Description

Magnesium Monobenzyl Malonate is an organometallic salt derived from malonic acid, serving as a versatile intermediate and reagent in advanced organic synthesis. Its value lies in its ability to act as a stabilized carbanion equivalent, facilitating key carbon-carbon bond-forming reactions under mild conditions. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to construct complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules containing malonate or substituted acetic acid moieties.
• Asymmetric Synthesis: Used as a chiral auxiliary or nucleophile in stereoselective reactions to create enantiomerically pure compounds.
• Agrochemical Synthesis: Intermediate in the production of herbicides, fungicides, and plant growth regulators that require malonate-derived structures.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, dyes, and fragrances where controlled alkylation is required.
• Polymer Chemistry: Can serve as a monomer or cross-linking agent in the development of specialized polymeric materials.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic chemistry and process optimization studies.

Basic Information

Product Name	Magnesium Monobenzyl Malonate
CAS No.	84133-21-1
Molecular Formula	C10H8MgO4 (for the anhydrous salt) / Often supplied as a solvate
Molecular Weight	216.47 g/mol (anhydrous)
Synonyms	Benzylmalonic Acid Magnesium Salt; Magnesium Benzylmalonate; Monobenzyl Malonic Acid Magnesium Salt; Benzylpropanedioic Acid Magnesium Salt; (Benzyloxycarbonyl)acetic Acid Magnesium Salt; Magnesium (benzyloxy)oxoacetate; Malonic Acid, Monobenzyl Ester, Magnesium Salt
EINECS	Contact for details

Quality Control

Our Magnesium Monobenzyl Malonate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) detailing key parameters such as assay (by titration or ICP), residual solvent content, and moisture levels. Our quality system supports compliance with cGMP and ISO standards for reliable sourcing in regulated 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). This material is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from incompatible materials such as strong acids and oxidizers.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (Mg content)	≥ 95.0% (by ICP-OES)
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 2.0%
Residual Solvents (GC)	Meets ICH guidelines

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