What is Acid fuchsin?
Acid fuchsin, commonly known as fuchsine acid, Acid Violet 19, or C.I. 42685, is a magenta dye characterized by its acidic properties. Its chemical formula is C20H17N3Na2O9S3. It is a synthetic, water-soluble anionic dye and a sodium sulfonate derivative of fuchsine. It is often used as a staining agent in histology, microbiology, and other fields.
Macsen Laboratories is the leading manufacturer and supplier of Acid Fuchsin dye with ISO certification.
| PRODUCT SPECIFICATIONS | |
|---|---|
| Name of Product | Acid fuchsin |
| IUPAC Name | disodium;(3Z)-3-[(4-amino-3-sulfonatophenyl)-(4-amino-3-sulfophenyl)methylidene]-6-imino-5-methylcyclohexa-1,4-diene-1-sulfonate |
| Synonyms | C.I. Acid Violet 19; Fuchsine acid; Acidal fuchsine; Acidal magenta; Acid fuchsine; Acid rosein |
| CAS No | 3244-88-0 |
| Molecular Formula | C20H17N3Na2O9S3 |
| Molecular Weight | 585.5 g/mol |
| Color Index No. | 42685 |
| Pubchem CID | 5464362 |
CHEMICAL PROPERTIES
| SR. No | Criteria | Limit/Specification |
|---|---|---|
| 1 | Appearance (form) | Solid powder |
| 2 | Appearance (color) | Olive to dark olive-green to blue-green |
| 3 | Odor | Odorless |
| 4 | Solubility | Soluble in Water (1 mg/ml) |
| 5 | Loss on drying (at 135°C) | NMT 10% |
Uses
- Acid fuchsin is a commonly employed dye in the fields of histology and microscopy for the purpose of staining cellular nuclei and cytoplasm.
- It is a component of Masson’s trichrome stain and is used to stain connective tissues, including collagen fibers, in biological samples.
- Acid fuchsin may also be used in microbiological research and laboratory experiments for various purposes, including staining microorganisms and studying their growth and behavior.
- It also works as a pH indicator.
FAQs
Q. What are the ingredients in acid fuchsin?
Acid fuchsin is derived from basic fuchsin homologues through the insertion of sulfonic groups.
Q. What color is acid fuchsin stain?
Acid fuchsin stain is typically bright red to magenta in color.
Resources
Biological Stains | Classification, Examples & Uses
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