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76250

Sigma-Aldrich

Pararosaniline hydrochloride

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

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:
4164603
EC Number:
209-321-2
MDL number:
MFCD00001657
UNSPSC Code:
12352200
PubChem Substance ID:
24886964

grade

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

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.
Reagent for the colorimetric determination of sulfite in foods[1]

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

Storage Class Code

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

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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Certificates of Analysis (COA)

Lot/Batch Number
BCBL4000V
BCBJ7085V
BCBH3921V
BCBG9372V
BCBB2243V

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S. Ogawa et al.
Zeitschrift fur Lebensmittel-Untersuchung Und -Forschung, 168, 298-298 (1979)
Jingli Xie et al.
Chemical communications (Cambridge, England), (5)(5), 576-578 (2008-01-23)
Salts of the pararosaniline dye cation and four polyoxometalate cluster anions have been isolated under both ambient and hydrothermal conditions; structural and initial spectroscopic data are consistent with significant perturbation of ion electronic states induced by charge-assisted N-H---O hydrogen bonds.
C.I. basic red 9 monohydrochloride.
Report on carcinogens : carcinogen profiles, 10, 66-67 (2004-08-24)
Sara M Oliveira et al.
Journal of agricultural and food chemistry, 57(9), 3415-3422 (2009-03-25)
A flow system based on the multicommutation concept was developed for the determination of free and total sulfur dioxide in table wines, exploiting gas diffusion separation and spectrophotometric detection. The system allowed the comparison of malachite green and pararosaniline chemistries
Tuba Küçükkilinç et al.
Archives of biochemistry and biophysics, 440(2), 118-122 (2005-07-23)
The inhibitory effects of the cationic triarylmethane (TAM+) dyes, pararosaniline (PR+), malachite green (MG+), and methyl green (MeG+) on human plasma cholinesterase (BChE) were studied at 25 degrees C in 100 mM Mops, pH 8.0, with butyrylthiocholine as substrate. PR+
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