Section 06 Products of the chemical or allied 29 Organic chemicals 29 31 Other organo-inorganic compounds 29 31 53 -- O-(3-chloropropyl) O- [4-nitro-3- (trifluoromethyl) phenyl] methylphosphonothionate Commodity Code Description 29 31 53 00 -- O-(3-chloropropyl) O- [4-nitro-3- (trifluoromethyl) phenyl] methylphosphonothionate