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213519

Sigma-Aldrich

Pyronin Y

certified by the Biological Stain Commission, Dye content 50 %

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Synonym(s):
Pyronin G, Pyronin J
Empirical Formula (Hill Notation):
C17H19ClN2O
CAS Number:
Molecular Weight:
302.80
Colour Index Number:
45005
Beilstein:
3795789
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.47

grade

certified by the Biological Stain Commission

Quality Level

form

powder or crystals

composition

Dye content, 50%

mp

250-260 °C (lit.)

λmax

548 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Cl-].CN(C)c1ccc2C=C3C=C\C(C=C3Oc2c1)=[N+](/C)C

InChI

1S/C17H19N2O.ClH/c1-18(2)14-7-5-12-9-13-6-8-15(19(3)4)11-17(13)20-16(12)10-14;/h5-11H,1-4H3;1H/q+1;/p-1

InChI key

INCIMLINXXICKS-UHFFFAOYSA-M

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1 of 4

This Item
P9172P6892E4382
Pyronin Y certified by the Biological Stain Commission, Dye content 50 %

Sigma-Aldrich

213519

Pyronin Y

Pyronin Y for NA electrophoresis

Sigma-Aldrich

P9172

Pyronin Y

Pyronin B Dye content ≥30 %

Sigma-Aldrich

P6892

Pyronin B

Eosin Y disodium salt certified by the Biological Stain Commission

Sigma-Aldrich

E4382

Eosin Y disodium salt

form

powder or crystals

form

powder

form

powder

form

powder

composition

Dye content, 50%

composition

Dye content, ≥45%

composition

Dye content, ≥30%

composition

Dye content, ≥90%

mp

250-260 °C (lit.)

mp

250-260 °C (lit.)

mp

174-176 °C (lit.)

mp

-

λmax

548 nm

λmax

-

λmax

-

λmax

-

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

-

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

General description

Pyronin Y (C.I. 45005) is an aminoxanthene dye that is present as a weakly lipophilic cation in neutral aqueous solutions. It is also known as pyronine G.

Application

Pyronin Y is commonly used in histology as a constituent of the ethyl (methyl) green-pyronine method for demonstrating DNA and RNA. It is known as a nucleic acid stain for both RNA and DNA. Additionally, it is suitable for other microscopic applications including demonstration of lipofuscin in neurons and simultaneous fixation and staining of phospholipids.

Suitability

Certified for use in the methyl green-pyronin method for differential staining of nucleic acids.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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