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1.15927

Ponceau S (C.I. 27195)

for microscopy Certistain®

Synonym(s):

Ponceau S (C.I. 27195)

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About This Item

Empirical Formula (Hill Notation):
C22H12N4Na4O13S4
CAS Number:
6226-79-5
Molecular Weight:
760.57
EC Index Number:
228-319-2
UNSPSC Code:
41116130
MDL number:
MFCD00003892
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Quality Level

400

form

solid

composition

Dye, ≥80% spectrophotometric assay

pH

9.0 (20 °C, 10 g/L in H2O)

solubility

10 g/L

bulk density

660 kg/m3

εmax

460-600 at 517-523 nm in water at 0.01 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

2-30°C

InChI

1S/C22H16N4O13S4.4Na/c27-22-20(43(37,38)39)10-12-9-16(41(31,32)33)6-7-17(12)21(22)26-25-18-11-14(3-8-19(18)42(34,35)36)24-23-13-1-4-15(5-2-13)40(28,29)30;;;;/h1-11,25H,(H,28,29,30)(H,31,32,33)(H,34,35,36)(H,37,38,39);;;;/q;4*+1/p-4/b24-23?,26-21-;;;;

InChI key

LZYGEJPERQQCIY-STNZDNLRSA-J

General description

The dry dye Ponceau S (C.I. 27195) for microscopy Certistain®, is used for the preparation of a staining solution for staining connective tissue in histological sections of human origin.
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. For more details, please see instructions for use (IFU). The IFU can be downloaded from this webpage.

Analysis Note

Dye content (spectrophotometrically): ≥ 80 %
Identity
- sodium:
passes test
- UV/VIS-Spectrum: passes test
Absorption maximum λ max (water): 517 - 523 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.01 g/l; water): 460 - 600
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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Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_c

Not applicable

Regulatory Information

监管及禁止进口产品

This item has

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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