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phthalic anhydride



 

NAME: PHTHALIC ANHYDRIDE 
FORMULA: C8H4O3 
CAS: 85-44-9 
HS CODE: 29173500.00 
UN NO.: 2214

GRADE STANDARD: INDUSTRY GRADE 99.5%
PURITY: 99.5%
APPEARANCE: WHITE SLICE OR CRYSTALLIZED POWER
PRDUCT STANDAND: GB/T15336-94
MELTING COLOR(CHROMATICITY)≤
20
HEATING-STABILITY COLOR(CHROMATICITY)≤ 150
CRYSTALLIZING POINT≥
130.5(°c)
FREE ACID CONTENT≤
0.5%
SOLUBLE: SLIGHTLY SOLUBLE IN THE HOT WATER AND THE ETHER, DISSOLVES IN THE THYL ALCOHOL, THE BENZENE AND THE PYRIDINE.
USAGE:

IT IS IMPORTANT ONE OF ORGANIC CHEMICAL MATERIALS, USED IN THE  PRODUCTION OF PLASTICIZERS, ALKYD RESINS, UNSATURATD POLYESTER RESIN , DYES AND PAINS, PHARMACEUTICAL AND AGRICULTURAL CHEMICALS, ETC.


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