Description

Ethylidene, 2-Carboxy-, Ethyl Ester (8Ci) is a specialized organic ester compound with the CAS registry number 21006-31-5. This chemical serves as a valuable intermediate and building block in advanced synthetic chemistry, enabling the creation of complex molecular structures. It is primarily sought by research and development laboratories, as well as production facilities in the pharmaceutical and fine chemical sectors, for its utility in constructing active pharmaceutical ingredients (APIs) and other high-value compounds.

Application

• Pharmaceutical Intermediate: A key building block in the multi-step synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Fine Chemical Synthesis: Used in the production of complex organic molecules for agrochemicals, dyes, and specialty materials.
• Academic & Industrial Research: Serves as a critical reagent in methodological development and exploratory organic chemistry research.
• Chemical Derivatization: Employed to introduce specific functional groups into target molecules, modifying their physical or biological properties.
• Polymer Chemistry: Can act as a monomer or co-monomer in the synthesis of specialized polymeric materials with tailored characteristics.

Basic Information

Product Name	Ethylidene, 2-Carboxy-, Ethyl Ester (8Ci)
CAS No.	21006-31-5
Molecular Formula	C6H8O4
Molecular Weight	144.13 g/mol
Synonyms	Ethyl 2-(1-hydroxyethylidene)acetate; Ethyl 2-(1-hydroxyethylidene)ethanoate; 2-(1-Hydroxyethylidene)acetic acid ethyl ester; Acetic acid, 2-(1-hydroxyethylidene)-, ethyl ester; Ethyl (1-hydroxyethylidene)acetate; Ethyl 2-(hydroxyethylidene)acetate
EINECS	Contact for details

Quality Control

Our Ethylidene, 2-Carboxy-, Ethyl Ester is produced under stringent quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for every shipment, detailing key parameters such as identity, assay, and impurity profiles. Our quality systems are designed to meet the rigorous demands of research and cGMP-aligned production environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.