Description

Catechol CAS NO 120-80-9 is a vital aromatic organic compound, also known as 1,2-dihydroxybenzene, serving as a key building block and intermediate in numerous industrial syntheses. Its ortho-dihydroxy structure makes it a versatile precursor for antioxidants, polymerization inhibitors, and specialty chemicals. This product is essential for manufacturers in the agrochemical, pharmaceutical, flavor & fragrance, and polymer industries seeking a reliable and high-purity intermediate.

Application

• Agrochemical Intermediates: Key precursor in the synthesis of carbofuran and other pesticides.
• Pharmaceutical Synthesis: Used as a starting material or intermediate for APIs (Active Pharmaceutical Ingredients) and fine chemicals.
• Polymer Industry: Acts as a polymerization inhibitor for vinyl monomers and a monomer for engineering plastics like polybenzoxazoles.
• Antioxidant Production: Core component in manufacturing antioxidants for rubber, fuels, and lubricants.
• Photography & Dyes: Employed as a developing agent in black-and-white photography and in dye manufacturing.
• Flavor & Fragrance: Used in the synthesis of vanillin and other aroma chemicals.

Basic Information

Product Name	Catechol
CAS No.	120-80-9
Molecular Formula	C6H6O2
Molecular Weight	110.11 g/mol
Synonyms	1,2-Dihydroxybenzene; 1,2-Benzenediol; Pyrocatechol; o-Dihydroxybenzene; o-Benzenediol; 2-Hydroxyphenol; Catechin; Oxyphenic Acid; Contact for additional trade names.
EINECS	204-427-5

Quality Control

Our Catechol is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for assay and purity, to ensure it meets the required specifications for your application. Certificates of Analysis (COA) are provided and available upon request, detailing all critical quality parameters.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is easily oxidized (store under inert atmosphere). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to light brown crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 99.0%
Melting Point	104 - 107 °C
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Water (KF)	≤ 0.5%

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