4-Aminobenzoic acid

About 4-Aminobenzoic acid

LC344 4-Aminobenzoic acid suitable for use as excipient exp USP Order number Packaging Quantity Price AC27344 Plastic bottle 1 kg Inquire AC27344 Double PE Sack 20 kg Inquire Product information Grade USP Synonyms PABA Hill Formula C7H7NO2 Chemical formula NH2C6H4COOH HS Code 2922 49 85 EC number 205-753-0 Molar mass 137.13 g/mol CAS number 150-13-0 Chemical and physical data Solubility 4.7g/l (20C) Melting point 186-189C Molar mass 137.13g/mol Density 1.38g/cm3 Bulk density 200kg/m3 pH value 3.5 (5g/l, H2O, 20C) Safety information according to GHS Precautionary Statement(s) P260: Do not breathe dust. Storage class 10 - 13 Other liquids and solids WGK WGK 1 slightly water endangering Disposal 3Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. Safety information S Phrase S 22Do not breathe dust. Toxicological data LD 50 oral LD50 rat 6000 mg/kg Specifications Assay(acidimetric; calculated on dried substance) 98.5 - 101.5% Melting range - lower value 186C - upper value 189C Heavy metals(as Pb) 0.002% Volatile diazotizable substances(as p-toluidine) 0.002% Ordinary impurities(TLC) passes test Sulfated ash 0.1% Loss on drying(105C) 0.2% Conforms USP