Imprimer

3,3-Bis(4-hydroxy-1-naphtyl)phtalide, pur indicateur

Marques : Thermo Fisher Scientific
Ratings: Ecrire un avis

Total Evaluation: 0
Moyenne des Notes : 0.0 sur 5

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

190120050 190120010 190120250
ACRO190120050EA 255 EUR
ACRO190120050 ACRO190120010 ACRO190120250
3,3-Bis(4-hydroxy-1-naphtyl)phtalide, pur indicateur
3,3-Bis(4-hydroxy-1-naphtyl)phtalide
Formule: C₂₈H₁₈O₄
Point de fusion: 240…250 °C
Température de stockage: Température ambiante
Numéro MDL: MFCD00036202
Numéro CAS: 596-01-0
EINECS: 209-875-5

Commander maintenant

Résultats des tests de spécification

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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