1.15924

Nigrosine (C.I. 50420)

water-soluble for microscopy Certistain^®

• Synonym(e): Nigrosine (C.I. 50420)
• CAS-Nummer: 101357-32-8
• MDL-Nummer: MFCD02179199
• UNSPSC-Code: 41116130
• EG-Index-Nummer: 309-930-4

Eigenschaften

• Qualitätsniveau: 400
• Form: solid
• pH-Wert: 10 (20 °C, 10 g/L in H₂O)
• Löslichkeit: 10 g/L
• Schüttdichte: 750 kg/m³
• εmax: 200-300 at 570-580 nm in 50% ethanol at 0.025 g/L
• Anwendung(en): diagnostic assay manufacturing; hematology; histology
• Lagertemp.: 2-30°C

Beschreibung

Allgemeine Beschreibung

The dry dye Nigrosin (C.I. 50420) water-soluble for microscopy Certistain^®, is used for the preparation of a staining solution for the visualization of capsule (negative capsule staining) in bacteriological material of human origin. As a Certistain^® dye it is chemically quality-certified according to highest standards and strict specifications. As an IVD product and CE registered, it can be used hassle-free in diagnostics and laboratory accreditations. For more details, please see instructions for use (IFU). The IFU can be downloaded from this webpage.

Hinweis zur Analyse

Identität
- Natrium:
entspricht
- UV/VIS-Spektrum: entspricht
Absorptionsmaximum λ max. (Ethanol 50 %): 570 - 580 nm
Spez. Extinktion E1%/1cm (λ_max; 0.025 g/l; Ethanol 50 %): 200 - 300
DC-Prüfung: entspricht
Trocknungsverlust (110 °C): ≤ 15 %
Eignung für die Mikroskopie: entspricht

Rechtliche Hinweise

CERTISTAIN is a registered trademark of Merck KGaA, Darmstadt, Germany

Sicherheitshinweise

• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 3
• Flammpunkt (°C): Not applicable