Solvent Blue 74
- Product Name
- Solvent Blue 74
- CAS No.
- 128-86-9
- Chemical Name
- Solvent Blue 74
- Synonyms
- C.I.63005;Solvent Blue 74;C.I.Solvent Blue 74;ACIDFORMOFACIDBLUE45;C.I.Solvent Blue 74:C.I.63005;Solvent Blue 74 ISO 9001:2015 REACH;4,8-Diaminoanthrarufin-2,6-disulfonic acid;4,8-diamino-9,10-dihydro-1,5-dihydroxy-9,10-dioxo-6-anthracenedisulfonic acid;1,5-Diamino-9,10-dihydro-4,8-dihydroxy-9,10-dioxo-3,7-anthracenedisulfonic acid;4,8-diamino-9,10-dihydro-1,5-dihydroxy-9,10-dioxo-2,6-Anthracenedisulfonic acid
- CBNumber
- CB3874916
- Molecular Formula
- C14H10N2O10S2
- Formula Weight
- 430.37
- MOL File
- 128-86-9.mol
Solvent Blue 74 Property
- Density
- 2.088±0.06 g/cm3(Predicted)
- pka
- -1.67±0.20(Predicted)
- EPA Substance Registry System
- 2,6-Anthracenedisulfonic acid, 4,8-diamino-9,10-dihydro-1,5-dihydroxy-9,10-dioxo- (128-86-9)
Solvent Blue 74 Chemical Properties,Usage,Production
Preparation
C.I. Acid Blue 45 (by (a) 1,5-Dihydroxyanthracene-9,10-dione sulfonation, again nitrifying generated disulfonic Acid, then use Sodium sulfide reduction; (b) using Sodium bisulfite treatment 2,4,6,8-Tetrabromo-1,5-dihydroxyanthracene-9,10-dione or 1,5-Dihydroxy-2,6-dichloro-4,8-dinitroanthraquinone; (C) in the presence of copper with ammonia treatment 2,4,6,8-Tetrabromo-1,5-dihydroxyanthracene-9,10-dione?or?1,5-Dihydroxy-2,6-dichloro-4,8-dinitroanthraquinone?with hydrochloric Acid acidification.
Synthesis
4,8-Diamino-1,5-dihydroxyanthraquinone- 2,6-disulfonic acid is prepared from 1,5-dihydroxyanthraquinone by sulfonation, nitration, and reduction .
Properties and Applications
blue. Blue powder. In alkaline aqueous solution in have greater solubility. Light resistance, heat resisting fastness are high. Mainly used in high-grade adornment coloring.
Solvent Blue 74 Preparation Products And Raw materials
Raw materials
Preparation Products
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