Imprimer

Thymolphthaleine ACS, Reag. Ph. Eur. indicateur

Marques : Merck
Ratings: Ecrire un avis

Total Evaluation: 0
Moyenne des Notes : 0.0 sur 5

Synonyme(s): 3,3-Bis(4-hydroxy-5-isopropyl-o-tolyl)phtalide

M-Clarity™ (Niveau de Qualité) = MQ200

1.08175.0005 1.08175.0025 1.08175.0100
1.08175.0005EA 99.7 EUR
1.08175.0005 1.08175.0025 1.08175.0100
Thymolphthaleine ACS, Reag. Ph. Eur. indicateur
Thymolphthaleine
Formule: C₂₈H₃₀O₄
Poids moléculaire: 430.54 g/mol
Point de fusion: 253
Température de stockage: Température ambiante
Numéro MDL: MFCD00005909
Numéro CAS: 125-20-2
EINECS: 204-729-7
Indice Merck: 12,09542

Commander maintenant

Résultats des tests de spécification

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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