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229385

Sigma-Aldrich

Violamine R

Dye content 60 %

Synonym(s):

Acid Violet 9

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About This Item

Empirical Formula (Hill Notation):
C34H25N2NaO6S
CAS Number:
6252-76-2
Molecular Weight:
612.63
Colour Index Number:
45190
EC Number:
228-377-9
MDL number:
MFCD00050495
UNSPSC Code:
12171500
PubChem Substance ID:
329752359
NACRES:
NA.47

form

powder

composition

Dye content, 60%

solubility

water: 1%

λmax

529 nm

ε (extinction coefficient)

≥27000 at 525-531 nm in water at 0.01 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].Cc1ccccc1Nc2ccc3c(OC4=CC(\C=CC4=C3c5ccccc5C(O)=O)=N\c6ccc(cc6C)S([O-])(=O)=O)c2

InChI

1S/C34H26N2O6S.Na/c1-20-7-3-6-10-29(20)35-22-11-14-27-31(18-22)42-32-19-23(36-30-16-13-24(17-21(30)2)43(39,40)41)12-15-28(32)33(27)25-8-4-5-9-26(25)34(37)38;/h3-19,35H,1-2H3,(H,37,38)(H,39,40,41);/q;+1/p-1/b36-23+;

InChI key

FRCXWIMQWXXKSC-CWWQQMKRSA-M

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Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificates of Analysis (COA)

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G Parisi et al.
Bollettino della Societa italiana di biologia sperimentale, 58(11), 690-694 (1982-06-15)
From the examination of the visible and ultraviolet spectra, together with the excitation and fluorescence spectra of the chromatographically pure samples of rhodamine B, rhodamine 6G and violamine R, it is possible to establish the nature of the chromophores in
G Parisi et al.
Bollettino della Societa italiana di biologia sperimentale, 58(11), 683-689 (1982-06-15)
Rhodamines, commonly used in microscopic studies, are basic dyes derived from xanthene. They have recently been used for the quantitative analysis of important cations, as well as in the vital staining of mitochondria of normal or pathological cells and also

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