Skip to Content
Merck
All Photos(3)

Documents

P3750

Sigma-Aldrich

Pararosaniline hydrochloride

>85% purity (HPLC), powder

Synonym(s):

Basic Fuchsin, Basic Parafuchsin, Basic Red 9, Magenta™ O, Parafuchsin hydrochloride, Paramagenta hydrochloride, Pararosaniline chloride

Sign Into View Organizational & Contract Pricing
All Photos(3)

About This Item

Linear Formula:
C19H18N3Cl
CAS Number:
569-61-9
Molecular Weight:
323.82
Colour Index Number:
42500
Beilstein:
4164603
EC Number:
209-321-2
MDL number:
MFCD00001657
UNSPSC Code:
12171500
PubChem Substance ID:
24898444
NACRES:
NA.47

product name

Pararosaniline hydrochloride, >85.0% (HPLC)

Quality Level

200

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

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
GHS08

Signal Word

Danger

Hazard Statements

H350

Hazard Classifications

Carc. 1B

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Sorry, we don't have COAs for this product available online at this time.

If you need assistance, please contact Customer Support.

Already Own This Product?

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

Visit the Document Library

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)
Maize Kernels ? Fixation in FAA, Embedding, Sectioning and Feulgen Staining
Ales Kladnik
Bio-protocol, 3(15) (2013)
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)
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service