Description

2-Methylpropanedioic Acid CAS NO 516-05-2 is a versatile dicarboxylic acid derivative, also known as methylmalonic acid, valued for its role as a key building block in organic synthesis. Its bifunctional structure makes it a critical intermediate for producing high-value compounds in the pharmaceutical and fine chemical sectors. This product is essential for manufacturers and R&D laboratories seeking a reliable, high-purity raw material for complex chemical processes.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), vitamins, and other bioactive molecules.
• Fine Chemical Synthesis: Used as a versatile building block for creating complex organic compounds, including specialty polymers, ligands, and catalysts.
• Biochemical Research: Serves as a standard or reagent in metabolic studies, particularly in research related to methylmalonic acidemia and vitamin B12 deficiency.
• Agrochemical Production: Employed in the development and synthesis of advanced crop protection agents and plant growth regulators.
• Cosmetic Ingredients: Acts as an intermediate for synthesizing certain esters and other compounds used in personal care formulations.
• Polymer Modification: Utilized to introduce functional groups into polymer chains, altering material properties for specialized applications.

Basic Information

Product Name	2-Methylpropanedioic Acid
CAS No.	516-05-2
Molecular Formula	C4H6O4
Molecular Weight	118.09 g/mol
Synonyms	Methylmalonic Acid; 2-Methylmalonic Acid; Isosuccinic Acid; Propane-1,1-dicarboxylic Acid; 1,1-Ethanedicarboxylic Acid; MMA; Methylpropanedioic Acid
EINECS	208-219-5

Quality Control

Our 2-Methylpropanedioic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for pharmaceutical and fine chemical applications. A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	130°C - 135°C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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