D 1681 (OTTO) Diethyl carbonate, 99% Cas 105-58-8 - used as a solvent such as in erythromycin intramuscular injections. D 1681 (OTTO) Diethyl carbonate, 99% Cas 105-58-8 - used as a component of electrolytes in lithium batteries. D 1681 (OTTO) Diethyl carbonate, 99% Cas 105-58-8 - used as solvents of nitro-cotton, cellulose ether, synthetic resin and natural resin in the textile printing and dyeing industry.