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Product Description
Bromothymol Blue Sulfone Form
Application Notes
Bromothymol Blue (BTB) is a pH indicator (pKa approx. 7.1) that is used as a biological slide vital stain to define cell walls or nuclei under the microscope. BTB is also a component of several bacterial growth and detection substrates such as cystine lactose electrolyte deficient (CLED/BROLACIN); polymyxin pyruvate egg yolk mannitol bromothymol blue (PEMBA) and MacConkey agar.
Usage Statement
Unless specified otherwise, MP Biomedical's products are for research or further manufacturing use only, not for direct human use. For more information, please contact our customer service department.
Key Applications
Biological slide vital stain
Specifications
| SKU | 02101130-CF |
| Alternate Names | 3′,3″-Dibromothymolsulfonphthalein; Bromothymol Blue; BTB |
| Application Notes | Bromothymol Blue (BTB) is a pH indicator (pKa approx. 7.1) that is used as a biological slide vital stain to define cell walls or nuclei under the microscope. BTB is also a component of several bacterial growth and detection substrates such as cystine lactose electrolyte deficient (CLED/BROLACIN); polymyxin pyruvate egg yolk mannitol bromothymol blue (PEMBA) and MacConkey agar. |
| Base Catalog Number | 101130 |
| Beilstein Registry Number | 373934 |
| CAS # | 76-59-5 |
| EC Number | 200-971-2 |
| Format | Powder |
| Grade | ACS grade |
| Molecular Formula | C27H28Br2O5S |
| Molecular Weight | 624.384 g/mol |
| Personal Protective Equipment | Eyeshields, Gloves, Respirator filter |
| RTECS Number | SJ7450000 |
| Usage Statement | Unless specified otherwise, MP Biomedical's products are for research or further manufacturing use only, not for direct human use. For more information, please contact our customer service department. |
| UV Visible Absorbance | λmax 420 nm (methanol) (Lit.) |
Documents
Certificate of Analysis (COA)
![MP COA [101130] lot ID: M6295](https://www.mpbio.com/static/version1744790984/frontend/Mpbio/default/en_US/images/document.png "MP COA [101130] lot ID: M6295")
Safety Data Sheets
English (United States)