C.I. Direct Black 13

C.I. Direct Black 13 structure

CAS No.: 71902-05-1

Chemical Name:: C.I. Direct Black 13

Synonyms: Direct Black 13;C.I. Direct Black 13;C.I.Direct Black 13:C.I.30025

CBNumber:: CB54756737

Molecular Formula:

Molecular Weight:: 0

MDL Number:

MOL File:: Mol file

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C.I. Direct Black 13 Chemical Properties,Uses,Production

Preparation

4-Nitrobenzenamine diazo, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, 4-Nitrobenzenamine diazo, in alkaline conditions and the synthesis product matches, will be one of the nitro reduction, again diazo, and Benzene-1,3-diamine coupling.

Properties and Applications

black. The strong sulfuric acid for green light gray, brown after dilute the precipitation; In nitric acid solution for brown. The dye solution to join hydrochloric acid solution for dark purple, precipitation; Sodium hydroxide solution to join the same color.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	3-4	5	3	2		3-4

C.I. Direct Black 13 Preparation Products And Raw materials

Raw materials

8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate m-Phenylenediamine 4-Nitroaniline

Preparation Products

71902-05-1(C.I. Direct Black 13)Related Search:

Direct Black 159 Direct Black 150 2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4'-[2-(1-amino-5-sulfo-2-naphthalenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:3) 2,7-Naphthalenedisulfonic acid, 5-amino-3-[[4'-[[7-(ethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, trisodium salt disodium 4-amino-3-[[4-[(2-amino-4-hydroxyphenyl)azo]phenyl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate

Direct Black 154 2-Naphthalenesulfonic acid, 6-[[4-amino-6(or 7)-sulfo-1-naphthalenyl]azo]-3-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-4-hydroxy-, disodium salt C.I. Direct Black 151 4-Amino-6-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-5-hydroxy-3-[(4-nitrophenyl)azo]-2,7-naphthalenedisulfonic acid trisodium salt

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C.I. Direct Black 13 Direct Black 13 C.I.Direct Black 13:C.I.30025 71902-05-1