Plot No. C40, Road No. 21Y, MIDC, Wagle Industrial Estate, Thane(W)-400604, MH, India
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Bromothymol blue
SKU:
MB196
Availability:
In stock
Currently out of stock — you can still place your order, and the quantity will be fulfilled on backorder.
Only %1 left
As low as
$7.00
CAS Number :
76-59-5
Molecular Formula :
C₂₇H₂₈Br₂O₅S
Bromothymol blue is a sulfonphthalein dye that changes color in response to fluctuations in hydrogen ion concentration. This pH Indicator facilitates a clear Colorimetric Transition for a Microbial Respiration Molecular Diagnostic and metabolic activity assay.
| CAS No. | 76-59-5 |
|---|---|
| EC No. | 200-971-2 |
| Molecular Formula | C27H28Br2O5S |
| Molecular Weight | 624.38 |
| HS Code | 2934 99 90 |
| Storage | Below 30°C |
| Shelf life | 4 years |
Technical Specification
| Appearance | Cream to pink to brown or purple crystals or powder or solid |
|---|---|
| Solubility | 20 ppm in ethanol yields clear solution |
| DNases | None detected |
| RNases | None detected |
| Clarity of solution | Passes test |
| Visual pH Transition | pH 5.8 (yellow) to pH 7.6 (blue) |
| Loss on drying (at 110°C, 1 hr) | <= 3.00% |
| Absorption maxima 1 | 428 - 438 nm (20 ppm in pH 5.80 buffer solution) |
| Absorption maxima 2 | 611 - 621 nm (20 ppm in pH 7.60 buffer solution) |
| Specific Absorbance 1 | 260 - 300 (20 ppm in pH 5.80 buffer solution, at 433.0 nm) |
| Specific Absorbance 2 | 470 - 520 (20 ppm in pH 7.60 buffer solution, at 616.0 nm) |
Safety Information
| UN No. | Not dangerous goods |
|---|---|
| Class | - |
| Packing Group | - |
| RTECS | Not available |
| WGK | 3 |
| Product Name | Bromothymol blue |
|---|---|
| SKU | MB196 |
| CAS No | 76-59-5 |
| EC No. | 200-971-2 |
| Molecular formula | C₂₇H₂₈Br₂O₅S |
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