Timolftaleina
Fornitore: TCI
Synonyms:
3,3-Bis(4-hydroxy-5-isopropyl-o-tolyl)phthalide, 3,3-Bis(4-hydroxy-5-isopropyl-2-methylphenyl)isobenzofuran-1(3H)-one
Formula:
C₂₈H₃₀O₄ Punto di fusione: 253 °C Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00005909 CAS Number: 125-20-2 EINECS: 204-729-7 Merck Index: 14,09401 |
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Risultati del test di specificazione
Appearance | White to Orange to Green powder to crystal |
Absorbance | min. 0.350 (5mg/L, pH10.5, 592.0 to 596.0 nm) |
Solubility in EtOH (50vol%) | transparency |
Drying loss | max. 1.0 % |
Transition interval (pH) | (colorless)8.6 to 10.5 (blue) |
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