Thymolphthalein
Thymolphthalein (CAS: 125-20-2), with the molecular formula C28H30O4 and a molecular weight of 430.54 g/mol, is a triarylmethane dye widely recognised for its use as a pH indicator. It exhibits a colourless state in acidic solutions and turns blue in alkaline conditions, making it valuable in various analytical and laboratory settings for determining pH changes.
- IUPAC
- 5′,5′′-Diisopropyl-2′,2′′-dimethylphenolphthalein
pH Indicator
Thymolphthalein serves as a pH indicator, transitioning from colourless below pH 8.2 to a distinct blue colour above pH 9.8. This property is essential for titrations and general acid-base investigations in chemical analysis.
Laboratory Reagent
As a laboratory reagent, it is employed in various analytical procedures where precise pH monitoring is required. Its well-defined colour change facilitates accurate measurements and observations in research and educational environments.
Histology and Cell Biology
Within histology and cell biology, Thymolphthalein may be utilised in specific staining protocols. Its application in these fields often relates to differentiating cellular structures or observing biological processes sensitive to pH variations.
| Molecular weight | 430.54 |
|---|---|
| Empirical formula | C28H30O4 |
| Melting point | 251-253 °C(lit.) |
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 Thymolphthalein primarily used for?
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Thymolphthalein is primarily used as a pH indicator, showing a colourless to blue transition in alkaline conditions, and as a general laboratory reagent.
What are the CAS number and chemical formula for Thymolphthalein?
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The CAS number for Thymolphthalein is 125-20-2, and its chemical formula is C28H30O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Thymolphthalein typically as a technical or research grade. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards unless explicitly stated in the product specifications.
What are the safety considerations when handling Thymolphthalein?
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Safety information, including specific hazards and handling precautions, should always be consulted from the Safety Data Sheet (SDS) before use. Users should wear appropriate personal protective equipment.
How is Thymolphthalein packed and shipped?
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Thymolphthalein is carefully packed to ensure its integrity during transit and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations.
How can I request a sample or quote for Thymolphthalein?
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To request a sample or obtain a quotation for Thymolphthalein, please contact our sales team via the website or direct inquiry, providing your specific requirements.
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