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CAS: 2421-28-5
Molecular Formula: C17H6O7
Molecular Weight: 322.23
EINECS: 219-348-1
Synonyms: 3,3′,4,4′-Benzophenonetetracarboxylic acid dianhydride; 3,3′,4,4′-Tetracarboxybenzophenone dianhydride; 3,3’,4,4’-benzophenonetetracarboxylicaciddianhydride; BENZOPHENONETETRACARBOXYLIC ACID DIANHYDRIDE; BENZOPHENONE-TETRACARBOXYLIC-DIANHYDRIDE; BTDA~4,4-Carbonyldiphthalic anhydride
3,3 ', 4,4' – Benzophenonetetracarboxylic dianhydride es un polvo cristalino de color parduzco. El punto de fusión de esta sustancia es 218.67 ° C y se descompone en 360 ° C. La combustión espontánea de la temperatura es muy alta, y no combustibilidad se observó. La densidad de una sustancia es 1.5452 g/ml, y la presión de vapor es 6.53 E-011Pa.
| Elemento | Especificación |
| Punto de ebullición | 320°C de 5 mm |
| Densidad | 1,57 g/cm3 |
| Punto de fusión | 218-222 °C (lit.) |
| punto de inflamación | 324 °C |
| resistividad | 1.6380 (estimación) |
| Condiciones de almacenamiento | Atmósfera inerte,la Temperatura de la Habitación |
BTDA se utiliza como producto intermedio en la fabricación de productos de plástico o productos químicos finos en el sector industrial. Monómero polímero, utilizado para la síntesis de alta temperatura resistente a los materiales de polímero.
Por lo general lleno en 25kg/drum,y también se pueden hacer paquetes personalizados.
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