Might have the odor of mercaptan sometimes. Its acqueous solution is relatively stable under room temperature or 50°C. If there is hydrogen ion, it will decompose and produce hydrogen sulfide. Easily soluble in water and alcohol, hard to solve in ether, benzene, and petroleum ether.

Used as the raw materials curing ingredient, crosslinking agent, rubber adjuvant, chemical reagent, raw medicines, catalyst, stablizer, retarder, electroplating additive, pesticides, textile dyeing and finishing auxiliaries, concentrating adjuvants, solidifying agents M68 for powder coating, vitamin H, luminous products, etc.