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LC405 4-Amino-2-hydroxybenzoic acid sodium salt
for synthesis


Order number Packaging Quantity Price €
AC27405 Plastic bottle 250 g 23.625


Product information
Synonyms 4-Aminosalicylic acid sodium salt, PAS-Na
Hill Formula C7H6NNaO3 * 2H2O
Chemical formula 4-(NH2)-2-(OH)C6H3COONa
HS Code 2922 50 00
EC number 205-091-2
Molar mass 175.12 g/mol
CAS number 6018-19-5


Chemical and physical data
Solubility 956 g/l (20 °C)
Melting point 250 – 254 °C (decomposition)
Molar mass 175.12 g/mol
pH value 6.5 – 8.5 (20 g/l, H2O, 20 °C)


Safety information
R Phrase

R 36/37/38
Irritating to eyes, respiratory system and skin.

Categories of danger


Hazard Symbol


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.



Assay (HClO4) ≥ 98 %
Identity (IR) passes test