Chemical Name: 4-Aminobenzoic acid
CAS NO.:150-13-0
Molecular Formula: C7H7NO2
Molecular Weight: 137.14
Appearance: White crystalline powder
Assay: ≥99%.
Specification
Index name Industrial grade Pharma grade
Appearance White crystalline powder White or off-white crystalline powder
Melting point,℃ 186~189 186~189
Loss on drying,% ≤0.5 ≤0.2
Assay,% ≥99.0 98.5~101.5
Volatile diazoizable substances,% / ≤0.002
Residue on ignition,% / ≤0.1
Ordinary impurities,% / ≤1
Heavy metals,% / ≤0.002
Application
PABA is used as Dyes and Pharmaceutical Intermediates. It is used to product red M-80, M-10B, reactive red violet X-2R dye and Prepare the production of drug of cyano acid, namely 4-carboxyl benzylamine. PABA can also be used as a sunscreen Agent.
Packing
25kg/fiber drum
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