1.07518
Pyronine G (C.I. 45005)
for microscopy Certistain®
Synonym(s):
Pyronine G (C.I. 45005), (C.I. 45005) for microscopy Certistain®
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About This Item
Empirical Formula (Hill Notation):
C17H19ClN2O
CAS Number:
Molecular Weight:
302.80
EC Index Number:
202-147-8
UNSPSC Code:
41116130
MDL number:
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
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.
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 (λmax; 0.003 g/l; ethanol 50 %): 2340 - 3160
TLC-Test: passes test
Loss on drying (110 °C): ≤ 10 %
Suitability for microscopy: passes test
Identity (UV/VIS-Spectrum): passes test
Absorption maximum λ max (ethanol 50 %): 546 - 551 nm
Spec. Absorptivity A 1%/1cm (λmax; 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
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