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
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 |
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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