PTA/ Purified Terephthalic Acid

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 acid ITEM SPECIFICATION UNIT RESULT Content ≥ 99 % 99.9 Appearance white  powder   white  powder PHBA ≤ 28 mg/kg 10 DMF  chroma ≤ 10   8 PMBAH ≤ 160 mg/kg 125 MOISTURE ≤ 0.2 % 0.11 ASH  CONTENT 0.73-0.77 mgKOH/kg                       0.76.1 Fe ≤ 1 mg/kg 0.2 Heavy  mental ≤ 5 mg/kg 1.4 Conclusion:   Qualified