Section 06 Products of the chemical or allied 29 Organic chemicals 29 31 Other organo-inorganic compounds 29 31 45 -- Salt of methyphosphonic acid and (aminoiminomethyl) urea (1: 1) 29 31 45 00 -- Salt of methyphosphonic acid and (aminoiminomethyl) urea (1: 1) Commodity Code Description 29 31 45 00 000 -- Salt of methyphosphonic acid and (aminoiminomethyl) urea (1: 1)