Explanatory notes
… ‑ ‑ 3,9-Dimethyl-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5] undecane 3,9-dioxide 2931.49 ‑ ‑ Other - … (e) 3,9-Dimethyl-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5] undecane 3,9-dioxide. (f) Sodium 3-(trihydroxysilyl) propyl … H 4 AsO(OH) 2 ) and its salts. Crystallises in shiny white needles. Its main salt is sodium p -aminophenylarsonate, an …