Potassium Pyrophosphate
| English name: |
Potassium pyrophosphate |
| Molecular formula: |
K4P2O7 |
| Molecular weight: |
330.05 |
| CAS NO.: |
7320-34-5 |
This product is white block solid or powdery or particle solid, easily deliquescence, easily soluble in water, aqueous solution is alkaline, insoluble in alcohol. Mainly used for non-cyanide plating, surface treatment, top-grade detergent, paint coating, cleaning agent, dispersing agent and buffer in industry; In food grade, it is mainly used as the emulsifier, organization improver, chelant and quality ameliorant in food processing.
| Model |
Index name |
| |
Export grade |
Plating grade |
| Tetra potassium pyro-phosphate K4P2O7% |
96 |
98 |
| Iron(Fe)% |
0.005 |
0.005 |
| water insolubles % |
0.08 |
0.08 |
| ph value(1% water solvent) |
10.51±1 |
| Or thophosphate PO4 |
No distinct yellow color when react with 0.1NAgNO3 |
| chloride (Cl)% |
0.45 |
- |
| heavy metal contents (Pb)% |
0.01 |
- |
| total phosphorus content(P2O5)% |
41 |
- |
Premium Quality for Advanced Surface TreatmentFengfan Potassium Pyrophosphate (K4P2O7) is a high-purity chemical intermediate specifically formulated for non-cyanide plating processes. With CAS 7320-34-5 certification, it ensures exceptional metal ion complexation, enhancing plating uniformity and adhesion. Ideal for electroless nickel plating and silver plating, this compound delivers reliable performance in industrial-scale operations.Engineered for Efficiency & Environmental SafetyAs a leader in electroplating chemicals, Fengfan prioritizes sustainability. Our Potassium Pyrophosphate eliminates toxic cyanide use, aligning with global green manufacturing standards. Its low volatility and high solubility reduce waste, making it a cost-effective choice for acid zinc plating and chemical gilding processes.Technical Excellence Backed by 40+ Years of ExpertiseDeveloped in Fengfan’s state-of-the-art Tech Park, this product reflects decades of R&D in surface treatment additives. Rigorous testing ensures batch-to-batch consistency, meeting ISO and industry benchmarks for purity (≥98%) and performance.
Product Advantages1. Superior Plating PerformanceFengfan’s Potassium Pyrophosphate enhances deposition rates and coating durability, critical for electroplating chemicals in automotive and electronics industries. Its stable pH range minimizes process fluctuations, reducing defects.2. Eco-Friendly & CompliantFree from cyanides and heavy metals, this compound supports sustainable production. Compliant with REACH and RoHS, it helps manufacturers meet stringent environmental regulations without sacrificing quality.3. Cost-Effective Supply ChainWith annual production capacity of 3,000–5,000 tons, Fengfan guarantees stable supply and competitive pricing. Our classified logistics system ensures timely delivery to global partners. Application Scenarios1. Non-Cyanide Zinc PlatingWidely used in acid zinc plating for fasteners and hardware, this chemical ensures bright, corrosion-resistant coatings while eliminating hazardous waste.2. Electronics & Connector PlatingEssential for silver plating on electrical contacts, providing low-contact resistance and oxidation protection in high-precision components.3. Decorative Chemical GildingIdeal for jewelry and luxury items, offering a brilliant finish without toxic cyanide baths, safer for workers and end-users.
About FengfanWith 40+ years in the surface finishing industry, Wuhan Fengfan Electrochemical Technology Co., Ltd. is a market leader in electroplating additives and chemical intermediates. Our 67-acre Tech Park in Wuhan integrates R&D, production, and quality control, serving clients across 20+ Chinese provinces and 30+ countries. As a vice-chairman member of China Surface Engineering Association, we hold 20+ patents and publish over 100 technical papers, driving innovation in green plating technologies.Contact Fengfan today at info@fengfan.netto request a sample or discuss custom electroplating chemical solutions for your production needs. FAQWhat is the purity level of Fengfan Potassium Pyrophosphate?The product has a minimum purity of 98%, tested via HPLC for industrial-grade consistency.Is this suitable for food-contact plating applications?No, it is designed for industrial surface treatment, not food-safe coatings.Can you provide technical support for process integration?Yes, our engineers offer pilot testing and troubleshooting for non-cyanide plating setups.What packaging options are available?Standard 25kg bags or customized bulk containers to suit your facility’s requirements.Do you ship globally?Yes, we export to Europe, the Middle East, and Southeast Asia with certified logistics partners.
