3,4,5,6-Tetrachlorophthalic acid(CAS: 632-58-6)

3,4,5,6-Tetrachlorophthalic acid is a highly chlorinated dicarboxylic acid with the molecular formula C8H2Cl4O4. It is a white, crystalline solid with a pungent odor. It is primarily used in the production of dyes, pigments, and flame retardants.

3,4,5,6-Tetrachlorophthalic acid is commonly used in the synthesis of dyes and pigments, as well as in the production of flame retardants. It is also utilized in the manufacture of polyesters and other organic compounds.

3,4,5,6-Tetrachlorophthalic acid is not considered safe for direct contact or inhalation due to its high chlorine content. It is classified as a toxic chemical and exposure should be minimized. Adequate ventilation and protective equipment are necessary when handling it.

3,4,5,6-Tetrachlorophthalic acid should be stored in a cool, dry place, protected from moisture and direct sunlight. It should be kept in a sealed, non-reactive container such as a plastic or glass container to prevent degradation or reaction with other substances.