(Acetone Dimethyl Acetal) Used as a dehydration agent. Formula: (CH₃)₂C(OCH₃)₂   Formula Weight: 104.15 CAS #: 77-76-9 Specific Gravity: 0.849

Used as an activator for the Vestopal embedding resin. (55% Cobalt Napthenate; CAS # 61789-51-3 and 45% Mineral Spirit; CAS # 64742-88-7)