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C.I.Direct Red 79(29065);Dianzol Light Red 6BL;Durazol Red 3B;Kayarus Supra Red 6BL;Sirius Supra Red 4BL;Solar Red 2BL;Solophenyl Red 6BL
Molecular formula : C37H28N6Na4O17S4
MW : 1048.89
CAS : No

nature :-brown powder, dissolved in the water was red and blue to red, micro-soluble fibrinolytic, do not dissolve in organic solvents. The concentrated sulfuric acid was blue, purple was diluted, in leisurely nitric acid solution by the blue-black to blue, then to olive. Its solution increases are concentrated hydrochloric acid precipitation blue and green; Concentrated liquid caustic soda was yellow orange. Hard water is very sensitive right. Case of copper, iron and shade changed slightly.

Preparation Methods : H diazotization acid, and Kelixiding for coupling, and then with phosgene condensation, and then salting out, filtration and drying and prepared.

purposes : mainly for cotton and viscose fiber and fabric dyeing and printing. To improve the wet fastness can be fixing agent Y treatment or use of urea - formaldehyde resin, it should be noted that solid reagent handling Y will be reduced sunlight fastness. Also for silk, wool, Kam / viscose, polyester / rayon blended fabric dyeing. Also for the leather, paper and coloring of Split. The goods and performance of the shade and direct light red 4B very similar to the other alternative, and its sun-4B fastness than good.

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More Detailed Data:
1) C.I.Direct Red 79(29065);Dianzol Light Red 6BL;Durazol Red 3B;Kayarus Supra Red 6BL;Sirius Supra Red 4BL;Solar Red 2BL;Solophenyl Red 6BL;
2) C.I.Direct Red 81(28160);Diazol Light Red 8B;Diphenyl Red 5B,5BL;Durazol Red 2B;Nylomine Acid Red P-2G;Siruis Red 4B;Solar Red B;Sumilight Red 4B
3) 2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-3-[[4-[(4-sulfophenyl)azo]phenyl]azo]-, disodium salt;airedale red kd;aizen primula red 4bh;amanil fast red 8bl;amanil fast red 8blw;belamine fast red 8 bl
4) pyrazosulfuron-ethyl;NC-311;Sirius
5) Direct Red
6) 2-Naphthalenesulfonic acid, 6-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-3-[[4-[[4-[[7-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl] amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt;c.i.
7) light
Notice Some description was translated by software and the data is only as a reference.
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