Trisodium Phosphate

Trisodium phosphate is a strongly alkaline phosphate used in industrial cleaning, water treatment, metal preparation and process formulations.

Also known as: TSP, Sodium phosphate tribasic, Trisodium orthophosphate

Crown Step supplies Trisodium Phosphate from qualified manufacturers in China for wholesale and export orders. Batch-specific COA, SDS and available regulatory documentation can be provided with the quotation.

Product Information

  • International name: Trisodium Phosphate
  • Chemical formula: Na3PO4·12H2O
  • CAS number: 10101-89-0 (dodecahydrate)
  • Appearance: White crystalline powder
  • Packaging: 25 kg bags
  • Storage: Store sealed and protected from moisture in a cool, dry area; typical shelf life 12 months

Typical Applications

  • Industrial detergents and degreasers
  • Water treatment and boiler cleaning
  • Metal cleaning and surface preparation
  • Pulp and paper processing
  • Buffering and pH adjustment

Typical Specification

Parameter Typical value
Na2O Min. 17.7%
Total P2O5 Min. 18.3%
pH, 1% solution 11.5-12.5
Assay Min. 98%
Water-insoluble matter Max. 0.01%
Sulfate Max. 0.42%

The values above are typical commercial specifications and must be confirmed against the current manufacturer’s COA before purchase.

For price, minimum order quantity, lead time and shipping terms for Trisodium Phosphate, send us your inquiry through the form below.