Tripotassium phosphate
Also known as: Potassium phosphate tribasic, Potassium phosphate, Tripotassium orthophosphate, Potassium orthophosphate, Potassium monophosphate, Phosphoric acid tripotassium salt, Potassium phosphate, tribasic, Potassium phosphate, anhydrous, TKp, EINECS 231-907-1, MFCD00036295, Caswell No. 700A
Tripotassium phosphate (CAS 7778-53-2) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula K3O4P and a molecular weight of 212.266 g/mol. Key properties include a melting point of 1340 °C, a boiling point of 158ºC at 760 mmHg and a density of 2.564 g/mL at 25 °C(lit.). It is classified under GHS with signal word Danger and hazard statements H318 — Causes serious eye damage and H335 — May cause respiratory irritation. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 7778-53-2
- Jingsj CID
- J-48005-7
- Molecular Formula
- K3O4P
- Molecular Weight
- 212.266 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 1340 °C |
|---|---|
| Boiling Point | 158ºC at 760 mmHg |
| Density | 2.564 g/mL at 25 °C(lit.) |
| Exact Mass | 211.844543 |
| PSA | 96.06000 |
| LogP | 0.38600 |
| Additional Property | 50.8 g/100 mL (25 ºC) |
GHS Safety & Compliance
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2835240000 |
|---|
Frequently Asked Questions
What is the CAS number of Tripotassium phosphate?
The CAS number of Tripotassium phosphate is 7778-53-2.
What are the molecular formula and molecular weight of Tripotassium phosphate?
Tripotassium phosphate has molecular formula K3O4P and molecular weight 212.266 g/mol.
Which suppliers offer Tripotassium phosphate?
1 supplier(s) listed; request a quote for pricing.
Is Tripotassium phosphate hazardous?
Tripotassium phosphate has GHS signal word Danger and hazard statements H318 — Causes serious eye damage; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tripotassium phosphate (CAS 7778-53-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48005-7 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.