- Organic Fine Chemicals
- Flame Retardants
- Rubber and Plastic Chemicals
- Paint, Ink , Coating and Adhesive Chemicals
- Food and Feed Additives
- Cosmetic and Detergent Chemicals
- Oil & Gas Drilling Chemicals
- Water Treatment Chemicals
- High Quality(High purity) Solvents
- Metals and Mining Chemicals
- Battery/Semiconductor/Liquid crystal
- Construction Chemicals
- Others
Sodium Tripolyphosphate(STPP)
Identification:
Chemical Name: Sodium Tripolyphosphate
Synonyms: Pentasodium Tripolyphosphate; Sodium Phosphate Tripoly; STPP;
CAS No.: 7758-29-4
Molecular Formula: Na5P3O10
Specifications:
Items | Excellent class | First Class | Second Class |
Appearance | White Powder | ||
STPP % | ≥96 | ≥90 | ≥85 |
P2O5 % | ≥57.0 | ≥56.5 | ≥55.0 |
Water insolubilities % | ≤0.10 | ≤0.10 | ≤0.15 |
Iron (Fe) | ≤0.007 | ≤0.015 | ≤0.030 |
Whiteness % | ≥85 | ≥75 | ≥65 |
PH (1%) | 9.2-10.0 | ||
1.00mm mesh residues % | ≤5.0 | ||
Application:
Mainly used in synthetic detergent additives can also be used in petroleum, metallurgy, mining, water treatment and other industries. In food industry, it is used as water conservative, applied to can, fruit drinks, milk products, vegetable protein drinks, instant noodles, meat products, and so on.
Packing& Storage:
In plastic bags, net weight: 50kg, 25kg.
Stored in a dry, ventilative and clean warehouse; kept away from moisture and heat, and stored separately from poisonous substances.