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Merck
CN

215945

Pararosaniline acetate

Dye content 90 %

Synonym(s):

Basic Parafuchsin, Basic Red 9, Magenta™ O

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About This Item

Empirical Formula (Hill Notation):
C19H17N3 · C2H4O2
CAS Number:
6035-94-5
Molecular Weight:
347.41
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
24852923
EC Number:
227-918-6
Colour Index Number:
42500
MDL number:
MFCD00012570

Key Documents

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Product Name

Pararosaniline acetate, Dye content 90 %

InChI key

YIXIVOYGLPFDCY-UHFFFAOYSA-N

InChI

1S/C19H17N3.C2H4O2/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;1-2(3)4/h1-12,20H,21-22H2;1H3,(H,3,4)

SMILES string

CC(O)=O.Nc1ccc(cc1)C(\c2ccc(N)cc2)=C3\C=CC(=N)C=C3

form

solid

composition

Dye content, 90%

mp

203 °C (dec.) (lit.)

solubility

95% ethanol: 0.1%

λmax

545 nm

ε (extinction coefficient)

≥11000 at 235-241 nm in ethanol: water (1:1) at 0.004%
≥16000 at 286-292 nm in ethanol: water (1:1) at 0.004%
≥78000 at 543-549 nm in ethanol: water (1:1) at 0.004%

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

Quality Level

200

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Biochem/physiol Actions

Pararosaniline acetate is one of the components of basic fuchsin. It acts as a reversible, linear inhibitor of horse butyrylcholinesterase (BChE).

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

signalword

Warning

hcodes

H351

Hazard Classifications

Carc. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
SHBQ5431
SHBP6808
SHBN6954
MKCM4758
MKCJ1835

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Comparative effects of cationic triarylmethane, phenoxazine and phenothiazine dyes on horse serum butyrylcholinesterase.
Yucel YY
Archives of Biochemistry and Biophysics, 478, 201-205 (2008)
Michael D. Larra?aga, Richard J. Lewis, Robert A. Lewis
Hawley's Condensed Chemical Dictionary (2016)
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
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
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
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