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4-Mercaptophenol

4-Mercaptophenol / CAS : 637-89-8

Appearance White solid or colorless liquid with a foul odor UN 2811
HS 2930909099 DG Class 0
Synonyms 4-Hydroxythiophenol; 4-Sulfanylphenol; 4-Hydroxybenzenethiol; Phenol, 4-Mercapto-; p-Mercaptophenol; p-Hydroxythiophenol; Thiohydroquinone; Monothiohydroquinone; Phenol, p-Mercapto-; Hydroquinone, Monothio-; p-Hydroxybenzenethiol; 4-Mercapto-Phenol; para-Hydroxy Thiophenol
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Properties

Summary

Formula
C6H6OS
Molecular Mass
126.17600
Exact Mass
126.01400
PSA
59.03000
Logp
1.68090
IUPAC
4-sulfanylphenol
SMILES
C1=CC(=CC=C1O)S

Attribute classification

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

Chemical and Physical Properties

Melting Point
33-35 °C(lit.)
Density
1.255 g/cm3
Boiling Point
149-150 °C25 mm Hg(lit.)
Flash Point
>230 °F
Appearance
White solid or colorless liquid with a foul odor

Export information

HS Code
2930909099
Export Rebate
13%
UN No.
2811
DG-Class
0
Risk Code
R36/37/3
Safety Label
Xi,C,Xn

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