Trisodium Phosphate

Trisodium Phosphate (TSP) is a highly alkaline inorganic compound renowned for its exceptional cleaning, degreasing, and water-softening capabilities. Featuring a high purity of ≥ 98.0%, it is widely utilized as a heavy-duty industrial cleaner to effectively strip stubborn grease, oils, and dirt from metal and concrete surfaces. Furthermore, its excellent ability to precipitate calcium and magnesium ions makes it an indispensable water treatment agent for preventing scale build-up in industrial boiler systems.

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Product Description

Appearance:

White crystals or granular powder. (Available in both Anhydrous and Dodecahydrate forms; specifications below are based on standard Industrial Dodecahydrate).

Specifications (Industrial Grade – 98%):

Item	Technical Standard
Main Content (Na₃PO₄ · 12H₂O)	≥ 98.0%
Phosphorus Pentoxide ($P_2O_5$)	≥ 18.3%
Water Insoluble Matter	≤ 0.10%
Sulfate ($SO_4^{2-}$)	≤ 0.50%
pH Value (1% aqueous solution)	11.5 – 12.5

Applications:

Industrial Cleaning & Degreasing: Acts as a powerful heavy-duty alkaline cleaner. It effectively saponifies fats and oils, making it the industry standard for removing stubborn grease, grime, and oil stains from metal surfaces, machinery, and concrete prior to painting, plating, or welding.

Water Treatment: Widely used as a premium water softening agent and scale inhibitor in industrial boiler systems. It reacts with calcium and magnesium to form non-stick sludge that can be easily blown down, preventing hard scale accumulation.

Construction & Paint Preparation: Serves as a pre-paint surface preparation agent to degloss oil-based paints and thoroughly clean walls, ensuring optimal adhesion for new coatings.

Textile & Paper Industry: Functions as a color enhancer and degreasing agent in textile dyeing, and as an active processing aid in paper manufacturing.

Safety & Handling:

Precautions: TSP is a strongly alkaline compound. Direct contact can cause irritation or chemical burns to the eyes, skin, and respiratory tract. Strictly avoid breathing dust. Must wear appropriate personal protective equipment (PPE), including chemical-resistant gloves, safety goggles, and respirators during handling.

Packaging & Storage:

Standard Packaging: 25kg PP woven bags with PE inner liner, or 1000kg Jumbo bags.

Storage Recommendations: Store in a cool, dry, and well-ventilated indoor warehouse. The product is hygroscopic and tends to cake when exposed to damp air. Keep packaging tightly sealed and store completely separate from strong acids.

Shelf Life: 24 months (under strictly dry and sealed conditions).

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