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