TARIC 3824.99.92.75 — Mixture, containing by weight: -75% or more of tetrabutyltin (CAS RN 1461-25-2), -not more than 20 % of tributyltin chloride (CAS RN 1461-22-9), -not more than 4 % of dibutyltin dichloride (CAS RN 683-18-1), for use in the production of butyltin compounds used in glass manufacture and tributyltin chloride used as a catalyst in the pharmaceutical industry | TariffCodex