Pyrocatechol

Chemical name: 1,2-Dihydroxybenzene; Pyrocatechol Description: colorless monoclinic crystal Molecular formula: C6H6O2

Catechol
Chemical name: 1,2-Dihydroxybenzene; PyrocatecholDescription: colorless monoclinic crystal Molecular formula: C6H6O2Molecular weight:110.11 Specific gravity: 1.37Male capacity: 0.14KJ.mol-1.K-1Melting point: 104-105oCBoiling point: 246oCFlashing point: 127oC

Soluble in water, alcohol, ether, benzene, chloroform, pyridine, liquid alkali. Catechol is poisonous, sublimates easily, burn and oxidate easily and becomes brown when exposed in air. Uses: Catechol is an important chemical industry intermediate product with wide uses. It can be used as rubber harden-idant, electroplate additive, skin preservative as well bactericide, dye hair, photographic developer,color photographic anti-oxidant, furcoloring agent, paint and varnish anti-shrivel. Furthermore, catechol is an important material of synthetic resin, tannic acid, agricultural chemical furantion, medical the rhizome of chinese goldthread, perfume vanillin, pepper aldehyde and so on. Specification: First-class product,Standard-class product Packing:in 25kg water proof poly compound bag within liner, per 15-17/mt in a 20'fcl.Storage and transport: Catechol should be tightly and completely cut off from air when it is packed and transported as general combustible chemical goods. Standard: main quality standard indicators.

Specification	Appearance	Melting point	Content
First-class product	Light gray to light brown (flake) grain	104-106oC	≥99%
Up-to-standard-class product	Light gray to light brown (flake) grain	103-105oC	≥98%

quality index

Name	First grade	qualified
appearance	light bray to light brown (flaky) granule	light bray to light brown (flaky) granule
content%	≥99.0	≥98.0
Melt point°C	104-106	103-105
Ash%	≤0.04	≤0.04

Pyrocatechol