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2429-83-6
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CHLORAZOL BLACK LF
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NSC73417;black3embl;erieblackrb;erieblackrf;erieblackrw;erieblackrx;diazoblackrw;directblackk;directblackr;paperblackrw
CBNumber:
CB8375317
???:
C35H30N9NaO7S2
??? ??:
775.79
MOL ??:
2429-83-6.mol

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TSCA TSCA listed
?? ?? ??? 2429-83-6(Hazardous Substances Data)

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4-(4-Aminophenyl)benzenamine double nitriding, first with aniline diazo,In alkaline conditions with 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling monoazo compound obtained under acidic conditions in the coupling, then and 4-Methylbenzene-1,3-diamine coupling.

Properties and Applications

black. water-soluble ash light black,, and adequate soluble in ethanol (for blue-ray grey) and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid in the dark for the light blue, red red after diluted sauce to black precipitation; In nitric acid solution for brown (not completely); In strong hydrochloric acid for wine solution (not completely).
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 3 3 2 3
AATCC 3 3 4 3 2

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