Code 2931 90 500 0

ETIDRONIC ACID (INN) (1-HYDROXYETHANE-1, 1-DIPHOSPHONIC ACID) AND ITS SALTS

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:

etidronic acid (INN) (1-hydroxyethane-1,1-diphosphonic acid) and its salts