Code 2931 90 600 0

(NITRILOTRIMETHANE DIYL) TRIS(PHOSPHONIC ACID), {ETHANE-1, 2-DIYLBIS [NITRILE BIS(METHYLENE)]}TETRAKIS (PHOSPHONIC ACID), [(BIS{2-[BIS(PHOSPHONOMETHYL)AMINO]ETHYL}AMINO)METHYL]PHOSPHONIC ACID…

SECTION VI. Products of the chemical or allied industries

29 ORGANIC CHEMICALS

X. ORGANO-INORGANIC COMPOUNDS, HETEROCYCLIC COMPOUNDS, NUCLEIC ACIDS AND THEIR SALTS, AND SULPHONAMIDES

2931 Other organo-inorganic compounds:

2931 90 other:

(nitrilotrimethane diyl) tris(phosphonic acid), {ethane-1,2-diylbis [nitrile bis(methylene)]}tetrakis (phosphonic acid), [(bis{2-[bis(phosphonomethyl)amino]ethyl}amino)methyl]phosphonic acid, {hexane-1,6-diylbis[nitrile bis(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