Direct Brown 44:1
Name:C.I.Direct Brown 44:1,C.I.35010
Molecular Structure: Multi-azo class
Molecular Formula:C38H28N12Na2O6S2
Molecular Weight: 858.82
CAS Registry Number:
Manufacturing Methods : 4-Aminonaphthalene-1-sulfonic acid diazo, its product (2 Moore) and C.I. Basic Brown 1(C.I. 21000) coupled.
Properties and Applications: brown. Soluble in water and ethanol for orange brown. In the light of sulfuric acid is palm black, for yellow brown after diluted. The dye solution to join strong hydrochloric acid for brown, have precipitation; Add thick sodium hydroxide solution for orange brown, have precipitation.
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