Phosgene
[CAS# 75-44-5]

Identification

• Classification: Pharmaceutical intermediate >> Heterocyclic compound intermediate >> Pyridine compound >> Hydroxypyridine
• Name: Phosgene
• Synonyms: CG; Carbon dichloride oxide; Carbon oxychloride; Carbonyl chloride; Carbonyl dichloride; Chloroformyl chloride; Dichloroformaldehyde
• Molecular Formula: CCl₂O
• Molecular Weight: 98.92
• CAS Registry Number: 75-44-5
• EC Number: 200-870-3

Properties

• Solubility: Soluble (98 g/L) (25 ºC), Calc.^*
• Density: 3.367 g/cm^3**
• Melting point: 740 ºC^***
• Boiling point: 1053 ºC^****
• Refractive index: 1.3561^*****
• Flash point: -29.6±19.3 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

^** Biltz, W.; Zeitschrift fuer Anorganische und Allgemeine Chemie 1923, V127, P34-42.

^*** Schafer, Harald; Zeitschrift fuer Anorganische und Allgemeine Chemie 1952, V268, P25-34.

^**** Schafer, Harald; Zeitschrift fuer Anorganische und Allgemeine Chemie 1955, V278, P300-9.

^***** "Hazardous Substances Data Bank" data were obtained from the National Library of Medicine (US)

Safety Data

• Hazard Symbols: GHS04;GHS06;GHS05 Danger
• Hazard Statements: H330-H314

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin corrosion	Skin Corr.	1B	H314
Acute toxicity	Acute Tox.	2	H330
Acute toxicity	Acute Tox.	1	H330
Gases under pressure (liquid)	Press. Gas (Liq.)		H280
Gases under pressure (compressed)	Press. Gas (Comp.)		H280
Serious eye damage	Eye Dam.	1	H318
Specific target organ toxicity - single exposure	STOT SE	1	H370
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Reproductive toxicity	Repr.	1A	H360
Specific target organ toxicity - repeated exposure	STOT RE	2	H373