PHOSGENE - (75-44-5)

Introduction

Name: phosgene; carbonyl dichloride*; CG; carbon dichloride oxide; carbon oxychloride; Chloroformyl chloride; dichloroformaldehyde; dichloromethanone
* IUPAC
CAS Number: 75-44-5
Chemical Formula: COCl2
Molar Mass: 98.9161 g
State of Matter: colorless gas
Mass Percent: C 12.142 %; O 16.174 %; Cl 71.682 % 
Isomers:  cobalt(II) chloride

Classification

• inorganic

Physical Properties


Boiling Point:*
8°C 1 = 281.15 K = 46.4°F

* - 1 atm pressure

Bonding

Thermochemistry

ΔHf° (s): -74.7 kcal/mol 2 = -312.54 kJ/mol
ΔHf° (g): -52.80 kcal/mol 2 = -220.92 kJ/mol
S° (s): 26.09 cal/(mol•K) 3 = 109.16 J/(mol•K)
S° (g): 67.82 cal/(mol•K) 3 = 283.76 J/(mol•K)
ΔGf° (s): -64.5 kcal/mol 4 = -269.87 kJ/mol
ΔGf° (g): -49.42 kcal/mol 4 = -206.77 kJ/mol

Reactions

For More Information

Sources

(1) - Lide, David R. CRC Handbook of Chemistry and Physics, 84th ed.; CRC Press: Boca Raton, FL, 2003; p 4-50.
(2) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(3) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(4) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.