Bromoxylenol Blue
Bromoxylenol Blue (CAS: 40070-59-5), with the molecular formula C23H20Br2O5S and a molecular weight of 568.27 g/mol, is a dibrōmophenolsulfonphthalein dye. This indicator grade chemical is primarily utilised in analytical chemistry for pH determination, and in histology and cell biology as a staining agent. Its distinct colour change within a specific pH range makes it a valuable tool in various laboratory applications, including titrations.
- IUPAC
- 3′,3″-Dibromo-p-xylenolsulfonphthalein
- Synonyms
- 3′,3″-Dibromo-p-xylenolsulfonphthalein
pH Indicator
Bromoxylenol Blue serves as a visual indicator for acid-base titrations and general pH monitoring. It exhibits a colour transition from yellow in acidic conditions to blue in alkaline conditions over the pH range of 6.0 to 7.6.
Histological Staining
This compound is employed as a stain in histology and hematology. Its differential staining properties help in visualising cellular structures and tissues under a microscope.
Cell Biology Research
In cell biology, Bromoxylenol Blue can be used for various staining protocols and as a component in cell culture media where pH monitoring is critical.
Analytical Reagent
As a widely used analytical reagent, it aids in chemical analysis and quality control processes where precise pH measurement is required.
| Molecular weight | 568.27 |
|---|---|
| Empirical formula | C23H20Br2O5S |
| Grade | indicator grade |
| Composition | Dye content, 95% |
| Melting point | 218 °C (dec.)(lit.) |
| 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.
| Absorption | λmax 417 nm |
|---|---|
| Ph Range | 6.0 - 7.6, yellow to blue |
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 Bromoxylenol Blue used for?
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Bromoxylenol Blue is used as a pH indicator, in histological and cell biology staining, and as a general analytical reagent for monitoring pH changes in solutions and during titrations.
What are the CAS number and formula for Bromoxylenol Blue?
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The CAS number for Bromoxylenol Blue is 40070-59-5, and its empirical formula is C23H20Br2O5S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Bromoxylenol Blue in indicator grade with a dye content of 95%. We do not represent this product as USP, BP, EP, or for food/pharmaceutical use.
How should Bromoxylenol Blue be handled safely?
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Handle Bromoxylenol Blue with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended for respiratory protection. It has a WGK Germany classification of 3.
How is Bromoxylenol Blue packed and shipped?
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Bromoxylenol Blue is carefully packed to ensure integrity during transport and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations for chemicals.
How can I request a sample or quote for Bromoxylenol Blue?
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To request a sample or a quote for Bromoxylenol Blue, please contact our sales team through the website or directly via email or phone. We will be pleased to assist you.
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