4-bromo 1, 8, naphthalene anhydride is a new type of intermediate. In the dye industry, high-quality raw materials play an important role in the entire production process. As a raw material, 8-naphthalene anhydride is a good intermediate for solvent dyes. Mainly used to prepare fluorescent yellow, fluorescent orange and other dyes. In addition, 4-bromo1 and 8-naphthalene anhydride are also used as important intermediates of fluorescent brighteners, especially for fluorescent polymers. Fine chemical intermediates and dye intermediates are its main application areas.
Test item
specification
Appearance
yellow-green powder
Assay
≥98%
Ash
≤0.5%
Fineness (residual value through 60 mesh sieve)
≤5%
moisture
≤1%
Aosen New Material Technology Co., Limited Established in 2008, a leading raw material manufacturer in China. Supply high quality all kinds of materials which cover from Flavors & fragrances;biochemical and daily chemicals and other fine chemicals. Besides, customize service is also accredited by many clients.
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Aosen New Material Technology Co.,Ltd. Established in 2008, a leading raw material manufacturer and supplier in China. Supply high quality all kinds of materials which cover from biochemical and daily chemical material; Pharmaceutical intermediates; organic chemical materials; pesticide materials and intermediates;dye and pigment intermediates and other catalysts. Customize service is also acc...
Basic Information
Company Products / Services: flavors and fragrances, longifolene, p-menthane, p-cymene, benzyl salicylate etc, fine chemicals, edtp, cis-9-tricosene, pirimiphos-methyl, 2-ehn, sodium phytate etc,
