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83200

Sigma-Aldrich

Pyronin Y

for microscopy (Bot., Fl., Hist.)

Synonym(s):

Pyronin G, Pyronin J

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About This Item

Empirical Formula (Hill Notation):
C17H19ClN2O
CAS Number:
92-32-0
Molecular Weight:
302.80
Colour Index Number:
45005
Beilstein:
3795789
EC Number:
202-147-8
MDL number:
MFCD00011725
UNSPSC Code:
12171500
PubChem Substance ID:
57652949
NACRES:
NA.47

grade

for microscopy (Bot., Fl., Hist.)

Quality Level

100

mp

250-260 °C (lit.)

solubility

water: 0.01 g/10 mL, red

εmax

≥1650 at 543-553 nm in 50% ethanol
≥650 at 249-259 nm in 50% ethanol

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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Biochem/physiol Actions

Pyronin Y is important in histochemistry and is combined with methyl green for staining of RNA. The mixture results in bright red/green 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

Certificates of Analysis (COA)

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