PRODUCT CATALOG: Dianhydrides: BTDA

Structure
Nomenclature	BTDA 3,3',4,4'-Benzophenone tetracarboxylic dianhydride
CAS No.	2421-28-5
Availability	Commercially available in multi-ton quantities.
Packing	50 kgs. 20 kgs. 15 kgs. 1 lb.
Mol. Wt.	322.22
Sp. Gr.	1.57
M.P.^oC	225 min.
B.P.^oC	N/A
EINECS	2193481
Description	White crystalline powder
Special Comments	Sets the Standard for high quality BTDA, low metals, CI Meets the most demanding needs for BTDA