Crystal Ponceau 6R

SIGMA/C0644 - Dye content ≥70 %

Synonym: Acid Red 44; Brilliant Crystal Scarlet; Crystal Scarlet; Ponceau 6R

CAS Number: 2766-77-0
Empirical Formula (Hill Notation): C₂₀H₁₂N₂Na₂O₇S₂
Molecular Weight: 502.43
EC Number: 220-441-4
MDL Number: MFCD00013279
Linear Formula: C₂₀H₁₂N₂Na₂O₇S₂
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-C0644-5G	5 g	$92.20 1/EA	Add To Favorites

ATR-IR Spectra for Acid Red 44.

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: C0644-5G

Properties
Descriptions
Safety Info.
Basic Data

ε_max	≥300 at 508-512 nm in water
application(s)	diagnostic assay manufacturing hematology histology
composition	Dye content, ≥70%
form	powder
InChI	1S/C20H14N2O7S2.2Na/c23-17-9-8-13-10-14(30(24,25)26)11-18(31(27,28)29)19(13)20(17)22-21-16-7-3-5-12-4-1-2-6-15(12)16;;/h1-11,23H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b22-21+;;
InChI key	FUGCXLNGEHFIOA-ZPZFBZIMSA-L
mp	>300 °C (lit.)
Quality Level	100
SMILES string	[Na+].[Na+].Oc1ccc2cc(cc(c2c1N=Nc3cccc4ccccc34)S([O-])(=O)=O)S([O-])(=O)=O
solubility	water: soluble 10 mg/mL, dark red
storage temp.	room temp
technique(s)	microbe id \| staining: suitable

Application:	Crystal Ponceau 6R has been used in the MSB (martius yellow–crystal scarlet–methyl blue) staining procedure for the staining of collagen fibers and erythrocytes.
Biochem/physiol Actions:	Crystal Ponceau 6R is mainly used in the MSB (martius yellow–crystal scarlet–methyl blue) staining procedure for the staining of connective tissue and fibrin.
Packaging:	5 g in glass bottle

RIDADR	NONH for all modes of transport
WGK Germany	WGK 3
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

mp	>300 °C (lit.)
Storage Temp.	room temp
Colour Index Number	16250
UNSPSC	12171500

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