China (Mainland)
Crude naphthalene CAS NO.91-20-3
- Min.Order: 10 Metric Ton
- Payment Terms: L/C,T/T
- Product Details
Keywords
- toluene,
- coal chemical
- naphthalene
Quick Details
- ProName: Crude naphthalene
- CasNo: 91-20-3
- Application: coal chemical material
- DeliveryTime: within 25 days
- Port: qingdao
- ProductionCapacity: 50000 Metric Ton/Month
- Purity: 95
- LimitNum: 10 Metric Ton
Superiority
Specifications
best price CRUDE NAPHTHALENE CAS 91-20-3
1.CRUDE NAPHTHALENE
2.CAS 91-20-3
3.Purity 96%, 99%
4.25kg/bag
Best price CRUDE NAPHTHALENE CAS 91-20-3
Crude Naphthalene is used to produce beta hydroxynaphthalene, reducer, phthalic anhydride, refined naphthalene, dye intermediate and synthetic resin etc.
The COA of best price CRUDE NAPHTHALENE CAS 91-20-3
|
Item |
Specifications |
Results |
|
Appearance |
White powder or flake crystal (light right or light yellow is allowed) |
Light yellow flake crystal |
|
Crystallization point,°C |
77.5min |
77.7 |
|
Nonvolatile matter,% |
0.08max |
0.07 |
|
Ash content,% |
0.02max |
0.006 |
|
Purity |
≥96% |
96.2% |
|
Conclusion |
The results conforms with enterprise standards |
|
Details
Introduction:
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.
Physicochemical Property
The Crude Naphthalene is a white with pinkish, grey white, yellowish or brown crystal, and its solid states are powder, tabloid, flake and lump, easily volatile and sublimation. It has coal tar smell, water insoluble, dissolving in ethanol, ethyl ether, chloroform, carbon tetrachloride, benzene and carbon disulfide.