound
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research compound
ReferenceSame Category
1,1,1,2-tetrachloroethane
CAS630-20-6
Solvent and chemical intermediate
ReferenceSame Category
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chemical building block
ReferenceSame Category
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chemical reagent for organic synthesis
Safety Reference
Danger
H220Extremely flammable gas
H331Toxic if inhaled
H372Causes damage to organs through prolonged or repeated exposure
H221Flammable gas
H280Contains gas under pressure; may explode if heated
H360May damage fertility or the unborn child
H370Causes damage to organs
H373May cause damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for Carbon monoxide (CAS 630-08-0) is 2811.29.
HS code (international, 6-digit)
2811.29
EU CN code (8-digit)
2811 29 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
carbon monoxide
InChIKey
UGFAIRIUMAVXCW-UHFFFAOYSA-N
SMILES
[C-]#[O+]
Synonyms (35)
- Carbon monoxide (USAN)
- CARBON MONOXIDE (13C; 18O)
- CARBON MONOXIDE [MART.]
- Carbon monoxide, compressed
- Carbon oxide (CO)
- Carbone (oxyde de)
- Carbone (oxyde de) [French]
- Carboneum oxygenisatum
- Carbonic oxide
- Carbonio (ossido di)
- Exhaust gas
- Flue gas
- Kohlenmonoxid
- Kohlenmonoxid [German]
- Kohlenoxyd
- Kohlenoxyd [German]
- Koolmonoxyde
- Koolmonoxyde [Dutch]
- Monoxide, Carbon
- Oxyde de carbone
- Oxyde de carbone [French]
- Wegla tlenek
- Wegla tlenek [Polish]
- [CO]
- carbon monooxide
- carbon monoxide
- carbon(II) oxide
- monoxide