bis(trichloromethyl) carbonate

CAS No. 32315-10-9

Formula: C3Cl6O3
Basic Info

Triphosgene (bis(trichloromethyl) carbonate (BTC), C3Cl6O3) is a chemical compound that is used as a safer substitute for phosgene, because at room temperature it is a solid crystal, as opposed to phosgene which is a gas. Triphosgene crystals decompose above 200°C

Formula
C3Cl6O3
Molecular Weight
296.748
Exact Mass
293.798
LogP
3.795
PSA
35.53
Synonyms

tri-Phosgene

Methanol, trichloro-, carbonate (2:1)

Bis(trichloromethyl) Carbonate

Triphosgene

trichloromethyl carbonate

ditrichloromethyl carbonate

bistrichloromethyl carbonate

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Properties
Appearance & Physical State
clear liquid
Density
1.78
Boiling Point
203-206ºC
Melting Point
77-81ºC
Flash Point
203-206ºC
Water Solubility
practically insoluble
Stability
Stable under normal temperatures and pressures. May decompose on exposure to moist air or water.
Storage Condition
2-8ºC
Safety Info
Safety Statements
S26-S36/37/39-S45-S9
WGK Germany
2
Risk Statements
R26; R29; R34
HS Code
29209010
RIDADR
UN 2928
Hazard Class
6.1
Packing Group
II
Caution Statement
P260; P280; P284; P305 + P351 + P338; P310
Hazard Codes
Hazard Declaration
Spectrum
NMR Spectrum 13C NMR : Predict
expand collapse
Synthesis Route
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