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P-Toluenesulfonic Acid

P-Toluenesulfonic Acid / CAS : 104-15-4

Appearance Colorless monoclinic flake or columnar crystal UN 2585
HS 29041000 DG Class 8
Synonyms Benzenesulfonic Acid, 4-Methyl-; 4-Methylbenzenesulfonic Acid; Paratoluene Sulphonic Acid; Para Toluene Sulfonic Acid; P-Tolylsulfonicacid; Toluene-4-Sulphonic; Toluene-P-Sulfonate; Toluenesulfonicacid; Paratoluenesulfonic Acid; PTSA
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Properties

Summary

Formula
C7H8O3S
Molecular Mass
172.20200
Exact Mass
172.01900
PSA
62.75000
Logp
2.32250
IUPAC
4-methylbenzenesulfonic acid
SMILES
CC1=CC=C(C=C1)S(=O)(=O)O

Attribute classification

Matter Classification
organic
Category
Coating(Resin) > Auxiliary
Agrochemicals > Pesticide Intermediates
Surfactants, Catalysts > Acid Base Catalyst

Chemical and Physical Properties

Melting Point
106~107℃
Density
1.07
Boiling Point
116 °C
Flash Point
41 °C
Appearance
Colorless monoclinic flake or columnar crystal

Export information

HS Code
29041000
Export Rebate
13%
UN No.
2585
DG-Class
8
Risk Code
R10; R34
Safety Label
C

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