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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 Quantity
45-49547-25MG 25 mg
 $168.00
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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

 

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.
Symbol GHS07GHS08  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

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