Naphthol Yellow S

SIAL/49547 - analytical standard

Synonym: 2,4-Dinitro-1-naphthol-7-sulfonic acid sodium salt; 5,7-Dinitro-8-hydroxy-2-naphthalenesulfonic acid sodium salt; Acid Yellow 1; Flavianic acid sodium salt

CAS Number: 846-70-8
Empirical Formula (Hill Notation): C₁₀H₄N₂Na₂O₈S
Molecular Weight: 358.19
EC Number: 212-690-2
MDL Number: MFCD00003958
Linear Formula: C₁₀H₄N₂Na₂O₈S
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-49547-25MG	25 mg	$168.00 1/EA	Add To Favorites

This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 49547-25MG

Properties
Descriptions
Safety Info.
Basic Data

application(s)	cleaning products cosmetics food and beverages personal care
assay	≥99.0% (HPLC)
format	neat
grade	analytical standard
InChI	1S/C10H6N2O8S.2Na/c13-10-7-3-5(21(18,19)20)1-2-6(7)8(11(14)15)4-9(10)12(16)17;;/h1-4,13H,(H,18,19,20);;/q;2*+1/p-2
InChI key	CTIQLGJVGNGFEW-UHFFFAOYSA-L
Quality Level	100
SMILES string	[Na+].[Na+].[O-]c1c(cc([N+]([O-])=O)c2ccc(cc12)S([O-])(=O)=O)[N+]([O-])=O
technique(s)	gas chromatography (GC): suitable
	HPLC: suitable

Application:	Naphthol Yellow S may be used as an analytical reference standard for the determination of Naphthol Yellow S in: • Foodstuffs by solid phase extraction (SPE) and high performance liquid chromatography (HPLC)-diode array detection (DAD)-ion trap time-of-flight tandem mass spectrometry (IT-TOF-MS³) equipped with multiple reaction monitoring (MRM) detection. • Drinks and candies by SPE followed by analysis using HPLC coupled to photodiode array (PDA) detector. • Wastewater samples by adsorption column chromatography. • Embroideries designed by the famous 19th century French painter Emile Bernard.
Application:	Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
General description:	Naphthol Yellow S is a dye that is known for its hazardous nature.
Packaging:	Bottomless glass bottle. Contents are inside inserted fused cone.
Recommended products:	Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial .

Symbol	GHS07,GHS08
Signal word	Warning
Hazard statements	H317 - H373
Precautionary statements	P280 - P302 + P352 - P314
RIDADR	NONH for all modes of transport
WGK Germany	WGK 3
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	≥99.0% (HPLC)
Colour Index Number	10316
UNSPSC	85151701

To Order From a Quote