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P1528

Sigma-Aldrich

Pararosaniline hydrochloride

certified by the Biological Stain Commission

Synonym(s):

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

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About This Item

Linear Formula:
C19H18N3Cl
CAS Number:
569-61-9
Molecular Weight:
323.82
Colour Index Number:
42500
Beilstein/REAXYS Number:
4164603
EC Number:
209-321-2
MDL number:
MFCD00001657
UNSPSC Code:
12171500
PubChem Substance ID:
24898215

grade

certified by the Biological Stain Commission

composition

Dye content, ≥88%

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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Other Notes

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

Suitability

Certified for use in acid-fast staining procedures utilizing carbol-fuchsin; Endo medium; as Schiff′s reagent in the Periodic Acid Schiff (PAS) and Feulgen techniques; Gomori′s aldehyde fuchsin method for pancreatic B cells and hepatitis B surface antigen.

Legal Information

Magenta is a trademark of Merck KGaA, Darmstadt, Germany

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H350

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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Certificates of Analysis (COA)

Lot/Batch Number
MKBC9510V
MKBM1396V
MKBK3333V
MKBC9510
MKBB3775

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Determination of formaldehyde in indoor air by a solid sorbent technique.
P E Georghiou et al.
IARC scientific publications, (109)(109), 251-255 (1993-01-01)
Basic red 9 monohydrochloride.
Report on carcinogens : carcinogen profiles, 12, 59-60 (2011-08-13)
G Vinitha et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 68(1), 1-5 (2006-12-13)
Solid-state dye-doped polymers are attractive alternative to the conventional liquid dye solutions. In this paper, nonlinear properties of the dye Pararosanilin has been studied. The third-order nonlinear optical properties of Pararosanilin dye in 1-butanol and dye-doped polymer film were measured
L Galassi et al.
European journal of histochemistry : EJH, 39(4), 321-324 (1995-01-01)
Crystals were prepared by adding 0.04 M sulfuric acid to a Schiff's reagent made with 2.5 g pararosaniline (PR) chloride dissolved in a saturated SO2 solution. Elemental analysis of the crystals gave the composition C19H21N3S2O7.4H2O which corresponds to the sulfate
Ozden Tacal et al.
Journal of biochemical and molecular toxicology, 18(5), 253-256 (2004-11-19)
The formation of colorless adducts by four cationic triarylmethane dyes (TAM(+)s), methyl green (MeG(+)), malachite green (MG(+)), pararosaniline (PR(+)), and crystal violet (CV(+)) was studied spectrophotometrically at 25 degrees C, in 50 mM 3-(N-morpholino)propanesulfonic acid (MOPS) buffer (pH 8), by
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