Sodium tripolyphosphate, anhydrous
Buy Sodium tripolyphosphate, anhydrous (CAS 7758-29-4) from Zemixal: Na5O10P3, COA and SDS with every lot, worldwide shipping.
About Sodium tripolyphosphate, anhydrous
Researchers and plant chemists source Sodium tripolyphosphate, anhydrous from Zemixal for routine and specialised work. Identity at a glance (90%): CAS 7758-29-4, formula Na5O10P3 and molar mass 367.86 g/mol. Typical appearance is white powder.
Use cases we see most often
- Analytical determinations
- Surfactants & detergency
Storage and safety notes
Reported physical data: melting point 622 °C. Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.
Standard pack sizes are 1 kg, 5 kg and 25 kg, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Analytical determinations
- Surfactants & detergency
Applications
Specifications and identifiers
| Product name | Sodium tripolyphosphate, anhydrous |
|---|---|
| Catalogue number | ZX-013315 |
| CAS number | 7758-29-4 |
| IUPAC name | pentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate |
| Molecular formula | Na5O10P3 |
| Molar mass | 367.86 g/mol |
| Exact mass | 367.8193 |
| Purity / assay | 90% |
| Physical form | Powder |
| Appearance | White powder |
| Melting point | 622 °C |
| H-bond donors / acceptors | 0 / 10 |
| Topological polar surface area | 185 Ų |
| HS code | 28353100 |
| InChIKey | HWGNBUXHKFFFIH-UHFFFAOYSA-I |
| SMILES | [O-]P(=O)([O-])OP(=O)([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+].[Na+] |
| PubChem CID | 24455 |
| Synonyms | STPP, Sodium phosphate, Sodium triphosphate, Pentasodium triphosphate, Rhodiaphos LV, Thermphos N, Triphosphoric acid, pentasodium salt, Thermphos SPR, Thermphos L 50, Sodium phosphate (Na5P3O10), Sodium triphosphate (Na5P3O10), Na5P3O10 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 1 kg | Quoted on request | |
| 5 kg | Quoted on request | |
| 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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Other grades with CAS 7758-29-4
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- MW
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