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Sodium tripolyphosphate can chelate metal ions and is commonly used as a detergent additive and water softener. It can also be used to prepare buffer solutions with a pH of 9.2–10.5.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 100 g | $29 | In Stock |
| Description | Sodium tripolyphosphate can chelate metal ions and is commonly used as a detergent additive and water softener. It can also be used to prepare buffer solutions with a pH of 9.2–10.5. |
| Synonyms | Sodium tripolyphosphate (STPP), Sodium triphosphate pentabasic |
| Molecular Weight | 367.86 |
| Formula | Na5O10P3 |
| Cas No. | 7758-29-4 |
| Smiles | O=P([O-])(OP([O-])(OP([O-])([O-])=O)=O)[O-].[Na+].[Na+].[Na+].[Na+].[Na+] |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | |||||||||||||||||||||||||||||||||||
| Solubility Information | H2O: 80 mg/mL (217.47 mM), Sonication is recommended. | |||||||||||||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||||||||||||
H2O
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