Trisodium Phosphate
NO. | Items for detecting and analyzing | Standard value | ||
Grade I | Grade II | Anhydrous Grade | ||
1 | TSP Main content (Na₃PO4.12H₂O) w/%≥ | 98.0 | 95.0 | - |
2 | TAPA Main content (Na₃PO₄) w/%≥ | - | - | 97.0 |
3 | Sulphate (as SO₄) w/%≤ | 0.50 | 0.80 | - |
4 | Chlorine(as Cl) w/%≤ | 0.40 | 1.00 | - |
5 | Water insoluble w/%≤ | 0.05 | 0.80 | 0.20 |
6 | Iron(as Fe) w/%≤ | 0.01 | 0.01 | - |
7 | Arsenic(as As) w/%≤ | 0.005 | 0.005 | 3.0 mg/kg |
8 | Fluoride(as F) w/%≤ | - | - | 50.0 mg/kg |
9 | Heavy Metal (as Pb) w/%≤ | - | - | 10 mg/kg |
10 | pH(10g/L) | 11.5~12.5 | 11.5~12.5 | 11.5~12.5 |
11 | Phosphorus pentoxide(P₂O₅) w/%≥ | 18.5 | 17.5 | 43.0 |
12 | Loss onignition (LOI) w/%≤ | - | - | 2 |
1. Heavy-Duty Cleaning & Degreasing
Industrial & Commercial Cleaning: Trisodium Phosphate, commonly formulated as TSP cleaner, is a staple for cleaning heavily soiled surfaces such as concrete driveways, warehouse floors, and garage walls. The powerful degreasing ability of Trisodium Phosphate enables TSP cleaner to emulsify grease and oils effectively, making TSP cleaner ideal for tackling industrial-grade grime. Many commercial cleaning services rely on Trisodium Phosphate-based TSP cleaner for its unmatched ability to cut through tough dirt without damaging durable surfaces.
Surface Preparation (Paint & Coating): Trisodium Phosphate for paint prep is a classic use, with TSP cleaner being the preferred formulation for this purpose. Trisodium Phosphate in TSP cleaner effectively deglosses and deeply cleans walls, trim, and other surfaces before painting or staining. Using Trisodium Phosphate-based TSP cleaner ensures optimal adhesion of paints and stains, resulting in a professional, long-lasting finish. DIY enthusiasts and professional painters alike trustTrisodium Phosphate and TSP cleaner for consistent surface preparation results.
Graffiti & Stain Removal: The powerful cleaning action of Trisodium Phosphate in TSP cleaner helps remove tough stains, graffiti, and mildew from masonry and other outdoor surfaces. TSP cleaner’s high alkalinity, derived from Trisodium Phosphate, breaks down the chemical bonds of graffiti pigments and embedded stains, making them easy to rinse away. Trisodium Phosphate ensures that TSP cleaner can handle even the most stubborn marks on concrete, brick, and stone surfaces.
2. Boiler & Water Treatment
Scale and Corrosion Control: In water treatment, Trisodium Phosphate serves as an effective corrosion inhibitor and scale preventative. Trisodium Phosphate helps maintain the efficiency and longevity of boiler systems, cooling towers, and pipelines by binding to minerals and metals in the water, preventing scale buildup and corrosion. Unlike TSP cleaner, which is formulated for surface cleaning, Trisodium Phosphate used in water treatment is tailored for aqueous system protection, though its core chemical properties remain consistent. Many industrial water treatment programs prioritize Trisodium Phosphate for its reliability and cost-effectiveness.
3. Food Processing Industry
Approved Food Additive (E339(iii)): In regulated quantities, food-grade Trisodium Phosphate is used as an emulsifier, nutritional supplement (source of phosphorus), and acidity regulator. Trisodium Phosphate is found in processed cheeses, cereals, and meat products to enhance texture and stability. It’s important to note that food-grade Trisodium Phosphate differs from the Trisodium Phosphate used in TSP cleaner, as it meets strict purity standards for food contact. The food industry relies on Trisodium Phosphate to improve product quality and extend shelf life while complying with safety regulations.
4. Metal Treatment & Manufacturing
Metallurgy: Trisodium Phosphate is widely used in metal cleaning and surface treatment processes, often as a key component in industrial-grade TSP cleaner formulations for metal. Trisodium Phosphate in TSP cleaner helps remove rust, scale, and contaminants from metal surfaces prior to plating, painting, or further fabrication.TSP cleaner ensures that metal surfaces are free of impurities, which is critical for achieving strong adhesion in subsequent manufacturing steps. Trisodium Phosphate’s ability to clean without etching metal makes it a safe and effective choice for this application.
Ceramics & Tile Production: Trisodium Phosphate acts as a dispersing agent in the production of ceramics and tiles, ensuring even mixture of materials. Trisodium Phosphate prevents clumping of ceramic powders, promoting uniform distribution of ingredients and improving the consistency of the final product. While not a TSP cleaner application, this use leveragesTrisodium Phosphate’s chemical properties to enhance manufacturing efficiency. Ceramic manufacturers rely on Trisodium Phosphate to produce high-quality tiles and ceramic products with consistent texture and strength.
5. Laundry & Detergent Booster (Regulated)
Historically, Trisodium Phosphate was a key ingredient in heavy-duty laundry detergents and degreasers, often formulated as a TSP cleaner additive for laundry. Trisodium Phosphate’s ability to break down grease and lift stains made it a popular choice for tough laundry tasks. However, its use in consumer detergents is now heavily regulated or banned in many regions due to environmental concerns regarding phosphate runoff. Despite this, Trisodium Phosphate andTSP cleaner are still found in specific industrial laundry formulations where their cleaning power is indispensable, with strict controls to minimize environmental impact.
