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I have found results from30000+products and9000+suppliers aboutPhosphoric acid price
When sourcing Phosphoric Acid, the concentration (typically 75%, 85%, or 95%) and purity grade are the most critical factors. For the food industry, you must ensure it meets Food Grade (FCC) standards with strict limits on heavy metals like Arsenic (<3ppm) and Fluorine (<10ppm). For industrial uses like metal treatment or fertilizer production, Technical Grade is sufficient, but you should still verify the Iron (Fe) and Sulfate (SO4) content to prevent unwanted chemical reactions in your processes.
As a chemical product, Phosphoric Acid must be accompanied by a Material Safety Data Sheet (MSDS) and a Certificate of Analysis (COA) for every batch. For food-grade applications, look for ISO 22000, HACCP, Kosher, or Halal certifications. Since it is a corrosive substance, ensure the supplier complies with UN Packaging Standards (UN1805) to meet international maritime and air transport regulations.
The price is heavily influenced by the cost of raw phosphate rock and yellow phosphorus, as well as energy prices. To optimize costs, consider bulk purchasing in IBC tanks or ISO tanks, which can reduce the unit price by 15-20% compared to small drums. Additionally, sourcing from suppliers on Made-in-China.com who are located near major ports can significantly lower inland logistics costs.
For rust removal and phosphating, the clarity of the liquid and the absence of suspended solids are vital. Ensure the acid has a low chloride content to avoid pitting corrosion on metal surfaces. Requesting a pre-shipment sample to test the etching rate and coating weight consistency is highly recommended for large-scale industrial buyers.
Phosphoric Acid is classified as a Class 8 Corrosive Substance. The primary risk is leakage due to improper packaging, which can lead to port rejection or fines. Always confirm that the supplier uses acid-resistant HDPE drums or lined tanks that are UN-certified. Ensure the cargo is properly stowed away from alkalis and flammable materials during transit.
To mitigate financial risk, use Secure Payment services provided by platforms like Made-in-China.com. Conduct third-party inspections (such as SGS or BV) before the balance payment is made to verify that the P2O5 content matches the contract specifications. Avoid suppliers who refuse to provide a Business License or Export Permit for hazardous chemicals.
Negotiate based on volume-based pricing tiers and long-term supply contracts. Since chemical markets fluctuate, you can propose a formula-based pricing model linked to raw material indices. Mentioning that you are evaluating multiple verified gold suppliers on Made-in-China.com can also provide leverage to secure better credit terms or lower MOQs for trial orders.
Buyers must check their local import permits for 'precursor chemicals' or hazardous goods. Ensure the supplier provides the Correct Shipping Name (CSN) and UN Number (1805) on all customs documents. For shipping to the US or EU, ensure compliance with REACH regulations or TSCA requirements to avoid lengthy customs delays or seizures.