HS Code	Description	Primary rate
2931491000	Sodium 3-(trihydroxysilyl)propyl methylphosphonate	6.00 %
2931492000	Bis[(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)methyl] methylphosphonate	6.00 %
2931493000	Etidronic acid (inn) (1-hydroxyethane-1,1-diphosphonic acid) and its salts	6.00 %
2931494000	(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	6.00 %
2931495000	Bis(1-methylpentyl) methylphosphonate	6.00 %
2931496000	Butyl methylphosphinate	6.00 %
2931498008	Sodium diisobutyldithiophosphinate (cas rn 13360-78-6) in an aqueous solution	6.00 %
2931498010	Triethyl phosphonoacetate (cas rn 867-13-0) with a purity by weight of 98 % or more	6.00 %
2931498013	Trioctylphosphine oxide (cas rn 78-50-2)	6.00 %
2931498020	Tetrabutylphosphonium acetate (cas rn 30345-49-4) in the form of an aqueous solution, containing by weight 40 % or more but not more than 50 % of tetrabutylphosphonium acetate	6.00 %
2931498025	(z)-prop-1-en-1-ylphosphonic acid (cas rn 25383-06-6)	6.00 %
2931498035	Ethyl phenyl(2,4,6-trimethylbenzoyl)phosphinate (cas rn 84434-11-7)	6.00 %
2931498038	N-(phosphonomethyl)iminodiacetic acid (cas rn 5994-61-6) containing by weight not more than 15 % of water, and with a dry weight purity of 97 % or more	6.00 %
2931498040	Tetrakis(hydroxymethyl)phosphonium chloride (cas rn 124-64-1)	6.00 %
2931498055	3-(hydroxyphenylphosphinoyl)propionic acid (cas rn 14657-64-8)	6.00 %
2931498060	Alkyl phosphonic acids and their sodium salts	6.00 %
2931498090	Other	6.00 %