CAS:2421-28-5
2421-28-5
CAS号：2421-28-5
品名：3,3',4,4'-二苯甲酮四甲酸二酐5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione
中文别名：3,3',4,4'-二苯酮四羧酸二酐;3,3'4,4'-二苯甲酮四羧酸二酐;3,3',4,4'-二苯酮四酸二酐;4,4'-羰基二邻苯二甲酸酐;酮酐(BTDA);
英文别名：benzophenone-3,3',4,4'-tetracarboxylicaciddianhydride;3,4,3',4'-benzophenonetetracarboxylicdianhydride;Benzophenone-3,3',4,4'-tetracarboxylicdianhydride;3,3,4,4-Benzophenonetetracarboxylicdianhydride;3,3',4,4'-benzophenonetetracarboxylicdianhydride;4,4'-Diphthalicanhydrideketone;4,4'-Carbonylbis(phthalicanhydride);3,3',4,4'-BenzophenonetetracarboxylicDianhydride;benzophenonetetracarboxylicdianhydride;4,4'-CarbonyldiphthalicAnhydride;Benzophenonetetracarboxylicaciddianhydride;Phthalicanhydride,4,4'-carbonyldi;3,3‘,4,4‘-Benzophenonetetracarboxylicdianhydride;1,3-Isobenzofurandione,5,5'-carbonylbis;5,5'-Carbonylbis(isobenzofuran-1,3-dione);1,3-Isobenzofurandione,5,5‘-carbonylbis-;Benzophenonetetracarboxylicanhydride;5-(1,3-dioxo-isobenzofuran-5-carbonyl)-isobenzofuran-1,3-dione;4,4'-Carbonyldiphthalicanhydride;benzophenone-3,3',4,4'-tetracarboxylicdianhydride;
分子式：C17H6O7
分子量：322.225
精确质量：322.011
Psa：103.81
BRN号：761777
EINECS号：219-348-1
MDL号：MFCD00005923
PubChem号：24855743
外观与性状：无气味的淡黄色粉末固体
密度：1,57 g/cm3
沸点：320°C 5mm
熔点：218-222°C(lit.)
闪点：324 °C
折射率：1.699
稳定性：Stable under normal temperatures and pressures. May decompose on exposure to moist air or water.
储存条件：Store in a tightly closed container. Store protected from moisture. Store under nitrogen. Store in a cool, dry area away from incompatible substances.
蒸汽压：3.25E-16mmHg at 25°C
安全说明：S25
危险类别码：R36/37
WGK Germany：1
海关编码：29183000
危险品标志：Xi
信号词：Warning
危险性防范说明：P305 + P351 + P338
危险标志：GHS07
危险性描述：H319; H335
有机砌块
