CAS Number
76-61-9
Formula
C27H30O5S
Weight
466.60
TB; Thymolsulfonephthalein
| Solubility 0.1% (EtOH) | Clear Solution |
| Transition Range | pH 1.2 – 2.8 (Red - Greenish Yellow)pH 7.8 – 9.5 (Greenish Yellow – Blue) |
| Absorptivity 1%/1cm, | |
| (pH 7.8) at λ max.434.0nm | >200 |
| (pH 9.5) at λ max.596.0nm | >450 |
| Loss on Drying at 110°C (1hr) | >3% |
| Clear Solution | |
| Solubility 0,1% (EtOH) | Clear Solution |
| Transition Range | pH 1.2 – 2.8 (Red - Greenish Yellow)pH 7.8 – 9.5 (Greenish Yellow – Blue) |
| Absorptivity 1%/1cm | |
| (pH 7,8) at λ max.434.0nm | >200 |
| (pH 9.5) at λ max.596.0nm | >450 |
| Loss on Drying at 110°C (1hr) | 4% |
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