Product Name: Phthalic anhydride
CAS:85-44-9
Molecular Formula: C8H4O3
Assay:99.0% min
Appearace:White powder
Main Characteristic :
1.Phthalic anhydride is the organic compound with the formula C6H4(CO)2O. It is the anhydride of phthalic acid. Phthalic anhydride is a principal commercial form of phthalic acid.
2. It was the first anhydride of a dicarboxylic acid to be used commercially.
3.This colourless solid is an important industrial chemical, especially for the large-scale production of plasticizers for plastics.
Technical Paramater ：
Item | Index | ||
Top grade | First grade | Qualified product | |
Appearance | white scaly or crystalline powder | white scaly or crystalline powder with slight colors | |
molten Chroma(Chroma no. )≤ | 20 | 50 | 100 |
thermostable Chroma(Chroma no. )≤ | 50 | 150 | - |
Chroma of vitriol(Chroma no. )≤ | 60 | 100 | 150 |
crystallization point°C≥ | 130.5 | 130.3 | 130.0 |
Purity(mass fraction)%≥ | 99.80 | 99.50 | 99.00 |
Free acid(mass fraction)≤ % | 0.20 | 0.30 | 0.50 |
Production Workshop :
Our factory have 3 ISO certification production site, meanwhile, There are 10 sets of production line and 2 sets inspection equipment, can reach 120000 ton capacity for per year.
Quality Certificate
ISO9001:2008 -Quality Management System; SGS certification; FDA certification
Package & Storage :
25 KG bags, 20MT also be packed according to customer's needs.
Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight.
Applications :
Phthalic anhydride is an important organic chemical raw material, mainly used in the production of plastic plasticizers, alkyd resins, dyes, unsaturated resins and certain pharmaceuticals and pesticides. Currently phthalic anhydride widely used in chemical, pharmaceutical, electronics, agriculture, coatings, fine chemicals and other industrial sectors.
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