Decision document for: Dialkyl (C8-C18) Dimethyl Ammonium Chloride - Multiple CAS Nos. Mono and Dialkyl (C8-C18) Methylated Ammonium Chloride Compounds - Multiple CAS Nos. You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more. Inert Reassessment Decision Document for Dialkyl (C8-C18) Dimethyl Ammonium Chloride (PDF)(14 pp, 814 K)