Acid Fuchsin
Acid Fuchsin (CAS: 3244-88-0), with the molecular formula C20H17N3Na2O9S3 and a molecular weight of 585.54, is a vibrant synthetic dye. It is primarily utilized as a biological stain in histology and cell biology for visualizing cellular structures. Its applications extend to hematology, providing differential staining for blood components. This reliable stain is a staple in research laboratories and diagnostic settings for its precise coloration properties.
- IUPAC
- Acid Violet 19,Fuchsin S,Fuchsin acid,Rubine S
- Synonyms
- Acid Violet 19Fuchsin SFuchsin acidRubine S

Histological Staining
Acid Fuchsin is widely employed as a histological stain for microscopic examination of tissue samples. It is particularly effective in visualizing muscle fibers and connective tissues, aiding in pathological diagnosis and biological research.
Cell Biology
In cell biology, this dye serves to differentiate cellular components, allowing for detailed observation of cell morphology and structure. It is used in various staining protocols to highlight specific intracellular elements.
Hematology
Acid Fuchsin is utilized in hematological staining techniques to differentiate various blood cells and their components. This aids in the diagnosis and study of blood-related disorders.
Special Stains
As a versatile stain, Acid Fuchsin is incorporated into numerous special staining procedures, such as Masson's trichrome and Van Gieson's stains, to enhance the visualization of different tissue elements.
| Molecular weight | 585.54 |
|---|---|
| Empirical formula | C20H17N3Na2O9S3 |
| Solubility | H2O: soluble1 mg/mL |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 42685 |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Acid Fuchsin used for?
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Acid Fuchsin (CAS: 3244-88-0) is primarily used as a biological stain in histology, cell biology, and hematology for visualizing cellular and tissue structures. It is also a component in various special staining techniques.
What are the CAS number and formula for Acid Fuchsin?
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The CAS number for Acid Fuchsin is 3244-88-0, and its empirical formula is C20H17N3Na2O9S3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Acid Fuchsin. The specific grade and purity available are typically for research or technical applications. TSS does not represent this product as USP, BP, EP, or pharmacopoeia grade unless explicitly stated otherwise.
How should Acid Fuchsin be handled safely?
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Acid Fuchsin is classified with GHS07 symbol and a 'Warning' signal word. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). When handling, use a dust mask type N95 (US), wear eyeshields, and gloves. Ensure adequate ventilation or use in a fume hood. Avoid breathing dust.
How is Acid Fuchsin packed and shipped?
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Tech Serve Solutions professionally packs and exports Acid Fuchsin in compliance with international shipping regulations for chemicals. Details on specific packaging sizes and export procedures can be provided upon request.
How can I request a sample or quote for Acid Fuchsin?
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To request a sample or a quote for Acid Fuchsin, please contact our sales team through the website or by phone, providing your specific requirements and shipping details.
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