Description

2-Phenyl-Malonic Acid Monoethyl Ester is a versatile organic intermediate of significant importance in fine chemical synthesis. This compound serves as a key building block for the production of pharmaceuticals, agrochemicals, and advanced materials. It is particularly valuable for researchers and manufacturers in the pharmaceutical and specialty chemical industries seeking to introduce specific molecular frameworks.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing a phenylacetic acid or related structural motifs.
• Agrochemical Synthesis: Used in the manufacturing of herbicides, fungicides, and plant growth regulators that require a malonate ester backbone.
• Fine Chemical Production: Serves as a starting material for synthesizing complex molecules used in dyes, pigments, and flavor/fragrance compounds.
• Organic Synthesis Building Block: Employed in Knoevenagel condensations and other C-C bond-forming reactions to create α,β-unsaturated esters and other derivatives.
• Polymer Chemistry: Can be utilized as a monomer or co-monomer in the development of specialty polymers with tailored properties.
• Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic pathways and novel chemical entities.

Basic Information

Item	Details
Product Name	2-Phenyl-Malonic Acid Monoethyl Ester
CAS No.	17097-90-4
Molecular Formula	C11H12O4
Molecular Weight	208.21 g/mol
Synonyms	Ethyl 2-phenylmalonate; Monoethyl phenylmalonate; Ethyl hydrogen phenylmalonate; 2-Phenylpropanedioic acid monoethyl ester; Phenylmalonic acid monoethyl ester; Ethyl (phenyl)propanedioate; Ethyl phenylmalonate (partial ester); Ethyl 2-phenylpropanedioate
EINECS	Contact for details

Quality Control

Our 2-Phenyl-Malonic Acid Monoethyl Ester is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identification, assay, and impurity profiling. Certificates of Analysis (COA) documenting all test results 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, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and bases.

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%

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