215945

Pararosaniline acetate

Dye content 90 %

• Synonym(s): Basic Parafuchsin, Basic Red 9, Magenta^™ O
• Empirical Formula (Hill Notation): C₁₉H₁₇N₃ · C₂H₄O₂
• CAS Number: 6035-94-5
• Molecular Weight: 347.41
• Colour Index Number: 42500
• EC Number: 227-918-6
• MDL number: MFCD00012570
• UNSPSC Code: 12171500
• PubChem Substance ID: 24852923
• NACRES: NA.47

Properties

• 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
• SMILES string: CC(O)=O.Nc1ccc(cc1)C(\c2ccc(N)cc2)=C3\C=CC(=N)C=C3
• 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)
• InChI key: YIXIVOYGLPFDCY-UHFFFAOYSA-N

Description

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

Safety Information

• Pictograms: GHS08
• Signal Word: Warning
• Hazard Statements: H351
• Precautionary Statements: P201 - P202 - P280 - P308 + P313 - P405 - P501
• Hazard Classifications: Carc. 2
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves