Thymolphthalein, pure indicator

Supplier: Thermo Scientific

Synonyms: 3,3-Bis(4-hydroxy-5-isopropyl-o-tolyl)phthalide, 3,3-Bis(4-hydroxy-5-isopropyl-2-methylphenyl)isobenzofuran-1(3H)-one

151460100 151460500 151462500
ACRO151460100EA 87.9 GBP
ACRO151460100 ACRO151460500 ACRO151462500
Thymolphthalein, pure indicator
Thymolphthaleine
Formula: C₂₈H₃₀O₄
MW: 430,54 g/mol
Melting Pt: 251…253 °C
Storage Temperature: Ambient
MDL Number: MFCD00005909
CAS Number: 125-20-2
EINECS: 204-729-7
Merck Index: 12,09542

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Specification Test Results

Appearance White Crystalline powder
Infrared spectrum Conforms
Loss on drying ≤1 %
Sulfated ash ≤0.5 %
Visual transition interval from pH 8.8 (colorless) to pH 10.5 (blue)

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