maleic anhydride

99.5% min Maleic Anhydride

We are the professional manufacture for 99.5% min Maleic Anhydride in China.

Specifications
Cas no.: 108-31-6
White,Flake ,Briquette
99.5% maleic anhydride for making paints rubber

ISO9001: 2000
CAS No.: 108-31-6
Appearance: with crystal
Other Names: MALEIC ACID
MF: C4H2O3
HS Code: 29171400
Manufacture of unsaturate polyester resin, alkyd resin, insulate paint, plasticicer, maleic acid, malaic acid and tartaric acid, etc. It can be used antiseptic agent, also serve as the raw materials of medicine, paint, glass steel and so on.

Physical Properties Maleic Anhydride
Molecular formula C4H2O3
Content ≥ 99.5%
Molten Color ≤ 20.0
Crystallization point ≥ 52.4
Ash content ≤ 0.005%
Iron content ≤ 5 mg/kg
TEST RESULTS QUALIFIED

Specification:



Item

Specification

Result

Appearance

clear ,colorless liquid

clear ,colorless liquid

Content≥%

99.5

99.6

Water Content≤%

0.2

0.09

Color, Pt-Co≤

15

5

Specific Gravity

1.047-1.052

1.05

Inhibitor (MEHQ), ppm

200¯20

205



1.Properties:

This product is a white flake or crystal powder. The Melting point is 135.0®C,the specific gravity is 1.527; It is difficult to dissolve in water and ether; It possesses the properly of anhydride of organic acid, for example: it reacts with alcohol to form ester through dehydrating, and reacts with hot water and steam to form acid, and benzoic acid through decarboxylating.



2.Applications:

It is mainly used for the production of unsaturated polyester, then used in medicine, pesticides, paints, oil additives, and various additives and fine chemicals. For this year, a large number of 1.4-butanediol, tetrahydrofuran, y-propyl, and many small manufacturing hydrogenated anhydride