... 0, Molecular weight 278 - Cynic Acid, CAS no.25722-66-1 Cyanate Ester: more than 10 kinds of products for difference ... -0, Molecular weight 278- Cynic Acid, CAS no.25722-66-1- Lower dielectric Constant- Higher Glass Temperature- with high quality & ... . Powder Content 99% min, Moisture 1000mg/kg Max, Dielectric Constant 3 max, Decomposition Temperature 260-450, Glass Transition Temperature 180-260 ...