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Reichardt’s dye

SIAL/272442 - Dye content 90 %

Synonym: 2,6-Diphenyl-4-(2,4,6-triphenyl-1-pyridinio)phenolate; 2,6-Diphenyl-4-(2,4,6-triphenylpyridinio)phenolate

CAS Number: 10081-39-7
Empirical Formula (Hill Notation): C41H29NO
Molecular Weight: 551.68
MDL Number: MFCD00013355
Linear Formula: C41H29NO
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-272442-250MG 250 mg
 $96.20
1/EA		 Add To Favorites
45-272442-1G 1 g
 $301.00
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: 272442-250MG.
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: 272442-1G

 

λmax 306 nm
  551 nm (2nd)
application(s) diagnostic assay manufacturing
hematology
histology
composition Dye content, 90%
form powder
InChI 1S/C41H29NO/c43-41-37(31-18-8-2-9-19-31)28-36(29-38(41)32-20-10-3-11-21-32)42-39(33-22-12-4-13-23-33)26-35(30-16-6-1-7-17-30)27-40(42)34-24-14-5-15-25-34/h1-29H
InChI key UWOVWIIOKHRNKU-UHFFFAOYSA-N
mp 271-275 °C (lit.)
Quality Level 100 
SMILES string [O-]c1c(cc(cc1-c2ccccc2)-[n+]3c(cc(cc3-c4ccccc4)-c5ccccc5)-c6ccccc6)-c7ccccc7
storage temp. room temp
Application: Reichardt’s dye, a solvatochromic betaine dye has been used for the determination of solvent polarity.
General description: Reichardt′s dye belongs to the class of azo merocyanine dyes. Reichardt′s dye, also known as ET(30) or pyridinium N-phenoxyde betaine dye is a highly solvatochromic betaine dye useful for determining solvent polarity effects. It plays an important role as a probe of solvent polarity in biological systems and on surfaces.
Packaging: 1 g in glass bottle
Packaging: 250 mg 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 271-275 °C (lit.)
Storage Temp. room temp
UNSPSC 12171500

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