Acid Blue 56
Name:C.I.Acid Blue 56,C.I.62005
Molecular Structure: anthraquinones
C.I.Acid Blue 56,C.I.62005,CAS 6408-69-1,442.33,C14H8N2Na2O8S2
Molecular Formula:C14H8N2Na2O8S2
Molecular Weight: 442.33
CAS Registry Number:6408-69-1
Manufacturing Methods : 1,4-Dihydroxyanthracene-9,10-dione with ammonia and insurance powder reduction, and then oxidation, stlfonation.
Properties and Applications: red light blue. The strong sulfuric acid for gray, diluted into yellow.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 5-6 | 1-2 | 3 | 3 | 1-2 | |||
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