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Key Documents

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:
Molecular Weight:
323.82
Colour Index Number:
42500
Beilstein:
4164603
EC Number:
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:
Pricing and availability is not currently available.

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

Signal Word

Danger

Hazard Statements

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH Annex XVII (Restriction List)

CAS No.

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Certificates of Analysis (COA)

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S. Ogawa et al.
Zeitschrift fur Lebensmittel-Untersuchung Und -Forschung, 168, 298-298 (1979)
C.I. Basic Red 9 monohydrochloride.
Report on carcinogens : carcinogen profiles, 11, III66-III67 (2004-01-01)
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
M E Baker et al.
The Analyst, 119(5), 959-961 (1994-05-01)
The colorimetric indicator pararosaniline has been immobilized onto the cation-exchange resins Amberlite IRC-50, Dowex 50W-X8 and cellulose phosphate by electrostatic bonding. The reflectance of each reagent phase was measured using a bifurcated fibre-optic system and a flow cell. Pararosaniline immobilized
Hai-yan Xiang et al.
Guang pu xue yu guang pu fen xi = Guang pu, 22(6), 1051-1053 (2003-08-14)
The method is based on the enhancement effect of the resonance light-scattering (RLS) of pararosaniline by DNA. In the pH rang of 0.5-1.5, the enhanced intensity of pararosaniline RLS at 355 nm is proportional to the concentration of DNA in

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