Acid Violet 5
Acid Violet 5 (CAS: 10130-48-0) is a synthetic organic dye with the empirical formula C25H20N4Na2O10S3 and a molecular weight of 678.62 g/mol. It is primarily employed as a histological stain and in cell biology for various staining procedures. The dye exhibits an absorption maximum at 527 nm, contributing to its vivid colouration properties in biological samples and research applications.

Histological Staining
Acid Violet 5 serves as a differential stain in histology, enabling the visualisation of cellular structures and tissues. Its specific staining properties assist in differentiating various components within biological samples for microscopic examination.
Cell Biology Research
In cell biology, this dye is utilised for staining cells and subcellular components. It aids in observing cell morphology, nuclear structures, and other cellular features essential for research studies.
Dye and Stain Applications
As a Colour Index (C.I.) number 18125 dye, Acid Violet 5 finds application in scientific and laboratory settings where specific coloration is required. It is a valuable reagent for staining protocols in research and diagnostics.
| Molecular weight | 678.62 |
|---|---|
| Empirical formula | C25H20N4Na2O10S3 |
| Melting point | 240 °C (dec.)(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 18125 |
|---|---|
| Absorption | λmax 527 nm |
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 Violet 5 used for?
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Acid Violet 5 is primarily used as a histological stain for visualising cellular structures and tissues in cell biology and hematology. It is also generally used as a laboratory reagent in staining protocols.
What are the CAS number and formula for Acid Violet 5?
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The CAS number for Acid Violet 5 is 10130-48-0, and its empirical formula is C25H20N4Na2O10S3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Acid Violet 5 typically as a technical or research grade. The specific assay or purity is available on the Certificate of Analysis. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards unless explicitly stated.
How should Acid Violet 5 be handled safely?
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Handle Acid Violet 5 with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if airborne exposure is possible. The compound is classified under WGK 2 in Germany, indicating potential hazard to water.
Is Acid Violet 5 a controlled substance?
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The provided data does not indicate that Acid Violet 5 is a controlled substance.
How is Acid Violet 5 packed and shipped?
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Acid Violet 5 is carefully packed to ensure safe transit and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations for chemical compounds.
How can I request a quote or sample of Acid Violet 5?
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To request a quote or a sample of Acid Violet 5, please contact our sales team through the website or by phone, providing your specific requirements.
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