Trisodium Phosphate (TSP) Powder - White Crystal
Industrial and grade trisodium phosphate available in white crystalline form. Custom formulations available upon consultation.
Product Specifications
| Attribute |
Value |
| CAS Number |
15475-67-9 |
| EINECS Number |
231-509-8 |
| Appearance |
White crystal |
| Crystalline Hydrate |
12 Water crystals |
| Shelf Life |
Two years |
| Industry |
Chemical industry |
Product Variants
- Industrial Grade (Anhydrous) TSP - CAS 7601-54-9, 98% Na3O4P
- Grade TSP - CAS 7601-54-9, 97% Na3O4P
Industrial Grade Specifications (HG/T 2517-2009 Standard)
| Parameter |
Standard Value (%) |
| Trisodium phosphate content ≥ |
98 |
| Sulphate (as SO4) ≤ |
0.50 |
| Chlorine (as Cl) ≤ |
0.30 |
| Water insoluble ≤ |
0.05 |
| Methyl orange alkalinity (Na2) |
16.5-19.0 |
| Iron (Fe) ≤ |
0.01 |
| Arsenic (as As) ≤ |
0.005 |
Grade Specifications (GB 25565-2010 Standard)
Available upon request with complete certificate of analysis.
Physicochemical Properties
- Molecular weight: 367.86 g/mol
- Appearance: White crystalline or powdery solid
- Odor: Odorless or slightly sulphide odor
- Density: 2.52 g/cm³ (25°C)
- Melting point: About 622°C (decomposition)
- Chemical Safety: Unrestricted goods
- Solubility: Easily soluble in water (pH 9-10), insoluble in ethanol and organic solvents
- Hydrolysis: Gradually hydrolyzes in water to form orthophosphate
- Complexation: Forms soluble complexes with metal ions (Ca²+, Mg²+) for water softening
- Thermal stability: Decomposes at >600°C to form sodium phosphate and oxygen
- Acid-base properties: Weakly basic aqueous solution reacts with acids to form phosphates
Market Applications in China
Key Industries
- Detergent Industry: Essential ingredient in industrial and domestic cleaning products
- Water Treatment: Used as softener and corrosion inhibitor in water systems
- Processing: Approved additive for meat, dairy, and baked goods
- Metal Treatment: Surface treatment and phosphating processes
- Textile & Paper: Processing additive with stable demand
Market Drivers
- Environmental regulations promoting safer chemical alternatives
- Industrial growth increasing demand for cleaning and treatment agents
- Expansion of processing sector
- Technological advances in water and metal treatment applications
Regional Market Analysis
- East China: High demand for cleaning agents and applications
- South China: Metal treatment and textile industry focus
- North China: Water treatment and heavy industry applications
- Central/West China: Growing industrial demand for water treatment
Frequently Asked Questions
What is your payment term?
We accept T/T and L/C at sight payment terms.
Are you able to deliver on time?
We specialize in timely delivery while maintaining top product quality, with years of experience serving satisfied customers.
Do you provide free samples?
Yes, we provide free samples - customers only need to cover the express shipping costs.
How about the price? Can you make it cheaper?
We prioritize customer value and offer competitive, negotiable pricing based on order specifications.
Can I visit your company and factory in China?
We welcome visits to our Weifang facility and provide airport transportation assistance.
What if there is a quality problem?
Our professional after-sales team promptly addresses all quality concerns.