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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