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Maleic Anhydride (MA) bulk supplier – key feedstock for unsaturated polyester resins, copolymers, agricultural chemicals & fine chemical synthesis.Maleic Anhydride (MA) bulk supplier – key feedstock for unsaturated polyester resins, copolymers, agricultural chemicals & fine chemical synthesis.
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Maleic Anhydride – MA

CAS Number:

108-31-6

Other Trading Names:

  • Furan-2,5-dione
  • Cis-Butanedioic Anhydride
  • 2,5-Furanedione
  • Maleic Acid Anhydride
  • Toxilic Anhydride

Types of Packaging

  • PP bag with 25 kg weight capacity per bag.
  • PP bag with 500 kg weight capacity per bag.
  • Kraft bag with 25 kg weight capacity per bag.
  • Kraft bag with 500 kg weight capacity per bag.

HS Code:

29171400

Categories: ,
Item Value
Purity 99.50% min.
Acid Maleic Content % 0.05 max.
Molten Colority (Pt-Co) 25 max.
Crystallisation Point (℃) 52.5 min.
Fe Content (ppm) 3 max.
Ash Content % 0.003 max.

High-Purity Maleic Anhydride (MA) – Key Intermediate for Unsaturated Polyester Resins, Fine Chemicals & Copolymers

We are a leading global supplier of Maleic Anhydride (MA), a highly reactive, multifunctional organic compound essential in the production of unsaturated polyester resins (UPR), copolymers, agricultural chemicals, and fine chemical intermediates. Supplied in high-purity briquette or molten form, our MA ensures reliable performance in demanding chemical synthesis and polymer applications.

KEY APPLICATIONS FOR BULK BUYERS:

  • Unsaturated Polyester Resins (UPR): Critical raw material for producing fiberglass-reinforced plastics (FRP) used in marine, automotive, construction, and tank/piping applications.

  • Copolymers & Additives: Key monomer for maleic anhydride copolymers (e.g., with styrene, ethylene, vinyl acetate) used as scale inhibitors, dispersants, and lubricant additives in fuel, oilfield, and water treatment applications.

  • Agricultural Chemicals: Intermediate for manufacturing malathion, captan, and other pesticides/fungicides.

  • Fine Chemical Synthesis: Building block for producing malic acid, fumaric acid, succinic acid, tetrahydrofuran (THF), and 1,4-butanediol (BDO).

  • Food & Beverage Additives: Used in the production of acidulants and flavor enhancers such as malic acid.

  • Paper Sizing: Component in alkaline paper sizing agents to improve water resistance and printability.

  • Lube Oil Additives: Used to produce polyisobutylene succinimide (PIBSI) dispersants for engine oils.

WHOLESALE SUPPLIER ADVANTAGES:

  • High Purity & Consistent Form: Available as white briquettes/pellets or in molten state (>99.5% purity) with low impurities for reliable reactions.

  • Bulk Supply Flexibility: Supplied in 25 kg bags (briquettes), isotanks (molten), and dedicated tanker deliveries to meet industrial-scale demand.

  • Competitive Bulk Pricing: Economical pricing for resin manufacturers, chemical processors, agricultural producers, and distributors with volume-based agreements.

  • Global Logistics & Handling Expertise: Safe and efficient transport of solid and molten MA, supported by full SDS, COA, and regulatory compliance.

  • Technical & Process Support: Assistance with resin formulation, copolymer synthesis, and chemical process optimization.

  • Multi-Industry Supply Reliability: Trusted supplier to the composites, plastics, agricultural, oilfield, and fine chemical industries.

PRODUCT SPECIFICATIONS:

  • Chemical Name: Maleic Anhydride (MA)

  • CAS Number: 108-31-6

  • Appearance: White crystalline briquettes/pellets or clear molten liquid

  • Purity: ≥ 99.5%

  • Melting Point: ~52.8°C

  • Solidification Point: ≥ 52.0°C

  • Maleic Acid Content: ≤ 0.05%

  • Storage (Solid): Store in a cool, dry, well-ventilated area away from moisture, bases, and heat sources.

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