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Diphosgene

Diphosgene / CAS : 503-38-8

Appearance Colorless liquid. Irritating. Asphyxiating. Soluble in ethanol, ether and benzene. UN 3277
HS 29159000 DG Class 6.1
Synonyms Carbonochloridicacid,Trichloromethylester; Disphosgene; Trichloromethylchloroformate=Diphosgene; (Trichloromethoxy)Formic Acid Chloride; Chloridocarbonic Acid Trichloromethyl Ester; Trichlormethylchlorformiat; Trichloromethyl Chloroformate; Perstoff; Difosgen; Carbonochloridic acid, Trichloromethyl Ester; Trichloromethyl Carbonochloridate; Perchloromethylformate; Chloroformic acid Trichloromethyl Ester; Diphosgen; Trichloro-Methanochloroformate; Trichloromethyl Chloroformiate
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Properties

Summary

Formula
C2Cl4O2
Molecular Mass
197.83
Exact Mass
195.86500
PSA
26.30000
Logp
2.68950
IUPAC
trichloromethyl carbonochloridate
SMILES
C(=O)(OC(Cl)(Cl)Cl)Cl

Attribute classification

Matter Classification
organic
Category
API & Intermediate > Pharmaceutical Intermediates
Agrochemicals > Pesticide Intermediates
Dyestuffs and Pigments > Intermediates

Chemical and Physical Properties

Melting Point
-57 °C
Density
1.64
Boiling Point
20 °C10 mm Hg(lit.)
Flash Point
>110°C
Appearance
Colorless liquid. Irritating. Asphyxiating. Soluble in ethanol, ether and benzene.

Export information

HS Code
29159000
Export Rebate
13%
UN No.
3277
DG-Class
6.1
Risk Code
26/28-34-26/27/28-36/37/38
Safety Label
T+,Xi

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