3,3-Bis(4-hidroxi-1-naftil)ftalida, puro indicator

Proveedor: Thermo Scientific

Sinónimos: 3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-one

190120050 190120010 190120250
ACRO190120050EA 205 EUR
ACRO190120050 ACRO190120010 ACRO190120250
3,3-Bis(4-hidroxi-1-naftil)ftalida, puro indicator
3,3-Bis(4-hidroxi-1-naftil)ftalida
Formula: C₂₈H₁₈O₄
MW: 418,45 g/mol
Pto. de fusión: 240…250 °C
Temperatura de almacenaje: Ambiente
Número MDL: MFCD00036202
Núm. CAS: 596-01-0
EINECS: 209-875-5

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Resultados test especificaciones

Appearance Beige to pink to brown Powder
Infrared spectrum Conforms
Loss on drying ≤5 % (110°C, 1 h)
UV Lambda max 648 to 654 nm (in 0.1N NaOH)
Specific absorbance A (1%/1cm) ≥550 (at lamda max)
Visual transition interval from pH 7.3 (pink-yellow) to pH 8.7 (green-blue)

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