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| Caustic so | Caustic soda solutio... |
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Product name: Technical naphthalene
Physical and chemical properties: White, reddish or yellowish flaky crystal with special odor. Easy to volatile and sublimate. The maximum allowable air concentration is 100ppm. Specific gravity 1.162, melting point 80.1, boiling point 217.9, flash point 78.89, ignition point 526. Explosive limit: dust lower limit 2.5g/m2, vapor 0.9-5.9%, grade two flammable solid.
The main component of this product is naphthalene.
Molecular formula: C10H8
Molecular weight: 128.17
This product complies with GB/T6699-1998 coking naphthalene standard. Quality index see the table below:
Item Superior product First grade product Qualified product
Appearance: White, allowed reddish or yellowish powder, crystalline flake.
Crystallization point: ≥ 78.3 78.0 77.5
Non-volatile matter, % ≤ 0.04 0.06 0.08
Ash content, % ≤ 0.01 0.02 0.02
Use: The raw material in the production of phthalic anhydride, dye, resin, α-naphthoic acid and saccharin. Technical naphthalene is basic chemical raw material, mainly used in the production of water-reducing agent and dispersant, and is the raw material in the production of synthetic resin, plasticizer, rubber antioxidant, surfactant, synthetic fiber, dye, medicine, fragrance and so on.
Packing: Woven bag (lined with plastic bag) 50kg/bag. Liquid naphthalene can be transported by tank car.
