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1.Product quality indicator
Items
Indicator
Excellent
First-class
Qualified
Crude
Appearance
Red crystalline powder
Red to brownish red crystalline powder
1-amino-anthraquinone,%≥
98.5
97.5
96.0
80
1-5-diamino-anthraquinone,%≤
0.3
0.5
1.0
1-8-diamino-anthraquinone,%≤
0.1
0.3
0.5
Above is the indicator of superior products, according to the needs of clients, first-class, second-class and crude products can be made respectively.
2.Physicochemical properties
Needle-like crystal of glittering red. Melting point is 253-256 °C,and can be sublimated. Soluble in hot nitrobenzene, toluene, xylene, ethyl ether, sulfuric acid, chloroform, benzene. Slightly soluble in cold alcohol, insoluble in water.
3.Use
Important intermediates of vat dyes, disperse dyes and reactive dyes.
Previous: None
Next: 1-nitroanthraquinone
英超 切尔西 直播_高清英超直播_官网(欢迎您)
1.Product quality indicator
Items
Indicator
Excellent
First-class
Qualified
Crude
Appearance
Red crystalline powder
Red to brownish red crystalline powder
1-amino-anthraquinone,%≥
98.5
97.5
96.0
80
1-5-diamino-anthraquinone,%≤
0.3
0.5
1.0
1-8-diamino-anthraquinone,%≤
0.1
0.3
0.5
Above is the indicator of superior products, according to the needs of clients, first-class, second-class and crude products can be made respectively.
2.Physicochemical properties
Needle-like crystal of glittering red. Melting point is 253-256 °C,and can be sublimated. Soluble in hot nitrobenzene, toluene, xylene, ethyl ether, sulfuric acid, chloroform, benzene. Slightly soluble in cold alcohol, insoluble in water.
3.Use
Important intermediates of vat dyes, disperse dyes and reactive dyes.
Previous: None
Next: 1-nitroanthraquinone
Next: 1-nitroanthraquinone
