Description

Monomethyl Malonate is a versatile and high-purity organic building block, essential for the synthesis of complex molecules in advanced research and industrial applications. Its value lies in its role as a key intermediate for introducing malonate ester functionality, enabling the construction of pharmaceuticals, agrochemicals, and fine chemicals. This compound is particularly needed by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds containing malonic acid derivatives.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators that require malonate-based structures.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, flavors, and fragrances.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the development of specialized polymers and resins.
• Organic Synthesis & Research: Employed in Knoevenagel condensations and other C-C bond-forming reactions in academic and industrial R&D laboratories.
• Electrolyte Additive: Investigated for use in lithium-ion battery electrolytes to improve stability and performance.

Basic Information

Product Name	Monomethyl Malonate
CAS No.	16695-14-0
Molecular Formula	C4H6O4
Molecular Weight	118.09 g/mol
Synonyms	Methyl hydrogen malonate; Malonic acid monomethyl ester; Monomethyl ester of malonic acid; Methyl malonate; Methoxycarbonylacetic acid; Carbomethoxyacetic acid; Methyl propanedioate
EINECS	240-764-7

Quality Control

Our Monomethyl Malonate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for production relevant to pharmaceutical and industrial applications.

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 heat, sparks, and open flame. The container must be kept tightly closed to minimize moisture absorption and potential degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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