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4-Hydroxybenzoic Acid

4-Hydroxybenzoic Acid / CAS : 99-96-7

Appearance Colorless to white prismatic crystal UN 0
HS 29182900 DG Class 0
Synonyms Benzoic acid,4-Hydroxy-; para-Hydroxybenzoic acid; Acetylsalicylic Acid Impurity A (Aspirin Impurity A); Benzoic acid,p-Hydroxy-; 4-Carboxyphenol; Parahydroxy Benzoic Acid; p-Salicylic acid; 4-Hydroxy-Benzoic acid; papa-Hydroxy-Benzoic acid; p-Hydroxybenzoic acid; p-Carboxyphenol; Benzoic acid, 4-Hydroxy-; 4-Hydroxy Benzoic acid; PHBA; Para Hydroxy Benzoic acid
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Properties

Summary

Formula
C7H6O3
Molecular Mass
138.12100
Exact Mass
138.03200
PSA
57.53000
Logp
1.09040
IUPAC
4-hydroxybenzoic acid
SMILES
C1=CC(=CC=C1C(=O)O)O

Attribute classification

Matter Classification
organic
Category
API & Intermediate > Pharmaceutical Intermediates
Plant and Other Extracts > Plant Extracts
Agrochemicals > Pesticide Intermediates

Chemical and Physical Properties

Melting Point
213-217 °C
Density
1,46 g/cm3
Flash Point
199 °C
Appearance
Colorless to white prismatic crystal
Acidity and Basicity
acidness

Export information

HS Code
29182900
Export Rebate
13%
UN No.
0
DG-Class
0
Risk Code
R36-36/37/38
Safety Label
Xi

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