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1,6-DIHYDROXY
NAPHTHALENE |
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Commidity: 1,6-dihydroxy naphthalene
Specification:
Appearance: greyish white powder
Purity: 92% 98%min
M.W.: 160
Melting point: 132-135
Packing: 25 kgs nett fiber drum with a pe bag inside
Uses: mainly used as intermediate of dyestuff and medicine
Storage: stored in dark place and sealed
CONTACT PERSON: MR. LI HONGBING
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1,7-DIHYDROXY
NAPHTHALENE |
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Commidity: 1,7-dihydroxy naphthalene
Specification:
Appearance: yellow powder
Purity: 98% min
M.W.: 160
Melting point: 179-181
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
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2,3-DIHYDROXY
PAPHTHALENE |
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Commidity: 2,3-dihydroxy naphthalene
Specification:
Appearance: greyish white and light reddish powder
Purity: 98%min
M.W.: 160
Melting point: 162-164
Fe: 10ppm max
Packing: 25 kgs nett fiber drum with a pe bag inside
Uses: mainly used as intermediate of dyestuff and medicine
Storage: stored in dark place and sealed
CONTACT PERSON: MR. LI HONGBING
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2,4-DIHYDROXY-BENZOIC
ACID ETHANOLAMIDE |
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Commidity: 2,4-dihydroxy-benzoic acid ethanolamide
Specification:
Appearance: white-light yellow crystal powder
Purity: 99% min
M.W.: 197
Melting point: 166-170
Packing: 25 kgs net fiber drum with a pe bag inside
Uses: mainly used as coupler for diazo compound,curing agent,sensitive
agent.
Storage: stored in dark place sealed
CONTACT PERSON: MR. LI HONGBING
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2,7-DIHYDROXY-NAPHTHALENE-3,6-DISULPHONATE |
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Commidity: 2,7-dihydroxy naphthalene-3,6-disulphonate
Specification:
Appearance: white-grey crystal powder
Purity: 97% min
M.W.: 364
Fe: 10ppm max
Ph value: 5-7
Moisture: 1%max
Packing: 25 kgs net pp bag with a pe bag inside
Uses: mainly used as coupling component of blueprinting
Storage: stored in dark and dry place
CONTACT PERSON: MR. LI HONGBING
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