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Lianyungang Sanjili Chemical Industry Co., Ltd.
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Lianyungang Sanjili Chemical Industry Co., Ltd
Catechol /pyrocatechol
Chemical name: ortho-dihydroxybenzene (1,2-dihydroxybenzene;Pyrocatechol)
Description: colorless monoclinic crystal
Molecular formula: C6H6O2
Molecular weight:110.11
Specific gravity: 1.37
Male capacity: 0.14KJ.mol-1.K-1
Melting point: 104-105oC
Boiling point: 246oC
Flashing 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 water proof poly compound bag within liner, with the net weight of 25kg per bag. per 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 Outward appearance Melting point Content
First-class product Light gray to light brown flake grain 104-106oC 98.5%
Up-to-standard-class product Light gray to light brown flake grain 103-105oC 98%
Hydroquinone
Chemical name: para-dihydrobenzene(1,4-dihydrobenzene)
Description: needle like crystal
Molecular formula: C6H6O2
Molecular weight: 110.11
Specific gravity: 1.332
Melting point: 172oC
Boiling point: 286oC
Flashing point: 165oC
Hydroquinone is soluble in water, alcohol, ether and slightly soluble in benzene.
Uses: hydroquinone is an important chemical industry materia, which is mainly used in developer anthraquinone, azobenzene dye, synthetic ammonia flux, rubber antiox-idant, paint and stabilizer as well antioxidant of essense.
Specification: Industry grade , photographic grade
Packing: In water proof poly compound bag within liner, with the net weight of 25kg per bag. per 17/mt in a 20'fcl
Storage and transport: It should be handled with care when it is used and transported. It should be handled as general poisonous chemical goods.
Standard: Main quality standard indicators.
Indicators
Industrial-grade Photographic-grade
Q/320700FE02-2005 Q/320700FE02-2005
Appearance light brown or off-white powdery crystal white or off-white powdery crystal
Content %(m/m) 99.0-101.0 99.0-101
Melting point oC 170.0 171.0-175.0
Solubility Up to standard Up to standard
Ignition residue 0.1% 0.05 %
Heavy metal (Pb) 0.002 %
Iron (Fe) 0.002 %
Lianyungang Sanjili Chemical Industry Co., Ltd.
Add: Lianyungang Economic and Technical Development zone
P.C.: 222047
Tel: 86-518-2344999,2346820
Fax: 86-518-2342007
Contactor:Mr.Jefferson Chen
Bank of deposit: Construction Bank of China, Lianyungang Branch, Economic and Technical Development Zone Office
Account number: 223301879
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