Benzofenon-3,4,3´,4´-tetrakarboxdianhydrid 97+%
Dodavatel: Thermo Scientific
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Varování
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Synonyms:
4,4'-Karbonylbis(ftalanhydrid)
401935000
401930025
ACRO401935000EA
4780
CZK
ACRO401935000
ACRO401930025
Benzofenon-3,4,3´,4´-tetrakarboxdianhydrid 97+%
Benzofenon-3,4,3´,4´-tetrakarboxdianhydrid
Vzorec:
C₁₇H₆O₇ MW: 322,23 g/mol Bod tání: 219…226 °C Storage Temperature: Ambient |
MDL Number:
MFCD00005923 CAS číslo: 2421-28-5 EINECS: 219-348-1 |
Výsledky specifikačního testu
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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