Biebrich scarlet (contains ~60% dye content) , Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY
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M-Clarity™ quality level = MQ200

B6008-100G B6008-25G
B6008-100GEA 87.8 GBP
B6008-100G B6008-25G
Biebrich scarlet (contains ~60% dye content) , Sigma-Aldrich®
Biebrich Scarlet

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


  • Dye content ~60%


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

Formula: C₂₂H₁₄N₄Na₂O₇S₂
Storage Temperature: Room Temperature
MDL Number: MFCD00003891
CAS Number: 4196-99-0
EINECS: 224-084-5
https://digitalassets.avantorsciences.com/adaptivemedia/rendition?id=820c7276fdfffe5e825a40d16f1cf7a1958d3cf9&vid=fbf925171c08be21caf5e172f8a7b5f474af892f&prid=web&clid=SAPDAM

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Specification Test Results

Appearance (Colour) Red to Brown
Appearance (Form) Powder
Solubility (Colour) Orange to Red
Solubility (Turbidity), 1 mg/ml, H₂O Clear to Slightly Hazy
Infrared spectrum Conforms to Structure
Carbon ≥22.5%
Nitrogen ≥4.7%
Dye Content ≥55%
EMM, Lambda max 510 nm ≥19000

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