Toluene diisocyanate manufacturer Knowledge MT013673,3’4,4′-benzophenone tetracarboxylic dianhydride 2421-28-5

MT013673,3’4,4′-benzophenone tetracarboxylic dianhydride 2421-28-5

author: Post: 12/12/2023 21read Comments Off

English name:	3,3,4,4-Benzophenonetetracarboxylic Acid Dianhydride
Common aliases:	4,4′-carbonyl diphthalic anhydride; 3,3′,4,4′-benzophenone tetracarboxylic dianhydride; 3,3′,4,4′-di Benzophenone tetracarboxylic dianhydride; 3,3’4,4′-benzophenone tetracarboxylic dianhydride; ketone anhydride (BTDA)
CAS number:	2421-28-5	Boiling point:	638.8±40.0 °C at 760 mmHg
MDL number:	N/A	Melting point:	218-222 °C(lit.)
Molecular formula:	C₁₇H₆O₇	Flash point:	286.1±27.4 °C
Molecular weight:	322.225	Density:	1.7±0.1 g/cm3
Physical and chemical properties:	N/A	Storage conditions:	Avoid light, store in a cool and dry place, sealed

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/17592