Phenolphthalein bisphosphate tetrasodium salt
Phenolphthalein bisphosphate tetrasodium salt (CAS 68807-90-9), with the molecular formula C20H12O10P2Na4 and a molecular weight of 566.21, is a vital chemical compound. Utilised primarily in biological and histological staining, it serves as a critical reagent in laboratory settings. Its tetrasodium salt form enhances solubility and stability, making it a preferred choice for specific analytical and diagnostic applications within cell biology and hematology.
- IUPAC
- Phenolphthalein diphosphate tetrasodium salt

Histological Staining
Phenolphthalein bisphosphate tetrasodium salt is employed as a component in staining solutions for histological preparations. It aids in visualising cellular structures and cellular components under microscopic examination.
Hematological Analysis
This compound finds application in hematology for specific diagnostic staining techniques. It helps differentiate and identify various blood cell types and their characteristics.
Enzyme Substrate
As a phosphorylated derivative of phenolphthalein, it can serve as a chromogenic substrate for detecting certain enzyme activities in biological assays.
Cell Biology Research
It is used in cell biology research for applications requiring specific staining or as a reagent in biochemical assays.
| Molecular weight | 566.21 |
|---|---|
| Linear formula | C20H12O10P2Na4 |
| Assay | ~95% |
| Storage temperature | −20°C |
| Impurities tested | Phenolphthalein, none detected5-10% solvent(actual content on label) |
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 Phenolphthalein bisphosphate tetrasodium salt used for?
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Phenolphthalein bisphosphate tetrasodium salt is primarily used in histological and hematological staining techniques, as well as in cell biology research and as a chromogenic substrate for certain enzyme detection assays.
What is the CAS number and formula for Phenolphthalein bisphosphate tetrasodium salt?
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The CAS number is 68807-90-9 and the linear formula is C20H12O10P2Na4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Phenolphthalein bisphosphate tetrasodium salt with an assay of approximately 95%. This product is a technical or research grade material and is not represented as USP, BP, or EP.
What are the safety and handling considerations for Phenolphthalein bisphosphate tetrasodium salt?
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This compound is classified under WGK Germany 3, indicating a high hazard to water. Handle with appropriate personal protective equipment in a well-ventilated area, avoiding contact with skin, eyes, and clothing. Consult the Safety Data Sheet (SDS) for detailed information.
How is Phenolphthalein bisphosphate tetrasodium salt packaged and shipped?
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Phenolphthalein bisphosphate tetrasodium salt is typically stored at -20°C. It is carefully packaged to ensure stability during transport and is exported globally by Tech Serve Solutions.
How can I request a quote or sample?
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To request a quote or obtain a sample of Phenolphthalein bisphosphate tetrasodium salt, please contact our sales team through the website or by phone. We are happy to assist with your specific requirements.
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