Description

Difumaric Acid CAS NO 1196531-39-1 is a specialized organic acid compound, a structural isomer of fumaric acid, known for its distinct chemical properties and reactivity. This compound is valued in advanced chemical synthesis for its dual carboxylic acid functional groups, which enable its use as a versatile building block or intermediate. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for developing novel compounds and materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Modifier: Acts as a cross-linking agent or monomer in the manufacture of specialty polyesters, alkyd resins, and coatings to enhance performance properties.
• Fine Chemical Production: Employed as a building block for synthesizing complex organic compounds in research and development laboratories.
• Food Additive Precursor: Potential use in the controlled synthesis of food-grade acidulants and preservatives.
• Cosmetic Ingredient Intermediate: Utilized in the production of certain esters and compounds for personal care formulations.

Basic Information

Product Name	Difumaric Acid
CAS No.	1196531-39-1
Molecular Formula	C8H8O8
Molecular Weight	232.15 g/mol
Synonyms	2-Butenedioic Acid (2E)-, Dimer; (2E)-2-Butenedioic Acid Dimer; Difumarate; Difumaric Acid; Tetracarboxylic Acid Derivative; 1,1'-(1,2-Ethenediyl)bis[1,2-ethanedicarboxylic acid]; Fumaric Acid Dimer; Bifumaric Acid
EINECS	Contact for details

Quality Control

Our Difumaric Acid is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and high-purity standards. Certificates of Analysis (COA) with detailed batch-specific results are provided and available upon request.

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). Keep away from strong bases, oxidizing agents, and sources of heat.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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