Sodium chloride 99.5% price

When sourcing 99.5% purity Sodium Chloride (NaCl), buyers must scrutinize the Certificate of Analysis (COA). Key parameters include moisture content (typically <0.1%), insoluble matter (<0.05%), and the presence of heavy metals like Lead (Pb) and Arsenic (As), which must fall within parts-per-million (ppm) limits. For industrial applications like chlor-alkali electrolysis or water softening, ensure the calcium and magnesium ion levels are minimized to prevent equipment scaling.

Compliance is strictly dictated by the end-use. Food-grade salt must adhere to FCC (Food Chemicals Codex) or ISO 22000/HACCP standards. Pharmaceutical-grade salt (used for dialysis or IV fluids) requires compliance with USP (United States Pharmacopeia) or EP (European Pharmacopoeia) and must be produced in a GMP-certified facility. Industrial-grade salt usually follows GB/T 5461 (in China) or equivalent ASTM standards.

For large-scale B2B procurement, 25kg or 50kg PP/PE woven bags are the industry standard for ease of handling. However, for maximum cost-efficiency in shipping, 1,000kg to 1,200kg Jumbo Bags (FIBC) are recommended as they reduce labor costs during loading and unloading. Ensure the bags include a PE inner liner to prevent moisture absorption and caking during long-term sea transit.

The price is primarily driven by energy costs (for vacuum salt evaporation), raw brine extraction costs, and logistics. Additionally, seasonal demand (such as de-icing needs in winter) can impact availability. Buyers should look for suppliers on Made-in-China.com that offer tiered pricing models, where purchasing in full container loads (FCL) can reduce the unit price by 10-15% compared to LCL orders.

The biggest risks are moisture damage (caking) and purity discrepancies. To mitigate this, always request a pre-shipment inspection (PSI) by third parties like SGS or Intertek. Ensure the contract specifies that the NaCl content must be ≥99.5% upon arrival, as humidity during sea transit can sometimes alter the weight and physical state of the product.

For new supplier relationships, utilize Letter of Credit (L/C) or Escrow-based payment services provided by reputable platforms like Made-in-China.com. Avoid 100% upfront T/T payments. A standard professional structure is 30% deposit and 70% against the Bill of Lading (B/L) copy, which balances the risk between the buyer and the seller.

Sodium chloride is highly corrosive to metals. When shipping in containers, ensure the carrier uses dry containers that are clean and free of odors. For 99.5% high-purity grades, it is vital to confirm the container is watertight to prevent seawater ingress. For inland transport to your warehouse, use covered trucks to protect the cargo from rain and environmental contaminants.

Check the HS Code (typically 2501.00) against your country's tariff schedule. Some regions impose anti-dumping duties on specific chemical products. Furthermore, ensure the supplier provides a Material Safety Data Sheet (MSDS) and a Certificate of Origin (CO) to benefit from any Free Trade Agreements (FTAs) that might reduce import duties.