Dyecontent90?% , 74543-21-8

Synonym(s):
2-Amino-5-([4-sulfophenyl]azo)benzenesulfonic acid monosodium salt;Acid Yellow 9 monosodium salt

CAS NO.：74543-21-8

Empirical Formula: C12H10N3NaO6S2

Molecular Weight: 379.344

MDL number:

EINECS: 277-916-4

PRODUCT Properties

• storage temp.: room temp
• form: powder
• 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
• λmax: 489 nm
• Major Application: diagnostic assay manufacturing; hematology; histology
• InChI: 1S/2C12H11N3O6S2.2Na/c2*13-11-6-3-9(7-12(11)23(19,20)21)15-14-8-1-4-10(5-2-8)22(16,17)18;;/h2*1-7H,13H2,(H,16,17,18)(H,19,20,21);;/q;;2*+1/p-2/b2*15-14+
• InChIKey: MPOAAHDXCIUENZ-XNDFEMONSA-L
• SMILES: [Na+].[Na+].Nc1ccc(cc1S(O)(=O)=O)\N=N\c2ccc(cc2)S([O-])(=O)=O.Nc3ccc(cc3S([O-])(=O)=O)\N=N\c4ccc(cc4)S(O)(=O)=O

Description and 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.

Safety

• Symbol(GHS): 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
• Storage Class: 11 - Combustible Solids
• Hazard Classifications: Eye Irrit. 2; Skin Irrit. 2