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International Trade:
Tel: +86-519-85481997/81187592/85761005
Fax: +86-519-85484533/85761018
Domestic Trade:
Tel: +86-519-85481743/85772200/85761002
Fax: +86-519-85481030/85761058
Email: changyu@public.cz.js.cn
sales@changyuchem.com |
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| 1-Naphthol |
| Synonyms |
1-naphthol (α-naphthol) |
| Domestic patent application number |
200410064819.0 |
| Structural formula |
 |
| Molecular weight |
144.17 |
| Molecular Formula |
C10H8O |
| Property |
Buff color or iron gray flaky solid. Inflammable, virulent. Has the phenol smell. The color is allowed to be deepened gradually in the storing process. Should evade light and store in d cool and dry place. |
| Use |
This product is the basic raw material or the intermediate for the dyestuff, pharmaceutical, pesticide, spicery and rubber aging inhibitor as well as the color former for the color cinefilm. |
| Specification |
convention
Index Name |
Top Grade Product(pesticide) |
First Quality(industrial product) |
Appearance |
Light off-white to light yellow tabular crystal( The color is allowed to be deepened when store) |
Purity %≥ |
99.5 |
96 |
Crystallization point℃≥ |
94.5 |
91.5 |
2-naphthol %≤ |
0.5 |
4.5 |
Moisture %≤ |
0.1 |
--- |
Low boiling pointsubstances %≤ |
0.1 |
--- |
High boiling point substances %≤ |
0.1 |
--- |
Non volatile matter %≤ |
0.1 |
--- |
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| Specification |
extra grade Specification
Index Name |
Extra Top Grade Product (pharmaceutical) |
Extra Pure Grade Product(pharmaceutical) |
Appearance |
Light off-white to light yellow tabular crystal( The color is allowed to be deepened when store) |
Solution state to the alkali |
pure clear transparent |
Purity %≥ |
99.9 |
99.9 |
99.9 |
99.9 |
99.9 |
99.9 |
99.9 |
Crystallization point℃≥ |
94.5 |
94.5 |
94.5 |
94.5 |
94.5 |
94.5 |
94.5 |
2-naphthol≤(mg/kg) |
1000 |
500 |
300 |
200 |
100 |
50 |
30 |
Moisture %≤ |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
Low boiling point substances %≤ |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
High boiling point substances %≤ |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
Non volatile matter %≤ |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
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| Packing |
net weight 50kg, woven bag inner lining plastic film. |
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