Coomassie Violet R200
Coomassie Violet R200 (CAS: 4129-84-4) is a synthetic organic compound with the molecular formula C41H44N3NaO6S2 and a molecular weight of 761.92 g/mol. It functions as a vital stain, widely employed in biological and histological applications. Its vibrant colour and binding properties make it suitable for various visualisation techniques in cell biology and haematology, facilitating the study of cellular structures and tissues. It is an integral component in many laboratory staining protocols.
- IUPAC
- Acid violet 17

Cell Biology Staining
Coomassie Violet R200 is utilised as a stain in cell biology for visualising cellular components. Its ability to bind to cellular structures aids in microscopic examination and analysis of cell morphology.
Histological Tissue Staining
In histology and haematology, this dye serves for staining tissue sections. It helps in differentiating various tissue elements and cellular structures, supporting diagnostic and research purposes.
Laboratory Reagent
As a versatile laboratory reagent, Coomassie Violet R200 is a key component in various staining kits and protocols. It is essential for routine laboratory procedures requiring precise visualisation.
| Molecular weight | 761.92 |
|---|---|
| Empirical formula | C41H44N3NaO6S2 |
| 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 | 42650 |
|---|---|
| Absorption | λmax 545 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 Coomassie Violet R200 used for?
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Coomassie Violet R200 is primarily used as a stain in cell biology, histology, and haematology for visualising cellular structures and tissue components. It serves as a general laboratory reagent for various staining protocols.
What is the CAS number and molecular formula for Coomassie Violet R200?
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The CAS number for Coomassie Violet R200 is 4129-84-4, and its molecular formula is C41H44N3NaO6S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Coomassie Violet R200 primarily as a technical or research grade reagent. We do not represent this product as meeting USP, BP, or EP pharmacopoeial standards. For specific purity requirements, please contact our sales team.
How should Coomassie Violet R200 be handled safely?
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Handling Coomassie Violet R200 requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The compound is classified with WGK Germany 3, indicating a high hazard to water.
How is Coomassie Violet R200 packed and shipped?
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Coomassie Violet R200 is carefully packed to ensure integrity during transit and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations for chemical substances.
How can I request a quote or sample for Coomassie Violet R200?
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To request a quote or a sample of Coomassie Violet R200, please contact the Tech Serve Solutions sales department via our website or direct email, providing your specific requirements.
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