Plot No. C40, Road No. 21Y, MIDC, Wagle Industrial Estate, Thane(W)-400604, MH, India
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Bromothymol blue, Hi-Cert™/ACS
SKU:
GRM120
CAS Number :
76-59-5
Synonym :
3',3''-Dibromothymolsulfonphthalein
Molecular Formula :
C₂₇H₂₈Br₂O₅S
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Bromothymol blue (also known as bromothymol sulfone phthalein and BTB) is a pH indicator.It is typically sold in solid form as the sodium salt of the acid indicator.
CAS Number :
76-59-5
Synonym :
3',3''-Dibromothymolsulfonphthalein
Molecular Formula :
C₂₇H₂₈Br₂O₅S
Product Identifier
| Product Name | Bromothymol blue, Hi-Cert™/ACS |
|---|---|
| CAS No. | 76-59-5 |
| EC No. | 200-971-2 |
| Molecular Formula | C₂₇H₂₈Br₂O₅S |
| Molecular Weight | 624.38 |
| Synonym | 3',3"-Dibromothymolsulfonphthalein |
| 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 |
| Clarity of solution | Passes test |
| Visual pH Transition | pH 5.80 (yellow) to pH 7.60 (blue) |
| Absorption maxima 1 | 428 - 438 nm (20ppm in pH 5.80 buffer solution) |
| Absorption maxima 2 | 611-621 nm (20ppm in pH 7.60 buffer solution) |
| Specific Absorbance 1 | 260 - 300 (20ppm in pH 5.80 buffer solution, at 433 nm) |
| Specific Absorbance 2 | 470 - 520 (20ppm in pH 7.60 buffer solution, at 616 nm) |
| Loss on drying (at 110°C, 1 hr) | <= 3.00% |
Safety Information
| UN No. | Not dangerous goods |
|---|---|
| Class | - |
| Packing Group | - |
| RTECS | Not available |
| WGK | 1 |
CAS Number :
76-59-5
Synonym :
3',3''-Dibromothymolsulfonphthalein
Molecular Formula :
C₂₇H₂₈Br₂O₅S
| Product Name | Bromothymol blue, Hi-Cert™/ACS |
|---|---|
| SKU | GRM120 |
| CAS No | 76-59-5 |
| EC No. | 200-971-2 |
| Molecular formula | C₂₇H₂₈Br₂O₅S |
| Synonym | 3',3''-Dibromothymolsulfonphthalein |
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