Description

2-Benzyl-Malonic Acid Monoethyl Ester is a versatile malonic acid derivative and a key organic synthetic intermediate. This compound is valued for its reactive methylene group and ester functionality, enabling its use in complex chemical syntheses. It is primarily sought by the pharmaceutical, agrochemical, and fine chemical industries for the production of active ingredients and advanced building blocks.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with complex carboxylic acid or heterocyclic structures.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where its molecular framework is incorporated into the final product.
• Fine Chemical Manufacturing: Serves as a precursor for dyes, pigments, and specialty polymers requiring specific carboxylic acid derivatives.
• Organic Synthesis Research: Employed in academic and industrial R&D for Knoevenagel condensations, Michael additions, and other C-C bond-forming reactions.
• Flavor and Fragrance Industry: Acts as an intermediate in the synthesis of certain aromatic compounds used in perfumery.

Basic Information

Product Name	2-Benzyl-Malonic Acid Monoethyl Ester
CAS No.	2985-39-9
Molecular Formula	C₁₂H₁₄O₄
Molecular Weight	222.24 g/mol
Synonyms	Ethyl 2-Benzylmalonate; Monoethyl Benzylmalonate; 2-Benzylpropanedioic Acid Monoethyl Ester; Benzylmalonic Acid Monoethyl Ester; Ethyl Hydrogen Benzylmalonate; (Ethoxycarbonyl)(phenylmethyl)acetic Acid; Benzylmalonic Acid Ethyl Ester; 2985-39-9
EINECS	221-048-9

Quality Control

Our 2-Benzyl-Malonic Acid Monoethyl Ester is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The product is light-sensitive and should be stored away from light.

Specification

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

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