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2-Mercaptobenzimidazole

2-Mercaptobenzimidazole / CAS : 583-39-1

Appearance Yellow or white crystals UN 2811 6.1/PG 3
HS 29339900 DG Class 6.1
Synonyms Antioxidant Mb; Mbi; 1H-Benzo[D]Imidazole-2-Thiol; Benzimidazole-2-Thiol; 1H-Benzimidazol-2-Yl Hydrosulfide; 2-Mercapto Benzimidazole
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Properties

Summary

Formula
C7H6N2S
Molecular Mass
150.20100
Exact Mass
150.02500
PSA
67.48000
Logp
1.85160
IUPAC
1,3-dihydrobenzimidazole-2-thione
SMILES
C1=CC=C2C(=C1)NC(=S)N2

Attribute classification

Matter Classification
organic
Category
API & Intermediate > Other Chemical Drugs
Auxiliary > Plastic Rubber Chemicals

Chemical and Physical Properties

Melting Point
300-304 °C(lit.)
Density
1.42
Boiling Point
270.6ºC at 760mmHg
Flash Point
>250°C
Appearance
Yellow or white crystals

Export information

HS Code
29339900
Export Rebate
13%
UN No.
2811 6.1/PG 3
DG-Class
6.1
Risk Code
R20/21/22-36/37/38-22
Safety Label
Xn

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