sell 3,3',4,4'-benzophenonetetracarboxylic dianhydride; BTDA

Post Date:
May 31,2016
Expiry Date:
May 31,2017
Detailed Description:
Cas No. :2421-28-5 Specs:99.9%
BTDA is important monomer of polyimide, and used for production of polyimide material. The material has high temperature resistance, low temperature resistance, corrosion resistance, radiation resistance, insulation, shock resistance, excellent performance. Can be made into structure parts, laminates, films, adhesives, coatings, insulation materials and reinforcing material, etc., can be widely used in the field of aerospace, electrical / electronics, shipbuilding, automobile, precision machinery.
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:;

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