HENGSHUI JIUZHOU ENVIRONMENTAL PROTECTION DUST REMOVAL CO., LTD THE ORIGINAL WUYI COUNTY GUOXING CHEMICAL CO; LTD was founded in 1986, is a production of dyes and intermediate private high-tech chemical enterprise. Main products: Alkaline Light Green ( Malachite Green) 100 tons/ month, Basic Violet 10( Rhodamine B) 100 tons/ month, 6- Chloro - 2, 4-dinitro aniline 300 tons/ month, 6-Bromo-2, 4-dinitroaniline 300 tons/ month 2.4-dinitroaniline350tons/ month , m-Hydroxy-N, N-diethylanline300tons/ month, oxalic acid300tons/ month. The company covers an area of 12, 000 square meters, the technical force is abundant, the production equipment and advanced detection methods, the product quality is reliable. Exported to South Korea, Japan, India, Thailand, Brazil, ect, Southeast Asian and European countries sell well in Tianjin, Shanghai, Jiangsu, Zhejiang , etc. It is a major chemical protection enterprise in Wuyi County.
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- solvent red no 49
soluble in water and ethanol is red, with intense blue fluorescence, slightly soluble in acetone, soluble in ethylene glycol aether. In sulfuric acid are yellow brown, with strong green fluorescence, diluted after a big red, sent to the blue light red and orange. Its solution to join naoh addition heating generated when the roses red floc
- basic violet 10
Bright green flash of small crystalline powder. Soluble in water and alcohol (the Blu-ray fluorescence was red with a strong solution), soluble in solvent fiber, slightly soluble in acetone. Case of concentrated sulfuric acid was yellow-brown, with a strong green fluorescence. Diluted was big red and orange. Case of concentrated nitric acid was golden brown. Its aqueous solution was added sodium hydroxide solution heated Rose Red villous precipitation. Add hydrochloric acid slightly green crystals separated.
- basic green 4
Green crystal flash. Soluble in cold water and hot water was blue-green, blue soluble in alcohol. Case of concentrated sulfuric acid yellow, dark orange diluted, in which liquid sodium hydroxide solution was added a white precipitate Microstrip green.
- basic orange 2
Flashing red-brown crystal pieces or sand-like, melting point 118 ~ 118.5 . Soluble in water was yellow orange, soluble in alcohol and soluble fiber element, slightly soluble in acetone, insoluble in benzene. Case of concentrated sulfuric acid yellow, diluted orange; case of nitric acid was orange. Its solution plus sodium hydroxide solution is generated red-brown precipitate in tannin mordant dyeing of cotton fiber was prime on the yellow orange, in the tungsten light, more bright.
- basic yellow2
Yellow uniform powder. Soluble in cold water, soluble in hot water was bright yellow, soluble in ethanol, yellow, aqueous solution when the temperature exceeds 70 , dye is broken down into 4-methyl benzophenone, its aqueous solution by adding concentrated sulfuric acid was colorless, pale and diluted yellow. In concentrated nitric acid in the orange. Hydrochloric acid solution plus its turn yellow, or colorless when heated to boiling; plus sodium hydroxide solution generated a white precipitate. Dye on the silk fiber was Yan yellow, red in incandescent light, more.
- basic violet 14
yellow-green flash crystallization block or sand substance. Soluble in cold and hot water is red and purple, easily soluble in alcohol in red. Encounter sulfuric acid was yellow brown, diluted almost colorless. Its solution with sodium hydroxide fluid shows with red precipitate almost a colourless liquid.
- basic blue 7
Flashing brown paste. Slightly soluble in cold water, soluble in hot water was blue, soluble in alcohol, blue. Case of concentrated sulfuric acid was brown, yellow and red was diluted in the concentrated nitric acid was olive green. Its solution plus sodium hydroxide solution was reddish brown. Cotton dyed material on the drops of 10% sulfuric acid changes on the light brown yellow, dripping red on 10% sodium hydroxide become yellow, drop on the acidic stannous chloride solution, red yellow change.
- basic violet 5BN
Uniform dark green flash powder or small pieces. Soluble in cold water and hot water (for the purple solution), soluble in alcohol purple. Case of concentrated sulfuric acid was red and yellow, green, yellow and brown diluted, and then into blue and purple. In concentrated nitric acid is olive colored. The case of sodium hydroxide solution process purple precipitate, add hydrochloric acid change blue dye in the cotton material on the last drops of 10% concentrated sulfuric acid change green light yellow, dripping acidic stannous chloride solution on the dim yellow, and a green light blue ring. Dyeing tannin mordant dyeing of cotton fabrics blue purple red in incandescent light, more.
- solvent green no 1
Soluble in water asblue-green, blue-green soluble in ethanol.Yellow in concentrated sulfuric acid, dilutedto dark orange.Aqueous solution of sodium hydroxide with graydye light green precipitate.
- Basic Scarlet G
Applicable to dye silk and silk fabric direct printing. Commonly used for neutral, acidic direct dyes multicolor printing as adorning colour with, not print large, medium piece face patterns. For dyed wool, cotton, color fastness is poorer. Can be used for leather, paper shading, also used in preparation of organic pigment
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