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O-Toluenesulfonyl Chloride

O-Toluenesulfonyl Chloride / CAS : 133-59-5

Appearance Oily liquid. Soluble in hot alcohol, ether and benzene, insoluble in water. UN 3265
HS 29049900 DG Class 8
Synonyms Benzenesulfonyl Chloride,2-Methyl; o-Methylbenzenesulfonyl Chloride; 2-Methyl-Benzenesulfonyl Chloride; Toluenesulfonyl Chloride; 2-Methylbenzene-1-Sulfonyl Chloride; Benzenesulfonyl Chloride, 2-Methyl-; 2-Toluenesulfonyl Chloride; Toluene-2-Sulfonyl Chloride; 2-Methylbenzenesulphonyl Chloride; 2-Methylphenylsulfonyl Chloride; Ortho-Toluenesulfonylchloride; O-Toluenesulfochloride; O-Tolylsulfonylchloride; O-Tosyl Chloride; O-Tosylchloride; Toluene-2-Sulphonylchloride; Ortho-Toluenesulfonchloride; Paroxetine Impurity 30
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Properties

Summary

Formula
C7H7ClO2S
Molecular Mass
190.64700
Exact Mass
189.98600
PSA
42.52000
Logp
3.00330
IUPAC
2-methylbenzenesulfonyl chloride
SMILES
CC1=CC=CC=C1S(=O)(=O)Cl

Attribute classification

Matter Classification
organic
Category
Organic Chemical Materials > Halides

Chemical and Physical Properties

Melting Point
10°C
Density
1.320 g/mL at 25 °C(lit.)
Boiling Point
254 °C(lit.)
Flash Point
>230 °F
Appearance
Oily liquid. Soluble in hot alcohol, ether and benzene, insoluble in water.

Export information

HS Code
29049900
Export Rebate
13%
UN No.
3265
DG-Class
8
Risk Code
34
Safety Label
C,Xi

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