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sodium hydrogen 4-aminoazobenzene-3,4'-disulphonate

CAS No.
74543-21-8
Chemical Name:
sodium hydrogen 4-aminoazobenzene-3,4'-disulphonate
Synonyms
Hydrogen 4-aminoazobenzene-3;Acid Yellow 9 monosodium salt;4'-disulphonate (sodium salt);Acid Yellow 9 monosodium salt, 10 mM in DMSO;sodium hydrogen 4-aminoazobenzene-3,4'-disulphonate;4-Aminoazobenzene-3,4'-disulfonicacid,monosodiumsalt;Sodium 2-amino-5-((4-sulfophenyl)diazenyl)benzenesulfonate;Hydrogen 4-aminoazobenzene-3,4'-disulphonate (sodium salt);4-AMino-1,1′-azobenzene-3,4′-disulfonic acid MonosodiuM salt;2-Amino-5-([4-sulfophenyl]azo)benzenesulfonic acid monosodium salt
CBNumber:
CB2940007
Molecular Formula:
C12H12N3NaO6S2
Molecular Weight:
381.35
MDL Number:
MFCD03411548
MOL File:
74543-21-8.mol
MSDS File:
SDS
Last updated:2025-10-10 07:26:42
Product description Number Pack Size Price
4-Amino-1,1′-azobenzene-3,4′-disulfonic acid monosodium salt Dye content 95% 250309 25g $213
4-Amino-1,1′-azobenzene-3,4′-disulfonic acid monosodium salt Dye content 95% 250309 100g $817
4-Aminoazobenzene-3,4'-disulfonicacid,monosodiumsalt K272 100g $1229
4-Amino-1,1-azobenzene-3,4-disulfonicacidmonosodiumsalt,≥95%(Dyecontent),suitableforHematology&Histology ≥95%(Dyecontent) 41858 25G $192.19

sodium hydrogen 4-aminoazobenzene-3,4'-disulphonate Properties

storage temp. room temp
form powder
λmax 489 nm
ε(extinction coefficient) 11438 at 489nm in 0.1 M HCl at 0.01g/L
15302 at 385nm in 1 M HCl at 0.01g/L
UNSPSC Code 12171500
NACRES NA.47

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319
Precautionary statements  P264-P280-P302+P352-P305+P351+P338-P332+P313-P337+P313
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26
WGK Germany  3

sodium hydrogen 4-aminoazobenzene-3,4'-disulphonate price More Price(4)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 250309 4-Amino-1,1′-azobenzene-3,4′-disulfonic acid monosodium salt Dye content 95% 74543-21-8 25g $213 2023-06-20 Buy
Sigma-Aldrich 250309 4-Amino-1,1′-azobenzene-3,4′-disulfonic acid monosodium salt Dye content 95% 74543-21-8 100g $817 2023-06-20 Buy
AK Scientific K272 4-Aminoazobenzene-3,4'-disulfonicacid,monosodiumsalt 74543-21-8 100g $1229 2021-12-16 Buy
Chem-Impex 41858 4-Amino-1,1-azobenzene-3,4-disulfonicacidmonosodiumsalt,≥95%(Dyecontent),suitableforHematology&Histology ≥95%(Dyecontent) 74543-21-8 25G $192.19 2021-12-16 Buy
Product number Packaging Price Buy
250309 25g $213 Buy
250309 100g $817 Buy
K272 100g $1229 Buy
41858 25G $192.19 Buy

sodium hydrogen 4-aminoazobenzene-3,4'-disulphonate Chemical Properties,Uses,Production

Uses

4-Amino-1,1′-azobenzene-3,4′-disulfonic acid monosodium salt has been used as a control to study the influence of aromatic substitution patterns on azo dye degradability by Streptomyces spp and the fungus Phanerochaete chrysosporium.

General Description

4-Amino-1,1′-azobenzene-3,4′-disulfonic acid monosodium salt, also called as acid yellow 9, belongs to the class of azo dyes.

sodium hydrogen 4-aminoazobenzene-3,4'-disulphonate Preparation Products And Raw materials

Raw materials

Preparation Products

sodium hydrogen 4-aminoazobenzene-3,4'-disulphonate Suppliers

Global( 33)Suppliers
Supplier Tel Email Country ProdList Advantage
TargetMol Chemicals Inc.
+1-781-999-5354; +17819995354 marketing@targetmol.com United States 32435 58
Alfa Chemistry
+1-5166625404; Info@alfa-chemistry.com United States 20405 58
Hangzhou MolCore BioPharmatech Co.,Ltd.
+86-057181025280; +8617767106207 sales@molcore.com China 49734 58
HANGZHOU LEAP CHEM CO., LTD.
+86-571-87711850 market18@leapchem.com China 43339 58
DAYANG CHEM (HANGZHOU) CO.,LTD
+86-88938639 +86-17705817739 info@dycnchem.com China 53900 58
Energy Chemical 021-021-58432009 400-005-6266 sales8178@energy-chemical.com China 44734 61
Zaozhuang Benefit Chemical Co., Ltd. 0531-69958783 15508681609 1948129184@qq.com China 204 60
Sigma-Aldrich 021-61415566 800-8193336 orderCN@merckgroup.com China 51395 80
Alfa Chemistry 1-516-6625404 support@alfa-chemistry.com United States 9171 60
Nanjing Meihao Pharmaceutical Technology Co., Ltd. meitaochem@126.com meitaochem@126.com China 19103 58

View Lastest Price from sodium hydrogen 4-aminoazobenzene-3,4'-disulphonate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Acid Yellow 9 monosodium salt pictures 2025-10-10 Acid Yellow 9 monosodium salt
74543-21-8
US $29.00 / mg 99.64% 10g TargetMol Chemicals Inc.
2-Amino-5-([4-sulfophenyl]azo)benzenesulfonic acid monosodium salt Acid Yellow 9 monosodium salt sodium hydrogen 4-aminoazobenzene-3,4'-disulphonate 4-AMino-1,1′-azobenzene-3,4′-disulfonic acid MonosodiuM salt Hydrogen 4-aminoazobenzene-3,4'-disulphonate (sodium salt) Benzenesulfonic acid,2-amino-5-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:1) Sodium 2-amino-5-((4-sulfophenyl)diazenyl)benzenesulfonate 4'-disulphonate (sodium salt) Hydrogen 4-aminoazobenzene-3 inhibit,Acid Yellow 9 monosodium salt,Inhibitor,Acid Yellow 9 monosodium 4-Aminoazobenzene-3,4'-disulfonicacid,monosodiumsalt 4-Amino-1,1'-azobenzene-3,4'-disulfonic acid monosodium salt (technical grade) Acid Yellow 9 monosodium salt, 10 mM in DMSO 4-Amino-1,1'-azobenzene-3,4'-disulfonic acid monosodium salt (technical grade) 74543-21-8