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Q:

[2,5]-Dibenzo -21-Crown -7,133560-78-8

Chemical Encyclopedia

September 23, 2025

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A:

Chinese name: [2,5]-dibenzo -21-crown -7
. English name: [2,5! English alias: DIBENZO-21-CROWN-7, 97
T0401-0082;2,3,8,9-dibenzo-21-crown-7;[2,5]-dibenzo-21-crown-7;
CAS No.: 133560-78-8
Chemical Formula:
C22H28O7 Molecular Weight:
404.4535 Melting Point:
48-52 C Vapor Pressure: 2.03 E-11mmHgat25 °C