Description

2-(4-Methoxy-Benzylidene)-Malonic Acid is a versatile organic intermediate characterized by its malonic acid backbone substituted with a 4-methoxybenzylidene group. This compound matters for its role as a key building block in the synthesis of more complex molecules, particularly in fine chemical and pharmaceutical research. Industrial buyers and R&D chemists in the pharmaceutical, agrochemical, and advanced material sectors need it for developing active ingredients and functional compounds.

Application

• Pharmaceutical intermediate for the synthesis of potential drug candidates and active pharmaceutical ingredients (APIs).
• Key building block in organic synthesis, particularly for Knoevenagel condensation reactions to form α,β-unsaturated carbonyl compounds.
• Precursor for the development of advanced organic materials and specialty chemicals.
• Research and development (R&D) of novel compounds in academic and industrial laboratories.
• Intermediate in the synthesis of dyes, pigments, and photoactive materials.
• Starting material for the preparation of complex ligands and catalysts used in chemical processes.

Basic Information

Product Name	2-(4-Methoxy-Benzylidene)-Malonic Acid
CAS No.	21405-61-8
Molecular Formula	C11H10O5
Molecular Weight	222.19 g/mol
Synonyms	2-[(4-Methoxyphenyl)methylene]propanedioic acid; (4-Methoxybenzylidene)malonic acid; 2-(4-Methoxybenzylidene)malonic acid; Propanedioic acid, 2-[(4-methoxyphenyl)methylene]-; 4-Methoxybenzylidenemalonic acid; α-(4-Methoxybenzylidene)malonic acid
EINECS	Contact for details

Quality Control

Our 2-(4-Methoxy-Benzylidene)-Malonic Acid 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) with key parameters such as assay, impurity profile, and physical characteristics to support your quality assurance processes.

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 incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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