Plot No. C40, Road No. 21Y, MIDC, Wagle Industrial Estate, Thane(W)-400604, MH, India
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Thymolphthalein Indicator, Practical grade
SKU:
GRM997
CAS Number :
125-20-2
Molecular Formula :
C₂₈H₃₀O₄
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Thymolphthalein Indicator,is a phthalein dye used as an acid–base (pH) indicator. Its transition range is around pH 9.3–10.5.
CAS Number :
125-20-2
Molecular Formula :
C₂₈H₃₀O₄
Product Identifier
| Product Name | Thymolphthalein Indicator, Practical grade |
|---|---|
| CAS No. | 125-20-2 |
| EC No. | 204-729-7 |
| Molecular Formula | C₂₈H₃₀O₄ |
| Molecular Weight | 430.54 |
| HS Code | 2932 20 90 |
| Storage | Below 30°C |
| Shelf life | 4 years |
Technical Specification
| Appearance | White to faint beige crystals or powder |
|---|---|
| Solubility | 20 ppm solution in sodium hydroxide yields clear solution |
| Visual pH Transition | pH 8.8 (colourless) - pH 10.5 (blue) |
| Absorption maxima 1 | 587 - 597 nm (20 ppm in NaOH) |
| Absorption maxima 2 | 391 - 401 nm (20 ppm in NaOH) |
Safety Information
| UN No. | Not dangerous goods |
|---|---|
| Class | - |
| Packing Group | - |
| RTECS | Not available |
| WGK | 3 |
CAS Number :
125-20-2
Molecular Formula :
C₂₈H₃₀O₄
| Product Name | Thymolphthalein Indicator, Practical grade |
|---|---|
| SKU | GRM997 |
| CAS No | 125-20-2 |
| EC No. | 204-729-7 |
| Molecular formula | C₂₈H₃₀O₄ |
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