Description

Benzeneacetic Acid, α-(Hydroxymethylene)-2,5-Dimethyl-, Ethyl Ester (9Ci) is a specialized organic ester compound with the CAS number 795274-98-5, serving as a valuable synthetic intermediate in advanced chemical manufacturing. Its unique structure, featuring both an ester and a hydroxymethylene group, makes it a versatile building block for constructing more complex molecules. This product is primarily targeted at research and development laboratories and industrial-scale producers in the pharmaceutical and fine chemical sectors.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a substituted phenylacetic acid backbone.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Serves as a versatile building block for creating complex esters, fragrances, and flavoring agents.
• Material Science Research: Investigated as a monomer or modifying agent in the development of specialized polymers and coatings.
• Academic & Industrial R&D: Employed in methodological studies and process chemistry development for novel synthetic routes.

Basic Information

Product Name	Benzeneacetic Acid, α-(Hydroxymethylene)-2,5-Dimethyl-, Ethyl Ester (9Ci)
CAS No.	795274-98-5
Molecular Formula	C₁₃H₁₆O₄
Molecular Weight	236.26 g/mol
Synonyms	Ethyl 2-(Hydroxymethylene)-2-(2,5-dimethylphenyl)acetate; Ethyl α-(Hydroxymethylene)-2,5-dimethylbenzeneacetate; 2,5-Dimethylbenzeneacetic acid, α-(hydroxymethylene)-, ethyl ester; Ethyl (hydroxymethylene)(2,5-dimethylphenyl)acetate; (2,5-Dimethylphenyl)(ethoxycarbonyl)methanol (tautomeric form)
EINECS	Contact for details

Quality Control

Our Benzeneacetic Acid, α-(Hydroxymethylene)-2,5-Dimethyl-, Ethyl Ester (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flames. Due to the presence of ester and hydroxymethylene functional groups, prolonged exposure to moisture or extreme temperatures should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.