Naphthalene, is a colorless (or white) shiny flake crystal, can be divided into industrial naphthalene and refined naphthalene. Refined naphthalene can be obtained after purification and desulfurization of industrial naphthalene. Refined naphthalene is mainly used in the manufacture of dye intermediates, mothballs, leather, wood protective agent.
|Appearance||Colorless single inclined crystal with luster||Conforms|
China Qi Di Chem was established in 2003, is a enterprise engaged in R&D, production, operation and service.
The business covers organic chemicals, inorganic chemicals and fine chemicals. Our products are highly functional and widely used in industries including ink, printing and dyeing, electronics, medicine, water treatment and food additives, etc.
Our products are sold to Japan, South Korea, Southeast Asia, the Middle East, South America, Africa, Europe and America.
Naphthalene, is a colorless (or white) shiny flake crystal. Naphthalene is insoluble in water, sublimates easily, evaporates with water vapor, and has a special smell. Crude naphthalene has a coal tar odor, refined naphthalene has a mild aroma. Naphthalene is the most important thick cyclic aromatic hydrocarbon in industry and can be used in the production of phthalic anhydride, dye intermediates, rubber additives and pesticides. According to different purity, naphthalene can be divided into industrial naphthalene and refined naphthalene. The purity of industrial naphthalene is low, typically about 96%. After further purification, refined naphthalene with purity above 98.45% can be obtained. Refined naphthalene is insoluble in water, but soluble in some organic solvents, such as anhydrous ethanol, ether, benzene and so on. The melting point of refined naphthalene is 80.1℃, the boiling point is 217.9℃, and the stability is stable.
Naphthalene separated from coal tar is called tar naphthalene. Naphthalene accounts for about 8-12% in high temperature coal tar, and industrial naphthalene with purity of 96% can be produced. After further purification, refined naphthalene with purity above 98.45% can be obtained.
Petroleum naphthalene is derived from heavy aromatic components of catalytic reforming, catalytic cracking and hydrocarbon cracking. The product was purified by solvent absorption and solvent washing, and the purity was up to 99.73%.
STORAGE & PACKAGE
Refined naphthalene should be stored in a cool, well-ventilated warehouse. Keep away from fire and heat source. The temperature of the warehouse does not exceed 32 ° C, and the relative humidity does not exceed 80%. Packing sealed. Refined naphthalene should be stored separately from oxidizer, avoid mixed storage. The warehouse should be equipped with the appropriate variety and quantity of fire fighting equipment, and with appropriate materials to absorb leakage.
25kgs PE bag
The main use of refined naphthalene is known as camphor. Refined naphthalene is also commonly used in the medical field, such as the production of 2-naphthol, 1-naphthol and menaphthalene, etc. In addition, refined naphthalene can also be used in dye intermediates, leather and wood protectants.
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