 |
Product Categories
Chemical Materials
Basic Info.
Additional Info.
Product Description
The description of STPP
1. General information
Hs code: 2835310000
CAS No: 7758-29-4
Grade national standard China
Formula: Na5p3o10
Molecular weight: 367.86
2. Properties
Appearance: White powder
Melting point: 622
Boiling point: 100
3. Application
Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyze, also used in epuration of petroleum product, gum latex storage, as dispersant, solvent in metal industry and pharmaceutical industry.
4. Packing
25kgs plastic woven bag with inner lining
25kg 3 layers PP/pet package
| Indexes | Industrial Grade | Food Grade |
| Assay Na5P3O10 % ≥ | 94.0 | 94.0 |
| P2O5 % ≥ | 57.0 | 57.0 |
| Water Insoluble Matter % ≤ | 0.15 | 0.05 |
| Iron(Fe) % ≤ | 0.01 | 0.01 |
| PH value (1% water solution) | 9.2-10.0 | 9.5-10.0 |
| Heavy Metal (as Pb) % ≤ | 0.001 | |
| Arsenic (As) % ≤ | 0.0003 | |
| Fluoride (F) % ≤ | 0.003 | |
|
Particle Size Through 16 mesh sieve % ≥ Through 35 mesh sieve % ≥ Trough 100 mesh sieve % ≥ |
95 90 40 |
95 90 40 |
| Whiteness % ≥ | 90 |
90 |