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Solvent Blue 74

Solvent Blue 74 Structure
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
Molecular Weight:
430.37
MOL File:
128-86-9.mol
Modify Date:
2024/3/19 15:37:51

Solvent Blue 74 Properties

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,Uses,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.

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.

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Solvent Blue 74 4,8-diamino-9,10-dihydro-1,5-dihydroxy-9,10-dioxoanthracene-2,6-disulphonic acid 4,8-diamino-1,5-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2,6-disulfonic acid ACIDFORMOFACIDBLUE45 4,8-diamino-9,10-dihydro-1,5-dihydroxy-9,10-dioxo-2,6-Anthracenedisulfonic acid 4,8-diamino-9,10-dihydro-1,5-dihydroxy-9,10-dioxo-6-anthracenedisulfonic acid 4,8-Diaminoanthrarufin-2,6-disulfonic acid C.I.63005 C.I.Solvent Blue 74 1,5-Diamino-9,10-dihydro-4,8-dihydroxy-9,10-dioxo-3,7-anthracenedisulfonic acid 2,6-Anthracenedisulfonic acid, 4,8-diamino-9,10-dihydro-1,5-dihydroxy-9,10-dioxo- Solvent Blue 74 ISO 9001:2015 REACH C.I.Solvent Blue 74:C.I.63005 128-86-9 Solvent Dyestuff