Congo Red

SIAL/75768 - analytical standard

Synonym: Congo Red 4B; Cosmos Red; Cotton Red B; Cotton Red C; Direct Red 28; Direct Red R; Direct Red Y

CAS Number: 573-58-0
Empirical Formula (Hill Notation): C₃₂H₂₂N₆Na₂O₆S₂
Molecular Weight: 696.66
EC Number: 209-358-4
MDL Number: MFCD00004028
Linear Formula: C₃₂H₂₂N₆Na₂O₆S₂
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-75768-25MG	25 mg	$142.00 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: 75768-25MG

Properties
Descriptions
Safety Info.
Basic Data

application(s)	cleaning products cosmetics environmental food and beverages personal care
assay	≥97.0% (HPLC)
format	neat
grade	analytical standard
InChI	1S/C32H24N6O6S2.2Na/c33-31-25-7-3-1-5-23(25)29(45(39,40)41)17-27(31)37-35-21-13-9-19(10-14-21)20-11-15-22(16-12-20)36-38-28-18-30(46(42,43)44)24-6-2-4-8-26(24)32(28)34;;/h1-18H,33-34H2,(H,39,40,41)(H,42,43,44);;/q;2*+1/p-2/b37-35+,38-36+;;
InChI key	IQFVPQOLBLOTPF-HKXUKFGYSA-L
mp	>360 °C (lit.)
Quality Level	100
SMILES string	[Na+].[Na+].Nc1c(cc(c2ccccc12)S([O-])(=O)=O)N=Nc3ccc(cc3)-c4ccc(cc4)N=Nc5cc(c6ccccc6c5N)S([O-])(=O)=O
technique(s)	gas chromatography (GC): suitable
	HPLC: suitable

Application:	Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
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	GHS08
Signal word	Danger
Hazard statements	H350 - H361d
Precautionary statements	P201 - P202 - P280 - P308 + P313 - P405 - P501
Hazard Codes	T
Risk Statements	45-63-36
Safety Statements	53-45
RIDADR	NONH for all modes of transport
WGK Germany	WGK 3

Purity	≥97.0% (HPLC)
mp	>360 °C (lit.)
Colour Index Number	22120
UNSPSC	85151701

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