Bromothymol Blue sodium salt
Bromothymol Blue sodium salt (CAS 34722-90-2, C27H27Br2NaO5S) is a pH indicator supplied by Tech Serve Solutions. With a molecular weight of 646.36 g/mol, this reagent is commonly employed in laboratory settings for titrations and as a colourimetric indicator. Its distinct colour change within a specific pH range makes it valuable for analytical chemistry applications. TSS provides this compound for research and general laboratory use.
- IUPAC
- 3′,3′′-dibromothymolsulfonephthalein sodium salt
- Synonyms
- 6,6'-(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis(5,5-dimethyl-2,4-cyclohexadien-1-one) disodium salt (This is a common synonym for the parent compound, often referenced)3′,3′′-dibromothymolsulfonephthalein sodium salt
pH Indicator
Bromothymol Blue sodium salt serves as a reliable pH indicator. It exhibits a colour change from yellow in acidic solutions to blue in alkaline solutions, with a transition range typically between pH 6.0 and 7.6. This makes it suitable for monitoring pH changes in various aqueous systems.
Titration Analysis
This compound is widely used in acid-base titrations to determine the endpoint. Its sharp colour transition allows for accurate detection of neutralisation points in chemical analyses. It is often employed in educational and industrial laboratories.
Biological Stains and Dyes
As indicated by its category, Bromothymol Blue sodium salt can be used in biological applications, including cell biology, hematology, and histology. Its properties as a dye assist in staining procedures for microscopic examination.
| Molecular weight | 646.36 |
|---|---|
| Empirical formula | C27H27Br2NaO5S |
| Grade | ACS reagent |
| Density | 0.99 g/mL at 25 °C(lit.) |
| Concentration | 0.04 wt. % in H2O |
| 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 615 nm |
|---|---|
| Ph Range | 6.0 - 7.6, yellow to blue |
| Synonym | 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 Bromothymol Blue sodium salt used for?
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Bromothymol Blue sodium salt is primarily used as a pH indicator in titrations and other analytical chemistry procedures. It also finds applications as a dye in biological staining for cell biology and histology.
What is the CAS number and formula for Bromothymol Blue sodium salt?
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The CAS number for Bromothymol Blue sodium salt is 34722-90-2. The empirical formula is C27H27Br2NaO5S, with a molecular weight of 646.36 g/mol.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Bromothymol Blue sodium salt in ACS reagent grade. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.
How should Bromothymol Blue sodium salt be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Please consult the Safety Data Sheet for comprehensive handling and hazard information.
Is Bromothymol Blue sodium salt a controlled substance?
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Based on the provided data, Bromothymol Blue sodium salt is not listed as a controlled substance.
How is Bromothymol Blue sodium salt packed, shipped, and exported?
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Tech Serve Solutions carefully packages and ships chemicals globally. Specific packaging and shipping details comply with international regulations for hazardous materials, ensuring safe transit for export.
How can I request a sample or quote for Bromothymol Blue sodium salt?
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To request a sample or a quote, please contact our sales team through the 'Contact Us' section of our website, providing the product name and CAS number (34722-90-2).
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