How Trisodium Phosphate (TSP) Is Used in Water Treatment: Practical Application Guide

Trisodium Phosphate (TSP) (磷酸三钠) is one of the most widely specified water plant auxiliary chemicals used across municipal and industrial facilities. As a TSP water softener, it delivers reliable performance in the scenarios our customers ask about most: Water soften agent and remover agent for water treatment; food-processing, medical, agriculture, metal finishing.

What Trisodium Phosphate (TSP) Is and How It Works

Trisodium Phosphate (TSP) is supplied as White powder. Its molecular formula is Na3PO4 (CAS 7601-54-9). Because of this physical form it dissolves and disperses predictably, which makes dosing and process control straightforward for plant operators.

Primary Applications

Its key application areas include: Water soften agent and remover agent for water treatment; food-processing, medical, agriculture, metal finishing. In practice this means TSP water softener is selected for both routine maintenance and shock-treatment programs, depending on the water matrix and treatment goal.

• Process reliability: stable active content and consistent granule/tablet size improve dosing accuracy.

• Compatibility: works within existing dosing and storage setups common to water plant auxiliary chemicals programs.

• Logistics: available in 25/50/1000kg woven bag lined plastic, simplifying import and warehouse planning.

Why Buyers Choose This Grade

When specifying Trisodium Phosphate (TSP), buyers typically compare active content, packaging and the applicable standard (HG/T2517-2009, GB25565-2010). Selecting the right grade reduces consumption and protects downstream equipment.

Operators who also run complementary programs often pair this product with Dipotassium Hydrogenphosphate (DKP) to cover the full treatment chain from clarification to disinfection.

Get a Quote

We supply Trisodium Phosphate (TSP) in full container and mixed-pallet quantities with COA and MSDS for every lot. View the Trisodium Phosphate (TSP) product page for specifications, packaging options and lead times.