C.I. Acid Yellow 9 | CAS#2706-28-7 | Azo dye

MedKoo Cat#: 464225 | Name: C.I. Acid Yellow 9

Description:

WARNING: This product is for research use only, not for human or veterinary use.

C.I. Acid Yellow 9 is an azo dye. It can be used for polyamide, vinegar fiber, silk dyeing, leather, and paper color. The aluminum salt can be used as the ink, soap, resin and biological shading.

Chemical Structure

C.I. Acid Yellow 9

CAS#2706-28-7

Theoretical Analysis

MedKoo Cat#: 464225

Name: C.I. Acid Yellow 9

CAS#: 2706-28-7

Chemical Formula: C12H9N3Na2O6S2

Exact Mass: 400.9728

Molecular Weight: 401.32

Elemental Analysis: C, 35.91; H, 2.26; N, 10.47; Na, 11.46; O, 23.92; S, 15.98

Price and Availability

This product is currently not in stock but may be available through custom synthesis. To ensure cost efficiency, the minimum order quantity is 1 gram. The estimated lead time is 2 to 4 months, with pricing dependent on the complexity of the synthesis (typically high for intricate chemistries). Quotes for quantities below 1 gram will not be provided. To request a quote, please click the button below. Note: If this product becomes available in stock in the future, pricing will be listed accordingly.

Bulk Inquiry

Related CAS #

No Data

Synonym

C.I. Acid Yellow 9; NSC 7568; NSC7568; NSC-7568; Acid Yellow 9;

IUPAC/Chemical Name

sodium (E)-2-amino-5-((4-sulfonatophenyl)diazenyl)benzenesulfonate

InChi Key

FPVGTPBMTFTMRT-NSKUCRDLSA-L

InChi Code

InChI=1S/C12H11N3O6S2.2Na/c13-11-6-3-9(7-12(11)23(19,20)21)15-14-8-1-4-10(5-2-8)22(16,17)18;;/h1-7H,13H2,(H,16,17,18)(H,19,20,21);;/q;2*+1/p-2/b15-14+;;

SMILES Code

Nc1c(S(=O)([O-])=O)cc(/N=N/c2ccc(S(=O)([O-])=O)cc2)cc1.[Na+].[Na+]

Appearance

Solid powder

Purity

>98% (or refer to the Certificate of Analysis)

Shipping Condition

Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition

Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility

To be determined

Shelf Life

>2 years if stored properly

Drug Formulation

To be determined

Stock Solution Storage

0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code

2934.99.9001

More Info

Instruction

View handling instruction

	Solvent	mg/mL	mM
Solubility
	To be determined	0.0	0.00

Note: There can be variations in solubility for the same chemical from different vendors or different batches from the same vendor. The following factors can affect the solubility of the same chemical: solvent used for crystallization, residual solvent content, polymorphism, salt versus free form, degree of hydration, solvent temperature. Please use the solubility data as a reference only. Warming and sonication will facilitate dissolving. Still have questions? Please contact our Technical Support scientists.

Preparing Stock Solutions

The following data is based on the product molecular weight 401.32 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Concentration / Solvent Volume / Mass	1 mg	5 mg	10 mg
1 mM	1.15 mL	5.76 mL	11.51 mL
5 mM	0.23 mL	1.15 mL	2.3 mL
10 mM	0.12 mL	0.58 mL	1.15 mL
50 mM	0.02 mL	0.12 mL	0.23 mL

1: Fernández C, Callao MP, Larrechi MS. Kinetic analysis of C.I. Acid Yellow 9 photooxidative decolorization by UV-visible and chemometrics. J Hazard Mater. 2011 Jun 15;190(1-3):986-92. doi: 10.1016/j.jhazmat.2011.04.037. Epub 2011 Apr 15. PMID: 21550715. 2: Fernández C, Callao MP, Larrechi MS. Kinetic analysis of C.I. Acid Yellow 9 photooxidative decolorization by UV-visible and chemometrics. J Hazard Mater. 2011 Jun 15;190(1-3):986-92. doi: 10.1016/j.jhazmat.2011.04.037. Epub 2011 Apr 15. PMID: 21550715. 3: Vanerková D, Sakalis A, Holcapek M, Jandera P, Voulgaropoulos A. Analysis of electrochemical degradation products of sulphonated azo dyes using high- performance liquid chromatography/tandem mass spectrometry. Rapid Commun Mass Spectrom. 2006;20(19):2807-15. doi: 10.1002/rcm.2656. PMID: 16941542.