Terephthalic acid 1. CAS: 100-21-0 2. Purity: 99.9% min CAS: 100-21-0 EINECS: 202-830-0 MF: C20H28O6 MW: 364.4327 InChI: DENSITY1.415g/cm3 MP: 300° C BP: 572° C at 760 mmHg FP: 313.8° C Vapor pressure1.83E-15mmHg at 25° C Properties Characters white needle crystal or powder. Relative density: 1.510g/cm3 Solubility soluble in alkali solution, slightly soluble in hot ethanol, insoluble in water, ether, acetic acid and chloroform. Uses: The manufacture of polyester resins, films, fibers, insulating paint and other important raw materials and engineering plastics PTA--purified terephthalic acidITEMSPECIFICATIONUNITRESULTContent⥠99%99.9Appearancewhite powder white powderPHBA⤠28mg/kg10DMF chroma⤠10 8PMBAH⤠160mg/kg125MOISTURE⤠0.2%0.11ASH CONTENT0.73-0.77mgKOH/kg           0.76.1Fe⤠1mg/kg0.2Heavy mental⤠5mg/kg1.4Conclusion:  Qualified
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