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Maleic Anhydride
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Maleic Anhydride

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Description
Maleic Anhydride 99.5%;
C4H2O3, CAS no.108-31-6;
White spherical, flake, briquette;
For unsaturated polyester resins;
Coating, paints and plastic.
Chemical Identification

Common Name:

Maleic Anhydride




Synonyms:

MA;

Cis-Butenedioic Anhydride;

Maleic Acid Anhydride;

Toxilic Anhydride;

CAS No.:

108-31-6

EINECS No.:

203-571-6

Appearance:

White briquette, spherical, powder or flake.

Density:

1.48

Flash Point:

102°C

Melting Point:

52.8°C

Boiling Point:

202°C

Crystallization Point:

52°C

Stability:

Stable. Combustible. Moisture Sensitive.

Molecular Formula:

C4H2O3

Molecular Weight:

98.06


Molecular Structure:


Product Information

Specifications:

Specifications of Maleic Anhydride

Product name: Maleic Anhydride

Manufacturer: Ningbo Titan Unichem Co., Ltd.

TEST ITEMS

SPECIFICATIONS

Appearance

White briquette

Purity

99.5% min

Crystalline point

52.5°C min

As

3ppm max

Ash

0.003% max

Molten color (APHA)

25 max

Iron 

5ppm max

Residue on ignition

0.005% max

Maleic acid

0.1% max


Pictures:

 

Loading of Maleic Anhydride from TITAN UNICHEM.

Packaging:

  • Packed in 25Kg PP-PE woven bag, 20mt without pallet each 20ft FCL;

  • Or package as per customer's request.

Delivery Lead Time:

  • Prompt shipment within 2 weeks.

Storage & Handling:

  • Store in a cool, dry and well-ventilated place.

  • Keep away from moisture, fire and heat.

  • Handle with care and no breakage.

Safety Information:

Hazard Class:

8

RIDADR:

UN 2215

Packing Group:

III

HS Code:

2917140000

Safety Statements:

S22-S26-S36/37/39-S45 

Risk Statements:

R22;R34;R42/43

Hazard Codes:

C: Corrosive


Application

Descriptions:

  • Maleic anhydride is white crystalline granule, block, briquettes or fused mass, with a pungent odor.

  • Maleic anhydride is soluble in ethanol, ethyl ether and acetone, insoluble in petroleum ether and carbon tetrachloride.

  • Maleic anhydride reacts slowly with water to form maleic acid and heat.

  • Maleic anhydride is easy sublimation, vapors, fumes and dusts strong irritate the eyes, skin and mucous membranes.

Uses:

  • Maleic anhydride is an important raw material mainly used for synthesizing unsaturated polyester resins.

  • Maleic anhydride can be used as a preservative for fats and oils, etc.

  • Maleic anhydride can be used in pesticides, pharmaceutics, coating, paints, inks, lubricating oil additives, paper chemicals, textile finishing agents and surfactants.

  • Maleic anhydride can be also used for producing butyl glycol, Ding gamma lactone, tetrahydrofuran, maleic acid, fumaric acid and tetrahydro anhydride organic chemicals and fine chemicals.