α-Naphtholphthalein, puro Indicatore
Fornitore: Thermo Scientific
Synonyms:
3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-one
190120050
190120010
190120250
ACRO190120050EA
162
EUR
ACRO190120050
ACRO190120010
ACRO190120250
α-Naphtholphthalein, puro Indicatore
α-Naphtholphthalein
Formula:
C₂₈H₁₈O₄ Peso molecolare: 418,45 g/mol Punto di fusione: 240…250 °C Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00036202 CAS Number: 596-01-0 EINECS: 209-875-5 |
Risultati del test di specificazione
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) |
Learn more
About VWR
Avantor is a vertically integrated, global supplier of discovery-to-delivery solutions for...