Rouge de phénol, pur indicateur
Fournisseur: Thermo Fisher Scientific
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Attention
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Synonyms:
3,3-Bis(4-hydroxyphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide
151430250
151430050
151431000
ACRO151430250EA
86.9
EUR
ACRO151430250
ACRO151430050
ACRO151431000
Rouge de phénol, pur indicateur
Rouge de phénol
Formule:
C₁₉H₁₄O₅S MW: 354.38 g/mol Point de fusion: >300 °C Température de stockage: Température ambiante |
Numéro MDL:
MFCD00003552 Numéro CAS: 143-74-8 EINECS: 205-609-7 Merck Index: 13,07329 |
Résultats des tests de spécification
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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