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P3750

Sigma-Aldrich

Pararosaniline hydrochloride

>85.0% (HPLC)

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Synonym(s):
Basic Fuchsin, Basic Parafuchsin, Basic Red 9, Magenta O, Parafuchsin hydrochloride, Paramagenta hydrochloride, Pararosaniline chloride
Linear Formula:
C19H18N3Cl
CAS Number:
Molecular Weight:
323.82
Colour Index Number:
42500
Beilstein/REAXYS Number:
4164603
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.47

Quality Level

assay

>85.0% (HPLC)

form

powder or crystals

color

green to very dark green

mp

268-270 °C

solubility

ethanol: 1 mg/mL

εmax

≥17000 at 286-292 nm in 50% ethanol at 0.003 g/L
≥80000 at 543-549 nm in 50% ethanol at 0.003 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Cl.Nc1ccc(cc1)C(\c2ccc(N)cc2)=C3/C=CC(=N)C=C3

InChI

1S/C19H17N3.ClH/c20-16-7-1-13(2-8-16)19(14-3-9-17(21)10-4-14)15-5-11-18(22)12-6-15;/h1-12,20H,21-22H2;1H

InChI key

JUQPZRLQQYSMEQ-UHFFFAOYSA-N

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This Item
857343P7632215945
Pararosaniline hydrochloride >85.0% (HPLC)

P3750

Pararosaniline hydrochloride

Basic Fuchsin certified by the Biological Stain Commission, Dye content ≥88 %

857343

Basic Fuchsin

Pararosaniline Base crystalline

P7632

Pararosaniline Base

Pararosaniline acetate Dye content 90 %

215945

Pararosaniline acetate

solubility

ethanol: 1 mg/mL

solubility

-

solubility

ethanol: 1 mg/mL, clear to hazy

solubility

95% ethanol: 0.1%

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

form

powder or crystals

form

powder

form

crystalline

form

solid

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

εmax

≥17000 at 286-292 nm in 50% ethanol at 0.003 g/L, ≥80000 at 543-549 nm in 50% ethanol at 0.003 g/L

εmax

-

εmax

-

εmax

-

General description

Pararosaniline is a cationic triarylmethane dye and one of the components of basic fuchsin. It gives a brilliant red color after dyeing polyacrylonitrile fibers.

Application

Pararosaniline hydrochloride has been used:
  • to prepare Schiff reagent
  • to stain cow endometrial cytology samples
  • to counterstain Prussian blue sections of mice brains

Other Notes

This is the pure, principal component of mixtures commonly referred to as Basic Fuchsin.

Legal Information

Magenta is a trademark of Merck KGaA, Darmstadt, Germany

pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

Carc. 1B

Storage Class

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges


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Christopher Layton, John D. Bancroft
Bancroft's Theory and Practice of Histological Techniques,Expert Consult: Online and Print,7: Bancroft's Theory and Practice of Histological Techniques (2013)
A novel cytologic sampling technique to diagnose subclinical endometritis and comparison of staining methods for endometrial cytology samples in dairy cows
O. B> Pascotini
Theriogenology (2015)
Maize Kernels ? Fixation in FAA, Embedding, Sectioning and Feulgen Staining
Ales Kladnik
Bio-protocol, 3(15) (2013)
Human Neural Stem Cell Biodistribution and Predicted Tumor Coverage by a Diffusible Therapeutic in a Mouse Glioma Model
Michael E. Barish
Stem Cells Translational Medicine (2017)
Triarylmethane and Diarylmethane Dyes
Thomas Gessner and Udo Mayer
Ullmann's Encyclopedia of Industrial Chemistry (2000)

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