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tetrasodium 3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)azo-4,1-phenylenecarbonylimino]]bis[5-sulphonatosalicylate]

tetrasodium 3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)azo-4,1-phenylenecarbonylimino]]bis[5-sulphonatosalicylate] structure

CAS No.: 6420-28-6

Chemical Name:: tetrasodium 3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)azo-4,1-phenylenecarbonylimino]]bis[5-sulphonatosalicylate]

Synonyms: C.I.29020;C.I.Direct Yellow 33;Direct yellow 33 (C.I. 29020);C.I.Direct Yellow 33:C.I.29020;tetrasodium 3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)azo-4,1-phenylenecarbonylimino]]bis[5-sulphonatosalicylate];3,3'-[Carbonylbis[imino(2-methyl-4,1-phenylene)azo-4,1-phenylenecarbonylimino]]bis[2-hydroxy-5-sulfobenzoic acid]tetrasodium salt;Benzoic acid,3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)-2,1-diazenediyl-4,1-phenylenecarbonylimino]]bis[2-hydroxy-5-sulfo-,sodium salt (1:4);tetrasodium,5-[4-[2-[3-[[3-[2-[4-[(5-carboxylato-6-oxo-3-sulfonatocyclohexa-2,4-dien-1-ylidene)carbamoyl]phenyl]hydrazinyl]-2-methylphenyl]carbamoylamino]-2-methylphenyl]hydrazinyl]benzoyl]imino-6-oxo-3-sulfonatocyclohexa-1,3-diene-1-carboxylate

CBNumber:: CB1884258

Molecular Formula:: C43H30N8Na4O15S2

Molecular Weight:: 1054.83198

MDL Number:

MOL File:: 6420-28-6.mol

Last updated:2025-12-31 14:38:37

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tetrasodium 3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)azo-4,1-phenylenecarbonylimino]]bis[5-sulphonatosalicylate] Properties

EPA Substance Registry System	Benzoic acid, 3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)azo-4,1-phenylenecarbonylimino]]bis[2-hydroxy-5-sulfo-, tetrasodium salt (6420-28-6)

SAFETY

Risk and Safety Statements

TSCA	TSCA listed

tetrasodium 3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)azo-4,1-phenylenecarbonylimino]]bis[5-sulphonatosalicylate] Chemical Properties, Uses, Production

Preparation

2-Hydroxy-3-(4-aminobenzamido)-5-sulfobenzoic aciddiazo, and a couplingm-Toluidine, then the light gasification.

Properties and Applications

red light yellow. Soluble in water for golden yellow, not soluble in alcohol. The strong sulfuric acid for quality in red, Gray light purple for diluted. The dye solution to join strong hydrochloric acid purple black sediment: add thick sodium hydroxide solution for gold orange, used for the cellulose fibre, silk dyeing, paper color.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	3	4	6	3-4		3

tetrasodium 3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)azo-4,1-phenylenecarbonylimino]]bis[5-sulphonatosalicylate] Preparation Products And Raw materials

Raw materials

m-Toluidine 3-[(4-aminobenzoyl)amino]-5-sulphosalicylic acid

Preparation Products

tetrasodium 3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)azo-4,1-phenylenecarbonylimino]]bis[5-sulphonatosalicylate] Suppliers

Global Suppliers ( 1)

Supplier	Tel	Email	Country	ProdList	Advantage
Shaanxi Dideu Medichem Co. Ltd	+86-29-87569262 +86-15003564040	1056@dideu.com	China	3970	58

Supplier	Advantage
Shaanxi Dideu Medichem Co. Ltd	58

6420-28-6 (tetrasodium 3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)azo-4,1-phenylenecarbonylimino]]bis[5-sulphonatosalicylate]) Related Search:

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tetrasodium 3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)azo-4,1-phenylenecarbonylimino]]bis[5-sulphonatosalicylate] Direct yellow 33 (C.I. 29020) 3,3'-[Carbonylbis[imino(2-methyl-4,1-phenylene)azo-4,1-phenylenecarbonylimino]]bis[2-hydroxy-5-sulfobenzoic acid]tetrasodium salt C.I.29020 C.I.Direct Yellow 33 tetrasodium,5-[4-[2-[3-[[3-[2-[4-[(5-carboxylato-6-oxo-3-sulfonatocyclohexa-2,4-dien-1-ylidene)carbamoyl]phenyl]hydrazinyl]-2-methylphenyl]carbamoylamino]-2-methylphenyl]hydrazinyl]benzoyl]imino-6-oxo-3-sulfonatocyclohexa-1,3-diene-1-carboxylate C.I.Direct Yellow 33:C.I.29020 Benzoic acid,3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)-2,1-diazenediyl-4,1-phenylenecarbonylimino]]bis[2-hydroxy-5-sulfo-,sodium salt (1:4) 6420-28-6