Sodium tripolyphosphate is an important auxiliary in synthetic detergent. It is also used in food industry and softening process of industrial water.
| Product name | Sodium Tripolyphosphate |
|---|---|
| Alias | pentasodium triphosphate; Pentasodium Tripolyphosphate; Sodium Phosphate Tripoly; STPP; Triphosphoric acid, pentasodium salt; Pent-sodium Phosphate; Sodium triphosphate; Sodium Tripolyphos; sodium phosphate (3:1) |
| English name | Sodium Tripolyphosphate |
| Molecular formula | Na5P3O10 |
| Density | Density of I type is 2.62g/cm3, II type is 2.57g/cm3 |
| Solubility | Soluble in water, and the aqueous solution is alkaline |
| Appearance and properties | White powdery crystal with good fluidity |
Technical requirements
1. Appearance: white particle or powder
2. Industrial sodium tripolyphosphate must meet the following requirements (GB9983-2004)
Item Index
Superior First-class Qualified
Whiteness, % ≥ 90.0 85.0 80.0
phosphorus pentoxide (P2O5), % ≥57.0 56.5 55.0
Sodium tripolyphosphate (Na5P3O10), % ≥ 96.0 90.0 85.0
Water insoluble, % ≤ 0.10 0.10 0.15
Iron content (Fe),% ≤ 0.007 0.015 0.030
PH value (1% solution)9.2-10.0
Screen rate (through 1.00mm test sieve)≥95%
Sodium tripolyphosphate can be used in petroleum, metallurgy, mining, papermaking, water treatment, and etc. It is mainly used as auxiliary of synthetic detergent, softener of industrial water, dyeing auxiliary, anti-oil agent in papermaking industry, quality improver in food industry.
Add: 2/F, Riyue Building, No. 2, South Taiping Road, Nanjing City, Jiangsu, China
P. C.: 210001
Tel: +86-25-84650019 , 84650020 , 84650021
Fax: +86-25-84650026
URL: www.senking.com.cn