PTSA，70-55-3

PTSA (1H-1,2,4-Triazole-3-thiol), CAS Number 70-55-3, is a high-purity, fine white crystalline powder used across a range of industrial and research applications. Known for its strong chelating and corrosion-inhibiting properties, PTSA is a trusted additive in water treatment, metalworking fluids, and polymer stabilization systems.