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LC403 4-Amino-2-hydroxybenzoic acid
for biochemistry


Order number Packaging Quantity Price €
AC27403 Plastic bottle 50 g 13.95
AC27403 Plastic bottle 250 g 53.1


Product information
Synonyms 4-Aminosalicylic acid, PAS
Hill Formula C7H7NO3
Chemical formula 4-(NH2)-2-(OH)C6H3COOH
HS Code 2922 50 00
EC number 200-613-5
Molar mass 153.13 g/mol
CAS number 65-49-6


Chemical and physical data
Solubility 2 g/l (20 °C)
Melting point 150 °C
Molar mass 153.13 g/mol
pH value 3.5 (1 g/l, H2O, 20 °C)


Safety information
Storage class

10 – 13 Other liquids and solids


WGK 2 water endangering


Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.


Toxicological data
LD 50 oral

LD50 rat 4000 mg/kg


Assay (acidimetric) ≥ 98 %
Identity (IR) passes test