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Merck
CN

B6008

Ponceau BS

Dye content ~60 %, Powder

Synonym(s):

Acid Red 66, Biebrich scarlet WS, Biebrich scarlet sodium salt

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About This Item

Empirical Formula (Hill Notation):
C22H14N4Na2O7S2
CAS Number:
Molecular Weight:
556.48
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
EC Number:
224-084-5
MDL number:
Colour Index Number:
26905
Beilstein/REAXYS Number:
3883900
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Product Name

Ponceau BS, Dye content ≥55 %

form

powder

Quality Segment

composition

Dye content, ≥55%

technique(s)

microbe id | staining: suitable

color

red to brown

solubility

ethanol: 1 mg/mL, H2O: >30 mg/mL

εmax

≥19000 at 510 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].[Na+].Oc1ccc2ccccc2c1\N=N\c3ccc(cc3S([O-])(=O)=O)\N=N\c4ccc(cc4)S([O-])(=O)=O

InChI

1S/C22H16N4O7S2.2Na/c27-20-12-5-14-3-1-2-4-18(14)22(20)26-25-19-11-8-16(13-21(19)35(31,32)33)24-23-15-6-9-17(10-7-15)34(28,29)30;;/h1-13,27H,(H,28,29,30)(H,31,32,33);;/q;2*+1/p-2/b24-23+,26-25+;;

InChI key

VVAVKBBTPWYADW-RVTJCSDESA-L

Application

Ponceau BS has been used in Masson′s trichrome stain for the staining of collagen. It has also been used for eosinophil staining.

Biochem/physiol Actions

Ponceau BS is used in Masson′s trichrome staining procedure, along with acid fuchsin, for the labeling of collagen and muscle red.


Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)



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