m-Phenylenediamine|1,8-Diaminonaphthalene|1,5-Diaminonaphthalene--Changzhou Chungang Chemical Co., L

Pyrocatechol

Synonims

Pyrocatechol

Formula

C₆H₆O₂

Stuctural formular

Properties

Pyrocatechol is colorless monoclinic crystal; Molecular weight110.11; Specific gravity:1.37; Molar heat capacity:0.14kj/mol.k; Melting point:104～105℃; Boiling point: 246℃; Flash point:127℃(open); Can dissolve in water, ethanol, ether, benzene, chloroform, pyridine, liquid alkali. Pyrocatechol is poisonous, can distil, flammable, easy to oxidize into chocolate brown when expose in the air.

Specification

Index Name	Firsts	Qualified Product
Appearance	light Gray to light brown flaky grain	light Gray to light brown flaky grain
Content:%	≥99.0	≥98.0
Melting point℃	104～106	103～105
Ash content: %	≤0.04	≤0.04
Target Price
Uses	Used as the rubber hardener, electroplate additive, skin antiseptic bactericide, hair dye, photographic developer, color photograph antioxidant, fur dye developer, crusting agent for paint and varnish; It is the important raw material for synthetic resin, tannic acid, Furadan, Baygon insecticides, berberine, adrenaline, vanillin, safrole,etc.
Packing	Packed in polypropylene composite packaging bag, 25Kg net weight per bag.

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