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B6008

Sigma-Aldrich

Ponceau BS

Dye content ~60 %

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Synonym(s):
Acid Red 66, Biebrich scarlet WS, Biebrich scarlet sodium salt
Empirical Formula (Hill Notation):
C22H14N4Na2O7S2
CAS Number:
Molecular Weight:
556.48
Colour Index Number:
26905
Beilstein:
3883900
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.47

form

powder

Quality Level

composition

Dye content, ~60%

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

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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 Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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