Description

Ethylmethylmalonic Acid is a versatile dicarboxylic acid derivative, serving as a key building block in advanced organic synthesis. Its value lies in its ability to introduce specific branched alkyl groups into complex molecular frameworks, enabling the creation of high-value intermediates. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require precise molecular control.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring ethyl and methyl substituted malonate structures.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where its specific carbon skeleton is incorporated.
• Organic Synthesis Building Block: Employed in various name reactions, such as Knoevenagel condensations and decarboxylative alkylations, to construct complex organic molecules.
• Ligand and Catalyst Development: Serves as a starting material for synthesizing chiral ligands and metal-organic frameworks (MOFs) used in asymmetric catalysis.
• Polymer Modification: Acts as a monomer or cross-linking agent for producing specialty polyesters and polyamides with tailored properties.
• Fine Chemical Production: Integral to the manufacture of flavors, fragrances, and dyes that utilize malonic acid derivatives.

Basic Information

Product Name	Ethylmethylmalonic Acid
CAS No.	595-84-6
Molecular Formula	C6H10O4
Molecular Weight	146.14 g/mol
Synonyms	2-Ethyl-2-methylpropanedioic Acid; Ethylmethylpropanedioic Acid; 2-Methyl-2-ethylmalonic Acid; α-Ethyl-α-methylmalonic Acid; Propanedioic acid, 2-ethyl-2-methyl-; NSC 3774; Ethylmethylmalonate (acid form)
EINECS	209-877-7

Quality Control

Our Ethylmethylmalonic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and batch-to-batch consistency.

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 after opening to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	115 - 120 °C
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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