Thymolphthalein, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. indicator

Supplier: VWR 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

VWRC86157.050EA 116 SGD
VWRC86157.050 VWRC86157.150 VWRC86157.180
Thymolphthalein, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. indicator
Thymolphthaleine
Formula: C₂₈H₃₀O₄
MW: 430,54 g/mol
Storage Temperature: Ambient
MDL Number: MFCD00005909
CAS Number: 125-20-2

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Specification Test Results

Identity (UV-VIS Spectroscopy) Passes Test
Appearance of Solution Passes Test
pH Range (Colourless to Blue) 8.8 - 10.5
Absorption Maximum λ (pH 10,5) 592 - 596
Absorptivity (A1%/1 cm; λ max , 0.01 g/l, pH 10.5, on Dried Sample) 800 - 900
Loss on Drying (110 °C) ≤1.0

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