Acid Blue 91
Name:C.I.Acid Blue 91,C.I.42715
Molecular Structure: triarylmethane class
Molecular Formula:C51H49N4NaO6S2
Molecular Weight: 901.08
CAS Registry Number:6472-57-7
Manufacturing Methods : Benzaldehyde (1 Moore) and N-ethyl-N-benzyl-3-methylaniline (2 Moore) condensation, The product was then sulfonated with fuming sulfuric acid is three and lead peroxide oxidation and then with N1-phenylbenzene-1,2-diamine which is substituted benzaldehyde sulfonic acid group on the benzene ring.
Properties and Applications: blue.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 3 | 4 | 3-4 | 4 | 4 |
List of Suppliers:
Brilliant Discharge Blue G( IG Farbenindustrie AG )
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