3,3',4,4'-Benzofenontetrakarboxylsyradianhydrid 97+%
Leverantör: Thermo Scientific
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Varning
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Synonyms:
4,4'-Karbonyldiftalsyraanhydrid
401935000
401930025
ACRO401935000EA
2425
SEK
ACRO401935000
ACRO401930025
3,3',4,4'-Benzofenontetrakarboxylsyradianhydrid 97+%
3,3',4,4'-Benzofenontetrakarboxylsyradianhydrid
Formel:
C₁₇H₆O₇ MW: 322,23 g/mol Smältpunkt: 219…226 °C Storage Temperature: Omgivande |
MDL Number:
MFCD00005923 CAS nummer: 2421-28-5 EINECS: 219-348-1 |
Specifikation testresultat
Appearance | Yellow to tan Powder |
Infrared spectrum | Conforms |
Melting point | 220 to 229 °C |
Free acid | ≤2.2 % |
Titration by coupling | ≥97.0 % |
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