Thymolphthalein, pure indicator

Supplier: Thermo Scientific Chemicals

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

15146-0100 15146-0500 15146-2500
TS15146-0100EA 39 USD
TS15146-0100 TS15146-0500 TS15146-2500
Thymolphthalein, pure indicator
Thymolphthalein
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: 1209542

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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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