TSP/Trisodium Phosphate
TSP Chemical: Versatile compound used as a cleaning agent, food additive, and more.
Trisodium Phosphate
- CAS Number: 7601-54-9
- UN NO.: 3262/9148
- EINECS NO.: 231-509-8
- Molecular Formula: Na3PO4
- Purity (%): Typically available in various purity levels, such as 98% and above.
- Appearance: White, crystalline powder.
- Package: 25kgs/bag, as per customer’s demand.
- Other Name: Sodium phosphate; Sodium phosphate tribasic; Trisodium orthophosphate
Trisodium Phosphate Specification
| ITEMS | SPECIFICATIONS |
| （Na3PO4）Content % | ≥98% |
| P2O5 | ≥42% |
| Na2O | ≤40 |
| PH | 11.5~12.5 |
| Methyl orange alkalinity | ≥36% |
| Water insoluble matter | ≤0.1% |
| ITEMS | SPECIFICATIONS |
| （Na3PO4）Content % | ≥97% |
| PH | 11.5~12.5 |
| Arsenic(as As) | 3ppm max |
| Fluorine(as F) | 50ppm max |
| Heavy Metal(Pb) | 10ppm max |
| Loss on ignition | 2% max |
| Water insoluble matter | 0.2% max |
What is Trisodium Phosphate
Trisodium phosphate (TSP) is an inorganic compound with the chemical formula Na3PO4. It is a strongly alkaline white crystalline solid, mainly used as a powerful detergent, food additive, and industrial degreasing agent.
Key Advantages
- Strong alkalinity and saponification: At a concentration of 1%, TSP solution has a pH of approximately 11.5 to 12.5, making it an excellent degreaser. It converts grease into soap (saponification), making it an essential choice for heavy-duty industrial cleaning and engine degreasing.
- Superior surface finishing properties: In the construction and metalworking industries, TSP etches bright surfaces and removes deep-seated contaminants, ensuring maximum adhesion of paints and industrial coatings.
- Advanced scale inhibition properties: In boiler systems and cooling towers, TSP precipitates calcium and magnesium ions into a soft, easily flushable sludge, preventing corrosive cracking and mineral deposits, thus avoiding damage to costly infrastructure.
What is Trisodium Phosphate Used for?
- Water Treatment: Helps control the growth of algae and biofilm (slime) in water systems, particularly in industrial cooling towers.
- Cleaning Agent: A powerful cleaner effective at removing tough grease, grime, and dirt from walls, floors, kitchen equipment, and outdoor surfaces.
- Paint Preparation: Prepares surfaces (like walls or wood) for painting by thoroughly cleaning away dirt, grease, and oils to ensure proper paint adhesion.
- Stain Remover: Effectively removes stubborn stains such as ink, coffee, tea, and wine from fabrics, carpets, and hard surfaces.
- Degreaser: Used extensively as an industrial and automotive degreaser to clean oil and grease from machinery, engines, and car parts.
- Food Industry: Functions as a pH regulator, emulsifier, and texture modifier in certain processed foods like cheeses, canned meats, and beverages.
25kgs/bag, as per customer’s demand.
Trisodium Phosphate (TSP) must be stored in a cool, dry, well-ventilated place in a sealed container with the correct label.
Trisodium Phosphate for Sale
In the highly competitive B2B market of 2026, trisodium phosphate (TSP) remains a cornerstone chemical due to its high alkalinity and multifunctional properties. Despite challenges from phosphate price volatility and environmental regulations in the global supply chain, the reliability of TSP in industrial and food-grade applications ensures continued strong demand.
Strategic Sourcing: Why Choose HOO CHEMTEC?
For B2B buyers in 2026, security of supply and quality certification are the highest priorities. HOO CHEMTEC distinguishes itself through a vertically integrated and service-oriented model:
- Dual-Grade Mastery: Hoochemtec provides both Industrial Grade (min. 98% purity) and Food Grade TSP, adhering to global standards including ISO 9001, SGS, and REACH compliance.
- Technical Expertise: Unlike general trading firms, Hoochemtec’s team consists of chemistry professionals who provide site-specific advice for water treatment and industrial formulations.
- Logistics speed: With its strategic location, it can reach Chinese ports within seven days, ensuring rapid export to the global market and reducing inventory holding costs for international customers.
- Low-risk procurement: We provide free samples (0.5-1.0 kg) for laboratory testing and offer 24-hour responsive after-sales support to resolve application issues.
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