Tetramethylthiuram Disulfide (TMTD) from Mexico

Tetramethylthiuram disulfide, commonly known as TMTD, is a thiuram disulfide used primarily as an accelerator in rubber vulcanization processes. It falls under HTS 2930.30.60.00 as it is a thiuram disulfide compound containing sulfur directly linked to carbon atoms, classified as an organo-sulfur compound per Chapter 29 notes. This chemical is supplied as a pure, separate organic compound without additives that would alter its classification.