We are leading manufacturer of aspirin in China, 5000mt/year. Aspirin: Systematic (IUPAC) name:2-(acetyloxy)benzoic acid Identifiers :CAS number 50-78-2 Chemical data Formula C9H8O4 C6H4(OCOCH3)COOH Mol. weight 180.16 g/mol Synonyms 2-acetyloxybenzoic acid 2-acetoxybenzoic acid acetylsalicylate acetylsalicylic acid O-acetylsalicylic acid Physical data Density 1.40 g/cm? Melt. point 136 °C (277 °F) Boiling point 140 °C (284 °F) Solubility in water 4.6 mg/mL (20 °C)