1.04171
Nuclear fast red (C.I. 60760)
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Informacje o tej pozycji
Wzór empiryczny (zapis Hilla):
C14H8NNaO7S
Numer CAS:
Masa cząsteczkowa:
357.27
NACRES:
NA.21
MDL number:
UNSPSC Code:
12171500
form
solid
Quality Segment
composition
Dye, ≥90% spectrophotometric assay
pH
5.5-7.0 (20 °C, 1 g/L in H2O)
solubility
1 g/L
bulk density
400‑450 kg/m3
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
2-30°C
InChI
1S/C14H9NO7S.Na/c15-9-7-8(12(18)14(13(9)19)23(20,21)22)11(17)6-4-2-1-3-5(6)10(7)16;/h1-4,18-19H,15H2,(H,20,21,22);/q;+1/p-1
InChI key
IFSXZLJQEKGQAF-UHFFFAOYSA-M
General description
Nuclear fast red (C.I. 60760) for microscopy Certistain®, is a dry dye for microscopy that is often used for staining nuclei in sample material of human origin. Depending on user requirements and personal preferences, it can be used for the preparation of a Nuclear fast red staining solution. It is commonly used for counterstaining in histochemical reactions, e.g. in Berlin blue staining for detection of iron or in silver plating of reticulin fibers, as well as nuclear staining with Alcian blue. As the dye belongs to the portfolio of Certistain® dyes, it is chemically analyzed according to strict specifications before release and a high staining quality, with reliable staining results is guaranteed.
Application
for microscopy Certistain®
Analysis Note
Dye content (spectrophotometrically): ≥ 90 %
Identity
- sodium:
passes test
- UV/VIS-Spectrum: passes test
Absorption maximum λ 1 (Dimethyl sulfoxide): 557 - 559 nm
Absorption maximum λ 2 (Dimethyl sulfoxide): 520 - 522 nm
Spec. Absorptivity A 1%/1cm
- λ1max; 0.02 g/l; dimethyl sulphoxide:
380 - 422
- λλ2max; 0.02 g/l; Dimethyl sulphoxide: 383 - 426
TLC-Test: passes test
Loss on drying (110 °C): ≤ 5 %
Suitability for microscopy: passes test
Identity
- sodium:
passes test
- UV/VIS-Spectrum: passes test
Absorption maximum λ 1 (Dimethyl sulfoxide): 557 - 559 nm
Absorption maximum λ 2 (Dimethyl sulfoxide): 520 - 522 nm
Spec. Absorptivity A 1%/1cm
- λ1max; 0.02 g/l; dimethyl sulphoxide:
380 - 422
- λλ2max; 0.02 g/l; Dimethyl sulphoxide: 383 - 426
TLC-Test: passes test
Loss on drying (110 °C): ≤ 5 %
Suitability for microscopy: passes test
Legal Information
CERTISTAIN is a registered trademark of Merck KGaA, Darmstadt, Germany
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Klasa składowania
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
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