Description

Ethyl 3-Cyano-4-Hydroxybenzoate is a versatile benzoate ester derivative that serves as a critical synthetic intermediate in advanced organic synthesis. Its unique structure, featuring both cyano and phenolic hydroxyl groups, makes it a valuable building block for constructing complex molecules with specific functionalities. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a benzoate ester core with modifiable functional groups.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Liquid Crystal & Polymer Chemistry: Serves as a monomer or precursor for specialty polymers and liquid crystal materials due to its rigid aromatic structure and polar substituents.
• Organic Synthesis & Research: A versatile reagent for constructing heterocyclic compounds, dyes, and other fine chemicals in academic and industrial R&D laboratories.
• Chemical Intermediate: Employed in multi-step synthesis processes to introduce the ethyl 4-hydroxybenzoate moiety with a reactive cyano handle for further transformations.

Basic Information

Product Name	Ethyl 3-Cyano-4-Hydroxybenzoate
CAS No.	34133-59-0
Molecular Formula	C10H9NO3
Molecular Weight	191.18 g/mol
Synonyms	4-Hydroxy-3-cyanobenzoic Acid Ethyl Ester; Ethyl 4-Hydroxy-3-cyanobenzoate; Benzoic Acid, 3-Cyano-4-Hydroxy-, Ethyl Ester; 3-Cyano-4-hydroxybenzoic Acid Ethyl Ester; Ethyl 3-Cyano-4-hydroxybenzoate; Ethyl 3-Cyano-4-hydroxybenzoate (CAS 34133-59-0)
EINECS	Contact for details

Quality Control

Our Ethyl 3-Cyano-4-Hydroxybenzoate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, to meet exacting customer requirements. A Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed when not in use to minimize exposure to atmospheric moisture.

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%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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