Potassium Sulfite
group namePotassium Sulfite
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Min Order1 piece
brand nameANPUSU Sulfite Thiosulfate Factory direct sale
payment methodCash
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update timeFri, 27 Feb 2026 01:21:19 GMT
Paramtents
Chemical information K₂SO₃
CAS number 10117-38-1
Physical form Colorless to light yellow liquid solution
Concentration/Content 44% - 46%
Implementation standard GB/T 22409-2008
Packaging information 200L drums and IBC totes
Packging & Delivery
Min Order1 piece
Briefing
Our Potassium Sulfite Solution is a high-purity, versatile reducing agent manufactured with over two decades of expertise in sulfite chemistry.
Detailed
Our Potassium Sulfite Solution is a high-purity, versatile reducing agent manufactured with over two decades of expertise in sulfite chemistry.Strictly conforming to the GB/T 22409-2008 standard (equivalent to ISO 5990:2000), it delivers unmatched performance and consistency for demanding applications in photography, water treatment, and beyond.As a vertically integrated solution partner, we guarantee a stable, cost-effective supply from our massive production capacity.
Proven Efficacy: Acts as an efficient oxygen scavenger and protective agent, preventing oxidation and ensuring process stability
Guaranteed Purity: Produced under ISO 9001 quality systems and undergoing 4 rigorous inspection steps to meet the strictest standards for photographic and electronic applications.
Dual-Industry Application: Expertly formulated to serve both the precision-driven photography industry and the robust needs of industrial water treatment.
Supply Security: Backed by China's largest sulfite production capacity, ensuring reliable and timely delivery for your operations.
Product Core Parameters
Item | Specification |
Specification | K₂SO₃ |
CAS No. | 10117-38-1 |
Appearance | Colorless to light yellow liquid solution |
Specification (Ammonium Sulfite Monohydrate) | 44% - 46% |
Executive Standard | GB/T 22409-2008 |
Package | 200L drums and IBC totes |
Application areas | Photography Industry,Water Treatment,Electronics Industry |
Main functions | Protective Agent (Preservative),Dechlorinator, Oxygen Scavenger,Reducing Agent |
Storage conditions | It is generally required to store in a cool, dry, and ventilated place, avoiding contact with strong acids, sources of fire, or heat |
Environmental protection features | Removes residual chlorine and dissolved oxygen from water, protecting industrial systems (like RO membranes) from corrosion and degradation. |
What is the primary use of your Potassium Sulfite in the photography industry?
In photography, it serves as an essential protective agent in developer solutions. It preferentially reacts with oxygen, preventing the oxidation and degradation of the developing agents, which ensures consistent image quality and extends the solution's shelf life.
Why is your Potassium Sulfite suitable for high-purity applications like photography and electronics?
Because it is produced and tested to meet the stringent GB/T 22409-2008 / ISO 5990:2000 standard for photographic-grade chemicals. This standard mandates low levels of impurities, ensuring it will not interfere with sensitive processes like film development or PCB manufacturing.
Can we use your Potassium Sulfite for dechlorination in our RO water treatment system?
Absolutely. It is an effective and safe dechlorinating agent for RO systems. It quickly neutralizes residual chlorine, protecting the delicate RO membranes from oxidative damage, which is crucial for maintaining system efficiency and longevity.
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- FOB, CFR, CIF, EXW, FCA
- Acceptable payment methods
- Cash