Section 06 Products of the chemical or allied industries 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or isotopes 28 28 Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites. Commodity Code Description 28 28 10 Commercial calcium hypochlorite and other calcium hypochlorites 28 28 90 Other