- Contact Person : Ms. Zhang Ada
- Company Name : Hebei Baili Industry Trade Co., Ltd.
- Tel : 86-310-3281000
- Fax : 86-310-3281000
- Address : Hebei,Handan,NO.2 in NO.16, NO.99 yard, South of yuxin street, Hanshan district
- Country/Region : China
Top grade Industrial naphthalene flakes,crude naphthalene,technical naphthalene,
1.Description :
Industrial Naphthalene is white, reddish or yellowish flake crystallization. It has special odour and it is easy to volatilize and sublimate.The highest allowed density in
the air is 10 ppm,specific gravity is 1.162, melting point is 80.1, boiling point is 217.9,
flashing point is 78.89, and spontaneous ignition point is 526.Explosion limit: Dust
lower limit is 2.5 g/m2, steam 0.9~5.9%. It belongs to the second class flammabe solid. It is mainly made up of naphthalene.
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2.Application:
It is used to produce βhydroxynaphthalene,reducer,phthalic anhydride, refined naphthalene ,
dye intermediate and synthetic resin etc..
Industrial naphthalene
Molecular formula: | C10H8 | |
Molecular weight:CAS NO.: | 128.1791-20-3 | |
Appearance: | white an light red or yellow powder | |
crystallization point: | ≥ 78.3ºC(excellent grade),≥78.0ºC(first level) ,≥77.5ºC(qualified level) | |
invalatile substance: | ≤ 0.04 (excellent grade), ≤ 0.06 (first level),≤ 0.08 (qualified level) | |
ash: | ≤ 0.01(excellent grade),≤0.01(first level),≤0.02(qualified level) | |
Melting point: | 79-82 ºC | |
Boiling point: | 218 ºC | |
Density: | 0.99 | |
Flash point: | 78 ºC | |
3.Application: | used in producing phthalic anhydride and additive of concrete | |
Top grade Industrial naphthalene flakes,crude naphthalene,technical naphthalene,
