Trisodium phosphate
Trisodium phosphate
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Trisodium Phosphate (Na₃PO₄) 7601-54-9

Model NO. Trisodium phosphate
CAS No. 7601-54-9
Formula Na₃PO₄
Payment L/C, T/T, D/P, D/A, etc.
Production capacity 20000 t/y
Customization Available
Certification CE, RoHS, ISO, SGS, Halal
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Overview

XRD Chemical is a professional Trisodium Phosphate (TSP) manufacturer and supplier in China, offering high-purity trisodium phosphate (98% min) in anhydrous and dodecahydrate forms for industrial cleaning, food processing, water treatment, and industrial applications.

Trisodium phosphate, with the formula Na₃PO₄ and a molecular weight of 163.94 g/mol for the anhydrous form, is a highly water-soluble inorganic phosphate compound. It produces a strongly alkaline solution when dissolved in water, making it an effective cleaning agent, degreaser, and emulsifier. The dodecahydrate form (Na₃PO₄·12H₂O) contains twelve water molecules of crystallization and is also widely used.

The primary application of TSP is as a heavy-duty industrial cleaner and degreaser for removing grease, oil, and stubborn soils from surfaces such as concrete, masonry, metal, and wood. In food processing, food-grade TSP is used as an emulsifier in processed cheese, a pH regulator, and a mineral supplement. Additional applications include water treatment for corrosion inhibition and scale control, textile processing as a scouring agent and dye fixative, ceramic production, and as an auxiliary agent in paper manufacturing.

Why Choose XRD Trisodium Phosphate:

• 98% Na₃PO₄ purity, anhydrous and dodecahydrate forms available
• Highly alkaline — effective heavy-duty cleaner and degreaser
• Industrial grade for cleaning, degreasing, and surface preparation
• Food grade (FCC) for cheese emulsifying and food processing
• Also suitable for water treatment, textiles, and ceramics
• High water solubility — easy to prepare cleaning and dosing solutions
• Free samples available for evaluation
• COA and MSDS documents available for download

Details

HS Code 2835.29
Synonym Sodium phosphate tribasic, TSP, Trisodium orthophosphate, Sodium orthophosphate
Forms Available Anhydrous powder, Dodecahydrate (crystalline form), Solution (liquid form)
Density Anhydrous: ~2.54 g/cm³, Dodecahydrate: ~1.62 g/cm³
Purity Industrial grade: ≥95%, Food grade: ≥98% (meets FCC standards)
Molecular Weight Anhydrous: 163.94 g/mol, Dodecahydrate: 380.12 g/mol
Appearance White crystalline powder or granules (hygroscopic)
Grades Industrial grade, Food grade (FCC), Reagent grade (lab use)
Packing Options 25KG, Big bags, Palletizing, Customization

Applications

Food additiveWater treatmentDegreaser and metal pretreatmentLaboratory reagentIndustrial & household cleaning agent

FAQ

Q What is Trisodium Phosphate (TSP)?

Trisodium Phosphate (Na₃PO₄) is a highly water-soluble inorganic phosphate compound that produces a strongly alkaline solution in water. The anhydrous form has a molecular weight of 163.94 g/mol. TSP is widely used as an industrial cleaner and degreaser, in food processing, water treatment, and textile manufacturing.

Q What is the difference between anhydrous and dodecahydrate TSP?

Anhydrous TSP (Na₃PO₄) contains no water of crystallization and has higher phosphate content by weight, making it more efficient for shipping and storage. Dodecahydrate TSP (Na₃PO₄·12H₂O) contains twelve water molecules and is easier to dissolve in water. Both forms produce the same strongly alkaline solution when dissolved. Anhydrous is generally preferred for industrial use, while dodecahydrate is common in retail and smaller-scale applications.

Q How is TSP used as an industrial cleaner and degreaser?

TSP is one of the most effective heavy-duty alkaline cleaners available. It saponifies fats and oils, converting them into water-soluble soaps that rinse away easily. It is widely used for cleaning concrete floors, masonry walls, and metal surfaces before painting, as a degreaser for kitchen equipment and exhaust hoods, and for removing smoke and soot damage. Typical use concentrations range from 2-8% in hot water.

Q Is food-grade TSP available and how is it used?

Yes, XRD Chemical supplies food-grade Trisodium Phosphate that meets FCC specifications. In food processing, TSP is used as an emulsifier in processed cheese to improve texture and melting properties, as a pH regulator, and as a mineral supplement. It is also used in meat and seafood processing for moisture retention. Food-grade TSP is produced under strict quality control to ensure safety for human consumption.

Q What are the water treatment applications of TSP?

In water treatment, TSP is used for corrosion inhibition in boiler water and cooling water systems by forming a protective phosphate film on metal surfaces. It also helps control scale formation by sequestering calcium and magnesium ions. In municipal water systems, it is sometimes added to reduce lead and copper solubility. TSP-based treatment programs are used in both industrial and institutional water systems.

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