P3750

Pararosaniline hydrochloride

>85.0% (HPLC)

• Synonym(s): Basic Fuchsin, Basic Parafuchsin, Basic Red 9, Magenta^™ O, Parafuchsin hydrochloride, Paramagenta hydrochloride, Pararosaniline chloride
• 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: 24898444
• NACRES: NA.47

Properties

• Quality Level: 200
• assay: >85.0% (HPLC)
• form: powder or crystals
• color: green to very dark green
• mp: 268-270 °C
• solubility: ethanol: 1 mg/mL
• εmax: ≥17000 at 286-292 nm in 50% ethanol at 0.003 g/L; ≥80000 at 543-549 nm in 50% ethanol at 0.003 g/L
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• 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

Description

General description

Pararosaniline is a cationic triarylmethane dye and one of the components of basic fuchsin. It gives a brilliant red color after dyeing polyacrylonitrile fibers.

Application

Pararosaniline hydrochloride has been used:

• to prepare Schiff reagent
• to stain cow endometrial cytology samples
• to counterstain Prussian blue sections of mice brains

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

Safety Information

• pictograms: GHS08
• signalword: Danger
• hcodes: H350
• pcodes: P201 - P202 - P280 - P308 + P313 - P405 - P501
• 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