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Home > Chemical product channel > 2421-28-5 5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione (2421-28-5)

Identification of 2421-28-5

Name:5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione

CAS No.:2421-28-5

Molecular Weight: 322.22500

Formula: C17H6O7

Synonyms: benzophenone-3,3',4,4'-tetracarboxylic acid dianhydride; 3,3',4,4'-Benzophenonetetracarboxylic Dianhydride; 4,4'-Carbonyldiphthalic Anhydride; 4,4'-Carbonylbis(phthalic anhydride); Benzophenonetetracarboxylic acid dianhydride; Benzophenonetetracarboxylic anhydride; 3,4,3',4'-benzophenone tetracarboxylic dianhydride; 1,3-Isobenzofurandione,5,5'-carbonylbis; 5-(1,3-dioxo-isobenzofuran-5-carbonyl)-isobenzofuran-1,3-dione; Benzophenone-3,3',4,4'-tetracarboxylic dianhydride; 3,3‘,4,4‘-Benzophenonetetracarboxylic dianhydride; benzophenone tetracarboxylic dianhydride; 1,3-Isobenzofurandione, 5,5‘-carbonylbis-; Phthalic anhydride,4,4'-carbonyldi; 4,4'-Diphthalic anhydride ketone; 3,3,4,4-Benzophenonetetracarboxylic dianhydride; 5,5'-Carbonylbis(isobenzofuran-1,3-dione);

Safety Data

Safety Statements: S25

Properties

Vapour:3.25E-16mmHg at 25°C

Refractive Index:1.699

Flash Point:324ºC

Stability:Stable under normal temperatures and pressures. May decompose on exposure to moist air or water.

Appearance:odorless light yellow powder solid

Density:1.57

Melting Point:219-226ºC

Boiling Point:320ºC 5mm

Storage temp:Store in a tightly closed container. Store protected from moisture. Store under nitrogen. Store in a cool, dry area away from incompatible substances.

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