ChemicalBook >> CAS DataBase List >>tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate

tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate

tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate structure

CAS No.: 2118-39-0

Chemical Name:: tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate

Synonyms: CI 27755;BLACK7984;BLACK NO.2;Ccris 7487;Einecs 218-326-9;C.I.Food Black 2;Black 7984 technical grade;C.I.Food Black 2:C.I.27755;2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-[[7-sulfo-4-[(4-sulfophenyl)azo]-1-naphthalenyl];Tetrasodium 6-amino-4-hydroxy-3-((7-sulfo-4-((4-sulfophenyl)azo)-1-naphthalen- yl)azo-2,7-naphthalenedisulfonate)

CBNumber:: CB7900525

Molecular Formula:: C26H20N5NaO13S4

Molecular Weight:: 761.7

MDL Number:: MFCD02752594

MOL File:: 2118-39-0.mol

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

Product description	Number	Pack Size	Price
Black7984technicalgrade	B593175	25mg	$715
BLACK NO 2 95.00%	DYE0002462	5MG	$498.33
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tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate Properties

Cosmetics Ingredients Functions	COLORANT
LogP	0.917 (est)
FDA UNII	4SA5S34DWJ
EPA Substance Registry System	2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-[[7-sulfo-4-[(4-sulfophenyl)azo]-1-naphthalenyl]azo]-, tetrasodium salt (2118-39-0)

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Risk and Safety Statements

TSCA	TSCA listed

tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TRC	B593175	Black7984technicalgrade	2118-39-0	25mg	$715	2021-12-16	Buy
American Custom Chemicals Corporation	DYE0002462	BLACK NO 2 95.00%	2118-39-0	5MG	$498.33	2021-12-16	Buy

Product number	Packaging	Price	Buy
B593175	25mg	$715	Buy
DYE0002462	5MG	$498.33	Buy

tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate Chemical Properties,Uses,Production

Uses

Black 7984 is an azo dye.

Properties and Applications

2-Aminobenzenesulfonic acid diazo, and 8-Aminonaphthalene-2-sulfonic acid coupling, product to diazo, in alkaline conditions and 23-Hydroxynaphthalene-2,7-disulfonic acid coupling.

tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate Preparation Products And Raw materials

Raw materials

Preparation Products

tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate Suppliers

Global( 31)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28172	58
GIHI CHEMICALS CO.,LIMITED	+86-571-86217390; +8618058761490	info@gihichemicals.com	China	49944	58
HANGZHOU LEAP CHEM CO., LTD.	+86-571-87711850	market18@leapchem.com	China	43339	58
Shanghai Acmec Biochemical Technology Co., Ltd.	+86-18621343501; +undefined18621343501	product@acmec-e.com	China	33326	58
SHANGHAI KEAN TECHNOLOGY CO., LTD.	+8613817748580	cooperation@kean-chem.com	China	40066	58
Shanghai BeiZhuo Biotech Co., Ltd.	021-61119791,13386096464	bzswkf@foxmail.com	China	3921	50
Shanghai JONLN Reagent Co., Ltd.	400-0066400 13621662912	422131432@qq.com	China	9979	55
Alfa Chemistry	1-516-6625404	support@alfa-chemistry.com	United States	9171	60
Shanghai BaiShun Biological Technology Co., Ltd	021-37581181	sales@chem-mall.com	China	10330	58
Rhawn Reagent	400-400-1332688 18019345275	amy@rhawn.cn	China	14948	58

Supplier	Advantage
Hubei Jusheng Technology Co.,Ltd.	58
GIHI CHEMICALS CO.,LIMITED	58
HANGZHOU LEAP CHEM CO., LTD.	58
Shanghai Acmec Biochemical Technology Co., Ltd.	58
SHANGHAI KEAN TECHNOLOGY CO., LTD.	58
Shanghai BeiZhuo Biotech Co., Ltd.	50
Shanghai JONLN Reagent Co., Ltd.	55
Alfa Chemistry	60
Shanghai BaiShun Biological Technology Co., Ltd	58
Rhawn Reagent	58

2118-39-0(tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate)Related Search:

1-Naphthylamine-7-sulfonic acid 4-PHENYLAZO-1-NAPHTHYLAMINE tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate

tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate CI 27755 2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-7-sulfo-4-(4-sulfophenyl)azo-1-naphthalenylazo-, tetrasodium salt BLACK NO.2 BLACK7984 6-Amino-4-hydroxy-3-[[7-sulfo-4-[(4-sulfophenyl)azo]-1-naphtyl]azo]-2,7-naphthalenedisulfonic acid tetrasodium salt C.I.Food Black 2 2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-((7-sulfo-4-((sulfophenyl)azo)-1-naphthalenyl- )azo)-, tetrasodium salt 2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-(2-(7-sulfo-4-(2-(4-sulfophenyl)diazenyl)-1-naphthalenyl)diazenyl)-, sodium salt (1:4) Ccris 7487 Einecs 218-326-9 Tetrasodium 6-amino-4-hydroxy-3-((7-sulfo-4-((4-sulfophenyl)azo)-1-naphthalen- yl)azo-2,7-naphthalenedisulfonate) tetrasodium,(3E)-6-amino-4-oxo-3-[[7-sulfinato-4-[(4-sulfonatophenyl)diazenyl]naphthalen-1-yl]hydrazinylidene]naphthalene-2,7-disulfonate Black 7984 technical grade C.I.Food Black 2:C.I.27755 2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-[[7-sulfo-4-[(4-sulfophenyl)azo]-1-naphthalenyl] 2118-39-0 C26H15N5Na4O13S4 Organics