Products
Tetrachlorophthalic anhydride
Synonyms: tetrachloro-1,2-benzenedicarboxylic acid anhydride; niagathal; 4,5,6,7-tetrachloro-1,3-isobenzofurandione;
Structural formula:
Molecular weight: 285.9
Index:
Index name |
Index |
Appearance |
white crystal or colorless prism needle-like |
Assay |
≥99% |
Melting point |
254-256℃ |
Boiling point |
371℃ |
Flash point |
362℃ |
Loss on drying |
≤0.5% |
Free chlorine |
≤10ppm |
Fe |
≤10ppm |
Alkali insoluble matter |
≤0.5% |
HCB |
≤0.1% |
Uses: mainly used in intermediate of drug, pesticide , dye, pigment, fire retardant of resin, plastic reinforcing agent
Packing: 25kg/paper-plastic laminated bag; 40kg/paper-plastic laminated bag; 750kg/bulk bag
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