Thymolphthaleine ACS, Reag. Ph. Eur. indicator

Leverandør: Merck
Ratings: Ingen bedømmelse

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M-Clarity™ quality level = MQ200

1.08175.0025EA 1480 DKK
1.08175.0025 1.08175.0100 1.08175.0005
Thymolphthaleine ACS, Reag. Ph. Eur. indicator
Thymolphthaleine
Formel: C₂₈H₃₀O₄
Molekylvægt: 430,54 g/mol
Smeltepunkt: 253 °C
Opbevaringstemperatur: Stue temperatur
MDL Number: MFCD00005909
CAS-nummer: 125-20-2
EINECS: 204-729-7
Merck Index: 12,09542

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Specifikationer Testresultater

Appearance White to almost white powder, eventually slightly yellowish.
Identity (UV/VIS-Spectrum) passes test
Absorption maximum λmax. (buffer pH 10.5) 592 - 596 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.01 g/l; buffer pH 10.5; calculated on anhydrous substance) 800 - 900
Transition range (according to ACS) passes test
Transition range pH 9.0 - pH 10.5 colourless - blue
Loss on drying (110 °C) ≤ 1 %

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