Description

Maa CAS NO 7682-06-6 is a high-purity chemical compound, also known as maleic anhydride, widely recognized for its versatility as a key industrial intermediate. Its primary value lies in its reactive anhydride group, which makes it an essential building block for the synthesis of polymers, resins, and specialty chemicals. This product is critical for manufacturers in the plastics, coatings, agricultural chemical, and pharmaceutical industries seeking reliable raw materials for production.

Application

• Unsaturated Polyester Resins (UPR): A fundamental monomer for producing fiberglass-reinforced plastics used in automotive parts, marine hulls, and construction panels.
• Alkyd Resins: Used in the formulation of high-performance industrial and decorative coatings, paints, and varnishes.
• Agricultural Chemicals: Serves as a precursor for the synthesis of herbicides, fungicides, and plant growth regulators.
• Lubricant Additives: Employed in the production of succinimide-based dispersants and other additives that improve engine oil performance.
• Food & Beverage Industry: Used in the manufacture of food acidulants, such as fumaric and malic acid, and as a cross-linking agent for starch.
• Pharmaceutical Intermediates: A key starting material in the synthesis of various active pharmaceutical ingredients (APIs) and therapeutic compounds.
• Paper Sizing Agents: Used to produce alkyl ketene dimer (AKD) and alkenyl succinic anhydride (ASA) for paper sizing to improve water resistance.
• Co-polymers: A comonomer for styrene-maleic anhydride (SMA) resins, which are used in automotive, appliance, and packaging applications.

Basic Information

Product Name	Maa
CAS No.	7682-06-6
Molecular Formula	C4H2O3
Molecular Weight	98.06 g/mol
Synonyms	Maleic Anhydride; 2,5-Furandione; cis-Butenedioic Anhydride; Toxilic Anhydride; MAN; MAH; Maleic Acid Anhydride
EINECS	231-654-8

Quality Control

Our Maa (Maleic Anhydride) is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity specifications, including assay, melting point, and impurity profile analysis. Certificates of Analysis (COA) documenting compliance with agreed specifications are available upon request for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is easily oxidized; it is recommended to store under an inert atmosphere such as nitrogen for long-term preservation to maintain purity and prevent degradation. Keep away from strong acids, organic solvents, and incompatible materials.

Specification

Item	Specification
Appearance	White crystalline solid / flakes
Identification (IR)	Conforms
Assay (HPLC)	≥ 99.5%
Melting Point	52.0 - 54.0 °C
Color (APHA)	≤ 20
Iron (Fe)	≤ 5 ppm
Ash Content	≤ 0.01%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.