HS 2931.48
Non-halogenated organo-phosphorous derivatives; 3,9-dimethyl-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5] undecane 3,9-dioxide
Other organo-inorganic compounds · Organic chemicals
HS 2931.48
No US import shipments recorded under this HS code.