Fuchsin (acid) for tissue, stain, Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY

Synonyms: Rubin S, CN DcR-8, Acid Violet 19, Acid Fuchsin, Acid Fuchsin sodium salt, Fuchsin S, CI 42685, Acid Magenta, 3-(1-(4-Amino-3-methyl-5-sulphonatophenyl)-1-(4-amino-3-sulphonatophenyl)methylene)cyclohexa-1,4-dienesulphonic acid, Benzenesulphonic acid, 2-amino-5-[(4-amino-3-sulphophenyl)(4-imino-3-sulpho-2,5-cyclohexadien-1-ylidene)methyl]-3-methyl-, sodium salt (1:2)

M-Clarity™ quality level = MQ200

F8129-100G F8129-25G F8129-50G F8129-100G F8129-25G F8129-50G
F8129-100GEA 353 EUR
F8129-100G F8129-25G F8129-50G SIALF8129-100G SIALF8129-25G SIALF8129-50G
Fuchsin (acid) for tissue, stain, Sigma-Aldrich®
Fuchsin (acid)

Acid Fuchsin is mainly used as a diachrome and is part of the connective tissue stains. It also works as a pH indicator.


  • Acid Fuchsin has been used in tissue sections for Masson's trichrome staining
  • It has been used as a marker to trace ingestion of solutions by green peach aphids

Formula: C₂₀H₁₇N₃Na₂O₉S₃
MW: 585,55 g/mol
Melting Pt: > 130 °C
Storage Temperature: Room Temperature
MDL Number: MFCD00013286
CAS Number: 3244-88-0
EINECS: 221-816-5
Merck Index: 12,00109
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Specification Test Results

Appearance (Form) Powder
Solubility (Colour) Red
Solubility (Turbidity)
4 mg + 4 ml, H₂O
Clear
Nitrogen 4.3 - 7.2 %
Recommended Retest Period 4 years
% Dye content
(approx. 70%)
≥60 %

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