CAS No. 85-44-9 Manufacturer Supply Industrial Grade 99.5% Phthalic Anhydride

Product Description

Product Description

Product Name: Phthalic anhydride
CAS:85-44-9
Molecular Formula: C8H4O3
Assay:99.0% min
Appearace:White powder

Main Characteristic of Phthalic Anhydride :
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.

Specification

Technical Paramater of Phthalic Anhydride:

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

 

Packaging & Shipping

Package & Storage of Phthalic Anhydride:

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.

Application

Applications of Phthalic Anhydride:

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 widely used in chemical, pharmaceutical, electronics, agriculture, coatings, fine chemicals and other industrial sectors.

Company Profile

Production Workshop :

Our sino 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.
Testing Center
Our plant has strict quality control in each manufacturing process. All goods passed BV,ISO9001 & SGS which quality can be control and guaranteed. Meanwhile all the materials are tested before each shipment in our laboratory to double confirm the quality.
Quality Certificate
ISO9001:2008 -Quality Management System; SGS certification;  FDA certification