4,4'-(Ethyne-1,2-diyl)diphthalic Anhydride
https://www.resbioagro.com/shop/fm-in-da009wpq-44-ethyne-12-diyl-diphthalic-anhydride-82562
https://www.resbioagro.com/web/image/product.template/82562/image_1920?unique=ef1e0df
Ethynyl Diphthalic Anhydride, chemical for high-performance polymers, epoxy resins, and lab research. Lab-grade quality.
Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days
diphthalic%20Anhydride?unique=ef1e0df)