Tariff number Chapter 29, Section 31
2931
Other organo-phosphorous derivatives
2931
Other
2931390000 80
- - Other
2931392000 80
- - - Methylphosphonoyl difluoride (methylphosphonic difluoride)
2931393000 80
- - - Methylphosphonoyl dichloride (methylphosphonic dichloride)
2931395000 80
- - - Etidronic acid (INN) (1-hydroxyethane-1,1-diphosphonic acid) and its salts
2931396000 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
2931399000 80
- - - Other