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3,3',4,4'-benzophenonetetracarboxylic dianhydride

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Post Date:	Jun 13,2014
Expiry Date:	Dec 10,2014
Detailed Description:	Cas No. :2421-28-5

CAS Registry Number:	2421-28-5
Synonyms:	;BTDA;4,4-Carbonyldiphthalic anhydride;benzophenone-3,3:4,4-tetracarboxylic dianhydride;BTDA;3,3,4,4-Benzophenontetracarbonsaeuredianhydride;1,3-Isobenzofurandione, 5,5'-carbonylbis-;3,3',4,4'-Benzophenonetetracarboxylic acid dianhydride;3,3',4,4'-Tetracarboxybenzophenone dianhydride;3,3',4,4'-benzophenonetetracarboxylicaciddianhydride;3-Isobenzofurandione,5,5'-carbonylbis-1;4,4'-Carbonylbis[phthalic anhydride];4,4'-Diphthalic anhydride ketone;5,5'-carbonylbis-3-isobenzofurandione;5,5'-carbonylbis(2-benzofuran-1,3-dione);3,3',4,4'-Benzophenone tetracarboxylic dianhydride;Benzophenone-3,3',4,4'-tetracarboxylic dianhydride;3,3,4,4-Benzophenonetetracarboxylic dianhydride;
Molecular Formula:	C₁₇H₆O₇
Molecular Weight:	322.2253
Molecular Structure:
Hazard Symbols:	Xi:Irritant;
Risk Codes:	R36/37:;
Safety Description:	S25:;

Company:	Junkai ( Tianjin ) chemical Co.,Ltd, [ China ]
Contact:	Jessica Chen
Tel:	+86-22-85689515
Fax:	+86-22-2378785
Email:	sales@junkaichem.com

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3,3',4,4'-benzophenonetetracarboxylic dianhydride

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2421-28-5