Benzenesulfonic acid, 3,5-bis[(2,4-diamino-5-nitrophenyl)azo]-4-methyl-, monosodium salt

Benzenesulfonic acid, 3,5-bis[(2,4-diamino-5-nitrophenyl)azo]-4-methyl-, monosodium salt structure

CAS No.: 6441-67-4

Chemical Name:: Benzenesulfonic acid, 3,5-bis[(2,4-diamino-5-nitrophenyl)azo]-4-methyl-, monosodium salt

Synonyms: Direct Yellow 25;C.I.Direct Yellow 25:C.I.21510;Benzenesulfonic acid, 3,5-bis[(2,4-diamino-5-nitrophenyl)azo]-4-methyl-, monosodium salt

CBNumber:: CB84772367

Molecular Formula:: C19H17N10NaO7S

Molecular Weight:: 552.45585

MDL Number:

MOL File:: 6441-67-4.mol

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Benzenesulfonic acid, 3,5-bis[(2,4-diamino-5-nitrophenyl)azo]-4-methyl-, monosodium salt Chemical Properties,Uses,Production

Preparation

3,5-Diamino-4-methylbenzenesulfonic acid double nitriding,and 4-Nitrobenzene-1,3-diamine (2 Moore) coupled.

Properties and Applications

red light yellow. Soluble in water for yellow light brown. The strong sulfuric acid for brown, after diluted brown precipitation. The dye solution to join strong hydrochloric acid for brown, have precipitation; Add sodium hydroxide have soluble brown precipitation.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	4	4	1	2		2

Benzenesulfonic acid, 3,5-bis[(2,4-diamino-5-nitrophenyl)azo]-4-methyl-, monosodium salt Preparation Products And Raw materials

Raw materials

4-Nitro-1,3-phenylenediamine 2,6-Diaminotoluene-4-sulfonic acid

Preparation Products

6441-67-4(Benzenesulfonic acid, 3,5-bis[(2,4-diamino-5-nitrophenyl)azo]-4-methyl-, monosodium salt)Related Search:

Direct Yellow 19 Direct Yellow 20 Direct Yellow 24 Direct Yellow 176 C.I. Direct Yellow 21

DIRECT YELLOW 2 Direct Yellow 173 sodium 6-methyl-2'-[4-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo]phenyl][2,6'-bibenzothiazole]-7-sulphonate 6-Benzothiazolecarboxylic acid, 2-[4-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo]phenyl]-7-sulfo-, disodium salt

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Benzenesulfonic acid, 3,5-bis[(2,4-diamino-5-nitrophenyl)azo]-4-methyl-, monosodium salt Direct Yellow 25 C.I.Direct Yellow 25:C.I.21510 6441-67-4