Sodium Tripolyphosphate
Sodium Triphosphate
- CAS
- 7758-29-4
- EC
- 231-838-7
- Food Code
- E451
- Sectors
- Food & Nutrition, Water & Wastewater Treatment
Sodium tripolyphosphate (STPP) is a white powder with formula Na5P3O10 and molecular weight 367.86 g/mol. Density 2.52 g/cm³, decomposes above 100°C; highly soluble in water forming alkaline solutions. Hygroscopic; produced by heating sodium phosphate mixtures.
SoleChem, an ISO 9001:2015 certified chemical supplier based in Türkiye, delivers Sodium Tripolyphosphate (CAS 7758-29-4) to customers in more than 40 countries.
Sodium Tripolyphosphate
Applications
Used in detergents as builders, food as preservative/emulsifier, water softening, ceramics, and meat processing for moisture retention.
Safety & Risks
Irritates skin, eyes; harmful if swallowed or inhaled. Avoid dust; use PPE; low environmental risk.
Packaging
In 25kg bags with liners; offer rinsed containers for recycling or puncture for landfill.