CCl2O
98.91 g/mol
Industrial ChemicalDanger
Carbonyl dichloride
CAS75-44-5EC200-870-3
Category
Industrial Chemical
Compound Class
Halocarbon
Primary Use
Intermediate for isocyanates and organic chemicals
Carbonyl dichloride is a highly reactive chemical compound primarily used as an intermediate in the production of isocyanates and other organic chemicals. It is also formed through the thermal or photodecomposition of chlorinated hydrocarbons, such as during welding or firefighting, and poses significant toxicity risks.
Intermediate for isocyanatesIntermediate for organic chemicals synthesisByproduct from thermal or photodecomposition of chlorinated hydrocarbons
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.
Controlled substances
Substances on this list are tightly controlled under chemical-weapons or precursor regulations. ChemAbout does not facilitate their procurement; this page is a compliance reference only.
Relevant lists:CWC Schedule 3
CAS 75-44-5
Related Compounds
ReferenceSame Category
Fluoroform
CAS75-46-7
Refrigerant and fire extinguishing agent
ReferenceSame Category
Trimethylamine
CAS75-50-3
organic synthesis and industrial intermediate
ReferenceSame Category
Nitromethane
CAS75-52-5
solvent and chemical intermediate
ReferenceSame Category
Propylenimine
CAS75-55-8
chemical intermediate in rubber and pharmaceuticals
Safety Reference
Danger
H314Causes severe skin burns and eye damage
H330Fatal if inhaled
H280Contains gas under pressure; may explode if heated
H318Causes serious eye damage
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H315Causes skin irritation
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for Carbonyl dichloride (CAS 75-44-5) is 2812.11.
HS code (international, 6-digit)
2812.11
EU CN code (8-digit)
2812 11 00
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
carbonyl dichloride
InChIKey
YGYAWVDWMABLBF-UHFFFAOYSA-N
SMILES
C(=O)(Cl)Cl
Synonyms (33)
- C O Cl2
- Carbon dichloride oxide
- Carbon oxychloride
- Carbone (oxychlorure de)
- Carbonic acid dichloride
- Carbonic chloride
- Carbonic dichloride
- Carbonio (ossicloruro di)
- Carbonyl chloride
- Carbonyl dichloride
- Carbonylchlorid
- Carbonylchlorid [German]
- Chloroformyl chloride
- Combat gas
- Dichloroformaldehyde
- Fosgeen
- Fosgeen [Dutch]
- Fosgen
- Fosgen [Polish]
- Fosgene
- Fosgene [Italian]
- Koolstofoxychloride
- Koolstofoxychloride [Dutch]
- PHOSGENE [MART.]
- Phosgen
- Phosgen [German]
- Phosgene, 20% in toluene
- carbonyl dichloride;phosgene
- chloroketone
- dichloroketone