Rosso fenolo, puro Indicatore
Fornitore: Thermo Fisher Scientific
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Attenzione
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Formula:
C₁₉H₁₄O₅S Punto di fusione: >300 °C Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00003552 CAS Number: 143-74-8 EINECS: 205-609-7 Merck Index: 13,07329 |
Risultati del test di specificazione
Appearance | Red Powder |
Infrared spectrum | Conforms |
Solubility | (0.1 % in 95% ethanol) Clear soluble |
UV Lambda max | 555 to 561 nm (in buffer) |
Specific extinction E (1%/1cm) | ≥1700 (at lambda max., in buffer) |
Visual transition interval | from pH 6.8 (yellow) to pH 8.2 (red) |
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