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Diphosgene Structure

Diphosgene

Chemical Properties

Melting point -57 °C
Boiling point 20 °C10 mm Hg(lit.)
Density  1.64
refractive index  n20/D 1.458
Flash point >110°C
storage temp.  2-8°C
solubility  Chloroform (Soluble), Ethyl Acetate (Sparingly)
form  Liquid
color  Clear colorless
Water Solubility  may decompose
Sensitive  Moisture Sensitive
Merck  14,3334
BRN  970225
Stability Hygroscopic, Moisture Sensitive
CAS DataBase Reference 503-38-8(CAS DataBase Reference)
NIST Chemistry Reference Trichloromethyl chloroformate(503-38-8)
EPA Substance Registry System Carbonochloridic acid, trichloromethyl ester (503-38-8)

Safety Information

Hazard Codes  T+,Xi
Risk Statements  26/28-34-26/27/28-36/37/38
Safety Statements  26-28-36/37/39-45-28A-36
RIDADR  UN 3277 6.1/PG 2
WGK Germany  3
RTECS  LQ7350000
8-10-19
TSCA  Yes
HazardClass  6.1
PackingGroup  II
HS Code  29159000
Hazardous Substances Data 503-38-8(Hazardous Substances Data)
Toxicity LC100 in rabbits (10-20 minutes exposure to vapor): 0.9 mg/l air (Klika, Mysliveckova)

MSDS

Usage And Synthesis

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