Purpurin
Purpurin (CAS: 81-54-9, C14H8O5) is a hydroxyanthraquinone derivative, appearing as a crystalline powder. It functions as a nuclear stain, particularly valued in histological applications for its ability to colour cell nuclei. With a molecular weight of 256.21 g/mol, Purpurin is a key reagent in biological staining techniques, enabling detailed microscopic examination of cellular structures. Its specific chromatic properties make it suitable for various laboratory diagnostic and research procedures.
- IUPAC
- 1,2,4-Trihydroxyanthraquinone
- Synonyms
- 1,2,4-Trihydroxyanthraquinone
Histological Staining
Purpurin serves as an effective nuclear stain in histological preparations. It allows for the differential staining of cell nuclei, facilitating the identification and study of tissue morphology under microscopy. Its application is crucial in diagnostic pathology and biological research.
Cell Biology Research
As a stain, Purpurin is employed in cell biology to visualise nuclear components. This aids in the study of cellular processes, differentiation, and the effects of various treatments on cell nuclei. Its use supports fundamental biological investigations.
Hematology Studies
Within hematology, Purpurin can be utilised in staining techniques to examine blood cell nuclei. This contributes to the accurate identification and classification of blood cells in laboratory settings and research.
| Molecular weight | 256.21 |
|---|---|
| Empirical formula | C14H8O5 |
| Impurities tested | 1-3% DMF |
| Application | Nuclear stain in histology |
| Melting point | 253-256 °C(lit.) |
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 |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| 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 | 58205 |
|---|---|
| Absorption | λmax 515 nmλmax 521 nm (2nd) |
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 Purpurin primarily used for?
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Purpurin (CAS: 81-54-9) is primarily used as a nuclear stain in histology and cell biology for visualising cell nuclei in microscopic preparations.
What are the CAS number and formula for Purpurin?
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The CAS number for Purpurin is 81-54-9 and its empirical formula is C14H8O5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Purpurin (CAS: 81-54-9) at a purity suitable for laboratory research and staining applications. Specific assay details are available on the product's Certificate of Analysis. This product is not represented as USP, BP, or EP grade.
How should Purpurin be handled safely?
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Purpurin (CAS: 81-54-9) may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including a dust mask (N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation. Avoid breathing dust.
How is Purpurin packed and shipped?
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Purpurin is carefully packed in accordance with international shipping regulations for chemical reagents. Tech Serve Solutions exports globally, ensuring compliance with all necessary documentation and safety standards for safe and efficient delivery.
How can I request a sample or quote for Purpurin?
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To request a sample or a quotation for Purpurin (CAS: 81-54-9), please contact our sales team directly through the Tech Serve Solutions website or by calling our customer service line. Please provide your contact details and desired quantity.
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