CAS number：57455-37-5
molecular formula：Al6Na8O24S3Si6
molecular weight：994.500988

English synonyms

BluepigmentVN-3293;c.i.pigmentblue29(ultramarineblue);CI 77007;Cosmetic Blue U;cosmetic ultramarine blue cb 80;Sanylene Blue 39-93;sicomet blue p 77007;PIGMENT BLUE 29

Related categories

Organic and inorganic chemicals; other inorganic compounds; inorganic chemical products; inorganic salts; inorganic pigments; pigments; chemical products-organic solvents; chemical materials; chemical raw materials; UVCBs-inorganic; INORGANIC & ORGANIC CHEMICALS

Chemical properties

blue powder. not soluble in water.

Use

●  Inorganic blue pigment. The paint industry is used in the manufacture of pigmented paints to make the whiteness more vivid. The rubber industry is used for coloring, whitening or mixing grass green with yellow pigments for rubber products such as sneaker soles and rubber sheets. It is used in pulp by the paper industry to produce bright white or bluish pulp. The printing and dyeing textile industry is used for printing trademarks on white cotton cloth and knitted fabrics to increase the whiteness of fibers and cloth knitted fabrics. The pigment industry is used for the coloring of oil paints and as a whitening agent for white pigments. The plastic industry is used for coloring, stitching and whitening of plastic products and artificial leather. The construction industry is used for the coloring of cement square tiles and artificial marble. In addition, ultramarine can also be used as an antioxidant for perfluorocarbon resins, as a catalyst for hydrocracking, and as an adsorption of uranium from seawater.

●  It is used as blue pigment in paint, rubber, plastic, ink, oil cloth, color painting and construction, etc. It is also used for whitening of paper, soap, starch, sizing, white products and civil wall painting.

●  Used for coloring of paints, inks, plastics, rubber and other industries and cultural and educational utensils

Production method

●  The high-temperature calcination method mixes clay, soda ash, sulfur, charcoal, sodium sulfate, quartz and other raw materials, and then enters the kiln for high-temperature calcination in separate crucibles. Dry and pulverize to obtain ultramarine green products. its fired
2(Al2O3?2SiO2?H2O)+2SiO2+4Na2S2+5O2→Na6Al4Si6S4O20+Na2SO4+3SO2↑

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