Phenolphthalein 98.5%, pure indicator grade

Supplier: Thermo Scientific Chemicals
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14771-0025 14771-1000 14771-5000
TS14771-0025EA 574 USD
TS14771-0025 TS14771-1000 TS14771-5000
Phenolphthalein 98.5%, pure indicator grade
Phenolphthalein
Formula: C₂₀H₁₄O₄
MW: 318.33 g/mol
Melting Pt: 258…263 °C
Storage Temperature: Ambient
MDL Number: MFCD00005913
CAS Number: 77-09-8
EINECS: 201-004-7
REACH: 01-2119498295-24
Merck Index: 14,07243
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Specification Test Results

Appearance White to almost white Powder
Infrared spectrum Conforms
Assay 98.0 to 102.0 %
Loss on drying ≤0.5 % (105°C)
Sulfated ash ≤0.1 %
Acidity/alkalinity (per Ph. Eur.) Passes test
Color of solution (per Ph. Eur.) Passes test
Chloride (Cl) ≤100 ppm
Sulfate (SO4) ≤200 ppm
Heavy metals (as Pb) ≤10 ppm

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