Tariff number Chapter 29, Section 31
2931
Non-halogenated organo-phosphorous derivatives
2931
Other
2931490000 80
- - Other
2931491000 80
- - - Sodium 3-(trihydroxysilyl)propyl methylphosphonate
2931492000 80
- - - Bis[(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)methyl] methylphosphonate
2931493000 80
- - - Etidronic acid (INN) (1-hydroxyethane-1,1-diphosphonic acid) and its salts
2931494000 80
- - - (Nitrilotrimethanediyl)tris(phosphonic acid), {ethane-1,2-diylbis[nitrilobis(methylene)]}tetrakis(phosphonic acid), [(bis{2-[bis(phosphonomethyl)amino]ethyl}amino)methyl]phosphonic acid, {hexane-1,6-diylbis[nitrilobis(methylene)]}tetrakis(phosphonic acid), {[(2-hydroxyethyl)imino]bis(methylene)}bis(phosphonic acid), and [(bis{6-[bis(phosphonomethyl)amino]hexyl}amino)methyl]phosphonic acid; salts thereof
2931499000 80
- - - Other