2,7-DIMETHOXY NAPHTHALENE

Commidity: 2,7-dimethoxy naphthalene Specification: Appearance: light yellow to white crystal powder Purity: 98% min M.W.: 188 Melting point: 136 Moisture: 0.5% max Packing: 25 kgs net fiber drum with a pe bag inside Uses: intermediate of medcine Storage: stored in dark dry place and sealed   CONTACT PERSON: MR. LI HONGBING

4-CHLORO-RESORCINOL

Commidity: 4-chloro-resorcinol Specification: Appearance: white crystal Purity: 98% min M.W.: 144.5 Melting point: 89 Packing: 50 kgs net fiber drum with a pe bag inside Uses: mainly used for organic synthesis and derivative of ether   CONTACT PERSON: MR. LI HONGBING

BISPHENOL

Commidity: bisphenol Specification: Appearance: white or pinkish powder Purity: 98% 99% min M.W.: 250 Melting point: 248-249 Packing: 25 kgs net pp bags with a pe bags inside Uses: mainly used as synthesis the monomer of polysulfone,coatings,modified agent of leather,intermediate of dyestuff,conveted agent of fiber,brightening agent for eletroplating of meatl. Storage: stored in dry and dark place   CONTACT PERSON: MR. LI HONGBING

DIHYDROXY-G-SALT

Commidity: dihydroxy-G-salt 2,8-dihydroxynaphthalene-6-sulfonate Specification: Appearance: grey or greyish green powder Purity: 85% 95%min M.W.: 262 Organic impurity: Schaffer's salt:1% max G-salt: 0.5% max Other organic: 1% max Packing: 25 kgs net pp bags with a pe bags inside Uses: mainly used as dyestuff intermediates Storage: stored in dark dry place for two years   CONTACT PERSON: MR. LI HONGBING

DIHYDROXY-R-SALT

Commidity: dihydroxy-R-salt 2,3-dihydroxynaphthalene-6-sulfonate Specification: Appearance: white powder or crystal Purity: 85% 90% 97% 98% 99% min M.W.: 262 Fe: 10pm 20ppm 40ppm Aqueous solution: light yellow transparent liquid Organic impurity: 1% max Moisture: 0.5% max Ph value; 3-6 Packing: 25 kgs net pp bags with a pe bags inside Uses: mainly used as coupler for diazo photosensitive paper,also Used as additive Storage: stored in dark dry place for two years   CONTACT PERSON: MR. LI HONGBING

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