Chemical Name : Thioure Dioxide 99%Min.
Formula : CH4N2O2S
Cas No. : 1758-73-2
UN No. : UN3341
Package : 25Kg/Bag - 50Kg/Fiber Drum
Origin : China
Category : Textile Dyeing, Detergents, Waste water treatment, Paper production …
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Thiourea Dioxide is a powerful reducing agent widely used in dyeing, printing, and decolorization processes. It is known for its high efficiency, stable reducing performance, and lower odor compared to sodium hydrosulfite.
| Application | Purpose | Key Advantages |
|---|---|---|
| Reduction Clearing | Removes unfixed disperse dyes on polyester | Enhances wash fastness and fabric brightness |
| Stripping / Color Correction | Used to correct shade and remove excess dye | High color removal efficiency with minimal fiber damage |
| Printing Paste Discharge | Decolorization of dyed fabric patterns | Produces sharp, clean discharged designs |
| Reductive Dyeing | Works with vat and sulfur dye systems | More stable than hydrosulfite, reduces re-oxidation |
| Decolorization of Dye House Effluent | Breaks chromophore structures in dyes | Helps reduce color and improve wastewater quality |
Used on polyester, cotton, blends, and various synthetic fibers.
Brightening and de-inking in paper recycling
Bleaching of mechanical pulp without excessive fiber damage
Improves whiteness while reducing chlorine-based chemicals
Intermediate in pharmaceuticals, dyes, and organic synthesis
Used as a reducing agent in leather bleaching and deliming
Metal ion reduction
Removing oxide layers in circuit production
Recovery of precious metals from wastewater or plating solutions
Strong and controlled reducing capability
Better stability than sodium hydrosulfite
Low odor emission and safer handling
Effective in both acidic and alkaline conditions
Enhances fastness and surface quality of dyed fabric
Store in cool, dry and well-ventilated areas
Avoid contact with moisture and strong oxidizers
Use protective equipment during handling
NGHI SON CHEMICALS IMPORT EXPORT COMPANY LIMITED
Head office:
P7-38.OT09 ("Officetel") Vinhomes Central Park, 720A Dien Bien Phu Street, Thanh My Tay Ward, Ho chi minh city, Vietnam 70000
License/Tax Code : 0312824002
Tel: +84-28-36208490
Fax : +84-28-36208492
Website: https://www.nghisonchemical.com
Email : Nghisonchem@nghisonchemical.com
Nscchem@nghisonchemical.com
Nghisonchem@gmail.com
Fact. No.1 :
Lot A5-1, D9 Street, Rach Bap IP, An Tay Commune, Ben Cat District, Binh Duong Province, Vietnam.
Warehouse No.1 :
No. 7 Street, Hai Son IP, Duc Hoa Ha Commune, Duc Hoa Ward, Long An Province
Warehouse No.2 :
Lot D, No.6-8 Street, Song Than IP, Di An Ward, Hochiminhcity, Vietnam
Warehouse No.3 :
No. 10, Song Than IP, Di An ward, Hochiminhcity, Vietnam
