1-Dodecanephosphonic acid 4-04-00-03565 (Beilstein Handbook Reference) 5137-70-2 BRN 1778341 Dodecane phosphonic acid Dodecylphosphonic acid EINECS 225-897-8 NSC 407872 Phosphonic acid, dodecyl- n-Dodecanephosphonic acid n-Dodecyl phosphonic acid n-Dodecylphosphonic acid