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Mordant Black 57

Name:C.I.Mordant Black 57,C.I.63620

Molecular Structure: anthraquinones

C.I.Mordant Black 57,C.I.63620,CAS 61968-77-2,700.52,C26H14N4Na2O13S2,Alizarine Fast Black T

C.I.Mordant Black 57,C.I.63620,CAS 61968-77-2,700.52,C26H14N4Na2O13S2,Alizarine Fast Black T

Molecular Formula:C26H14N4Na2O13S2

Molecular Weight: 700.52

CAS Registry Number:61968-77-2

Manufacturing Methods : (a) 1,2,4-Trihydroxyanthracene-9,10-dione in the presence of boric acid condensation of aniline, sulfonation, into sodium salt, and then will product nitrifying; (b) 2-Bromo-1,4-dihydroxyanthracene-9,10-dione or 2-Chloro-1,4-dihydroxyanthracene-9,10-dione and aniline condensation, sulfonation, then will product nitration.

Properties and Applications: black (chromium). Soluble in ethanol. Concentrated sulfuric acid to dark purple, dilution after light brown.

Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
Alkali Acid
ISO 5 5-6 5 4 4-5 5 4-5

List of Suppliers:

Alizarine Fast Black T ( Bayer Group )


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