HS CodesVI · Products of the chemical or allied industries29 · Organic chemicals2931293149293149Chapter 29Copy pageOtherDescriptionOther organo-inorganic compounds : Non-halogenated organo-phosphorous derivatives : OtherWas this page helpful?YesNoPrevious2931483,9-Dimethyl-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5] undecane 3,9-dioxideNextMethylphosphonic dichloride293151