Ponceau S, high purity

Supplier: VWR Chemicals
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Synonyms: CI 271953-Hydroxy-4-((2-sulpho-4-((4-sulphophenyl)diazenyl)phenyl)diazenyl)naphthalene-2,7-disulphonic acid, tetrasodium salt3-Hydroxy-4-(2-sulpho-4-[4-sulphophenylazo]phenylazo)-2,7-naphthalenedisulphonic acid sodium saltPonceau

0860-100GEA 274 GBP
0860-100G 0860-50G 0860-500G
Ponceau S, high purity
Ponceau S

A substitute for acid fuschin in Van Gieson stain. Also used for staining proteins after electrophoresis.

Formula: C₂₂H₁₂N₄Na₄O₁₃S₄
MW: 760.56 g/mol
Storage Temperature: Ambient
MDL Number: MFCD00003892
CAS Number: 6226-79-5
EINECS: 228-319-2

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Specification Test Results

DNase none detected
Em (520 nm, Water) ≥27000
Loss on drying ≤6%
Protease none detected
RNase none detected
Solubility (0.1%, Water) pass

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