1.07518

Pyronine G (C.I. 45005)

for microscopy Certistain^®

• Sinónimos: Pyronine G (C.I. 45005), (C.I. 45005) for microscopy Certistain^®
• Fórmula empírica (notación de Hill): C₁₇H₁₉ClN₂O
• Número de CAS: 92-32-0
• Peso molecular: 302.80
• MDL number: MFCD00011725
• UNSPSC Code: 41116130
• EC Index Number: 202-147-8

Propiedades

• form: crystals
• composition: Dye, ≥75% spectrophotometric assay
• mp: 250-260 °C
• εmax: 2340-3160 at 546-551 nm in 50% ethanol at 0.003 g/L
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: 2-30°C
• InChI: 1S/C17H19N2O.ClH/c1-18(2)14-7-5-12-9-13-6-8-15(19(3)4)11-17(13)20-16(12)10-14;/h5-11H,1-4H3;1H/q+1;/p-1
• InChI key: INCIMLINXXICKS-UHFFFAOYSA-M

Descripción

General description

Pyronine G (C.I. 45005) is a Certistain dry dye for DNA and RNA staining in methyl green-pyronine G staining in histological sections. It is also described as a dye for staining RNA and DNA.
As 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.

Analysis Note

Dye content (spectrophotometrically): ≥ 75 %
Identity (UV/VIS-Spectrum): passes test
Absorption maximum λ max (ethanol 50 %): 546 - 551 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.003 g/l; ethanol 50 %): 2340 - 3160
TLC-Test: passes test
Loss on drying (110 °C): ≤ 10 %
Suitability for microscopy: passes test

Legal Information

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