Alternate Text

Molecular formula: NH2CSNH2

Molecular weight: 76

CAS No.: 62-56-6

Property:White crystal, bitter taste, soluble in water and alcohol.


  1. Used in producing Thiourea Dioxide,replacing Sodium Hydrosulfite.

2. Used as flotation agent in gold mine.


3. Used as bleaching agent, coloring agent and antioxidant in textile industry.
4. Used as rubber vulcanization accelerator in rubber industry.
5. Used as developing or fixation stabilizer in photographic materials industry.
6. Used as electroplating additives in electroplating industry which can enhance the stability of electroplate liquid and guarantee uniformly glossy surface.
7. Used as raw materials for resin molding powder in coating industry.
8. Used as chemical reagent in chemistry.
Moreover, it could also be used in printing paper and cleaning dirt of high-pressure boil Manufacture of intermediate, rayon synthetic pharmaceuticals, dyestuffs, Synthetic resins, photographic fixing agent.  

Packing:Net in 25 KG/550 KG plastic woven bag.



99% Min

Melting point



0.1% Max

Loss on heating

0.4% Max

Thio cyanide salt

0.02% Max

Matter insoluble in water

0.02% Max



Is a specialized manufacturing and operating chemical enterprise Our company own variety of export products which are widely used in chemical, pharmaceuticals, textile printing & dyeing, leather processing, fertilizer, water treatment, construction industry, food &feed additives and other areas. Oxalic acid, formic acid, sodium formate, calcium formate, sodium sulphide, series of humic acid, sodium hydrosulphide, ammonium chloride, sodium thiosulfate, and calcium nitrite are partial strong products. Among them, STPP occupy largest export volume and export to more than 20 countries and regions in America , Asia, Africa and other continents, winning customers praise with its superior quality , favorable price and excellent service. For over 10 years, stick to business philosophy of" you should give your customer what they really need not what you think they need ", Verdi has built long term & stable trade relationship with more than 45 countries and regions in the world. sincerely hope to cooperate with more clients in the world and seek common developments.