Alizarin
Alizarin (CAS: 72-48-0; C14H8O4) is a vibrant organic compound with a molecular weight of 240.21 g/mol. Known for its intense red colour, it functions as a versatile biological stain. Historically significant as a natural dye, Alizarin is now primarily utilised in laboratory settings for histological and cell biology applications, particularly in staining tissues and cells to aid in microscopic examination and diagnosis.
- IUPAC
- 1,2-Dihydroxyanthraquinone,Mordant Red 11
- Synonyms
- 1,2-DihydroxyanthraquinoneMordant Red 11
Biological Staining
Alizarin is widely employed as a biological stain in hematology and histology. It is particularly useful for demonstrating calcium in bone and tissues, providing crucial visual information for diagnostic purposes.
Cell Biology Research
In cell biology, Alizarin serves as a valuable dye for visualisation and analysis. Its differential staining properties help researchers differentiate cellular structures and monitor biological processes.
Histological Preparations
This compound is a key reagent in preparing histological slides. It aids in the differential staining of various tissue components, enhancing their visibility under microscopy.
| Molecular weight | 240.21 |
|---|---|
| Empirical formula | C14H8O4 |
| Application | Biological stain |
| Melting point | 279-283 °C(lit.) |
Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, 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 | 58000 |
|---|---|
| Absorption | λmax 567 nm (2nd)λmax 609 nm |
| Synonym | 10.1 - 12.1, red to violet (alkaline)5.5 - 6.8, yellow to red (acid) |
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 Alizarin used for?
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Alizarin (CAS: 72-48-0) is primarily used as a biological stain in hematology, histology, and cell biology for visualizing tissues and cellular components, notably for demonstrating calcium.
What are the CAS number and formula for Alizarin?
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The CAS number for Alizarin is 72-48-0, and its empirical formula is C14H8O4.
What grade and purity does Tech Serve Solutions supply for Alizarin?
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Tech Serve Solutions supplies Alizarin at a technical/research grade. We do not represent this product as meeting USP, BP, or EP pharmacopoeial standards.
What are the safety considerations when handling Alizarin?
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Alizarin is classified with a GHS07 symbol and a 'Warning' signal word, carrying hazard statements H302 (Harmful if swallowed) and H319 (Causes serious eye irritation). Appropriate personal protective equipment, including eyeshields, faceshields, gloves, and a suitable respirator filter, is essential during handling. It is assigned a WGK Germany rating of 3, indicating a high hazard to water.
How is Alizarin packed, shipped, and exported by TSS?
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Tech Serve Solutions, as a specialist global supplier and exporter, ensures Alizarin is appropriately packaged for safe transit and complies with international shipping regulations.
How can I request a sample or quote for Alizarin?
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To request a sample or obtain a quote for Alizarin, please contact our sales department through the details provided on the Tech Serve Solutions website.
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