Skip to Content
Merck
CN

Key Documents

View All Documentation

272442

Reichardt′s dye

Dye content 90 %

Synonym(s):

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

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C41H29NO
CAS Number:
10081-39-7
Molecular Weight:
551.68
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
24856472
MDL number:
MFCD00013355
Beilstein/REAXYS Number:
1444580
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

form

powder

Quality Segment

100

composition

Dye content, 90%

technique(s)

titration: suitable

mp

271-275 °C (lit.)

λmax

306 nm, 551 nm (2nd)

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[O-]c1c(cc(cc1-c2ccccc2)-[n+]3c(cc(cc3-c4ccccc4)-c5ccccc5)-c6ccccc6)-c7ccccc7

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

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.

Application

Reichardt’s dye, a solvatochromic betaine dye has been used for the determination of solvent polarity.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
SHBT4545
SHBS5368
SHBQ8359
SHBN2356
MKCL8021

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Related Content

C. Reichardt
Pure and Applied Chemistry. Chimie Pure Et Appliquee, 80, 1415-1415 (2008)
Yu Chen et al.
Analytica chimica acta, 1034, 128-136 (2018-09-09)
In this work, a paper-based optoelectronic sensor (paper-nose) is presented for sensing volatile gases in air. The proposed optoelectronic sensor is a combination of both colorimetric (optical) and chemiresistive (electronic) sensor arrays in order to improve the selectivity of the
Beatrice Swensson et al.
Polymers, 12(6) (2020-06-12)
To further understand cellulose-solvent interactions in aqueous hydroxide solutions, cellulose behavior in aqueous solutions of NaOH combined with tetramethylammonium hydroxide (TMAH) or benzyltrimethylammonium hydroxide (Triton B), as well as urea, was investigated. The rheological properties of the solutions were assessed
View All Related Papers

Global Trade Item Number

SKUGTIN
272442-250MG04061826144275
272442-1G04061826144268