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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/REAXYS Number:
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

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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S. Ogawa et al.
Zeitschrift fur Lebensmittel-Untersuchung Und -Forschung, 168, 298-298 (1979)
Qiuhua Wu et al.
Colloids and surfaces. B, Biointerfaces, 101, 210-214 (2012-09-27)
A superparamagnetic graphene-Fe(3)O(4) nanocomposite (G/Fe(3)O(4)) was synthesized by a facile one-pot solvothermal method. The nanocomposite G/Fe(3)O(4) prepared by the new method was firstly used as an adsorbent to remove dye for water pollution remediation. In comparison with G/Fe(3)O(4) prepared by
K A Crist et al.
Journal of cellular biochemistry. Supplement, 25, 49-56 (1996-01-01)
Image analysis of tissue biopsies for determination of DNA content as an early marker of neoplasia is hampered by the complexity of corrections necessary to dea with nuclear truncation and overlap in thin sections. The use of confocal laser scanning
L Galassi
Biotechnic & histochemistry : official publication of the Biological Stain Commission, 68(3), 175-179 (1993-05-01)
Formation of crystals in Schiff reagents prepared from SO2 gas previously has been reported either soon after preparation, using high dye concentrations and heating, or after long periods of storage at room temperature. With the first type of procedure only
J A Kiernan
Biotechnic & histochemistry : official publication of the Biological Stain Commission, 79(5-6), 203-210 (2005-03-15)
Hexazonium pararosaniline is a valuable reagent that has been used in enzyme activity histochemistry for 50 years. It is an aqueous solution containing the tris-diazonium ion derived from pararosaniline, an aminotriarylmethane dye, and it contains an excess of nitrous acid
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