Sodium tripolyphosphate
Also known as: Pentasodium triphosphate, Sodium triphosphate, STPP, STP, Tripolyphosphate, Sodium tripolyphosphate (Na5P3O10), armofos, empiphosstp-d, freez-gardfp19, natriumtripolyphosphat, poly, polygon, rhodiaphoslv, s400, thermphos, thermphosn, tripoly
Sodium tripolyphosphate (CAS 7758-29-4) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Na5O10P3 and a molecular weight of 367.864 g/mol. Key properties include a melting point of 622 °C and a density of >1.5 g/cm3 (20ºC). It is listed by 1 supplier; request a quote for pricing. Record last updated Nov 3, 2026.
- CAS No.
- 7758-29-4
- Jingsj CID
- J-36271-9
- Molecular Formula
- Na5O10P3
- Molecular Weight
- 367.864 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 11/3/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 622 °C |
|---|---|
| Density | >1.5 g/cm3 (20ºC) |
| Exact Mass | 367.819275 |
| PSA | 214.40000 |
| LogP | 1.49640 |
| Additional Property | 20 g/100 mL (20 ºC) |
Customs & Trade Information
| HS Code | 2835319000 |
|---|
Frequently Asked Questions
What is the CAS number of Sodium tripolyphosphate?
The CAS number of Sodium tripolyphosphate is 7758-29-4.
What are the molecular formula and molecular weight of Sodium tripolyphosphate?
Sodium tripolyphosphate has molecular formula Na5O10P3 and molecular weight 367.864 g/mol.
Which suppliers offer Sodium tripolyphosphate?
1 supplier(s) listed; request a quote for pricing.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sodium tripolyphosphate (CAS 7758-29-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36271-9 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.