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Alkali Metal Compounds (Li, Na, K, Rb, Cs)

penta-Sodium triphosphate

Available on request

Buy penta-Sodium triphosphate (CAS 7758-29-4) from Zemixal: Na5O10P3, COA and SDS with every lot, worldwide shipping. Packs from 1 kg.

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penta-Sodium triphosphate chemical structure
CAS number7758-29-4
FormulaNa5O10P3
Molar mass367.86 g/mol
Physical formPowder
HS code28353100
Purity56–59%
InChIKeyHWGNBUXHKFFFIH-UHFFFAOYSA-I
IUPAC namepentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate

About penta-Sodium triphosphate

Researchers and plant chemists source penta-Sodium triphosphate from Zemixal for routine and specialised work. For your records (56–59%), the material is defined by CAS 7758-29-4, formula Na5O10P3 and molar mass 367.86 g/mol. It is described as white powder.

Use cases we see most often

  • Analytical determinations
  • Surfactants & detergency

Handling and storage

Literature values: melting point 622 °C and density 2.52 g/cm3 at 20 °C. Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 1 kg and 5 kg, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Analytical determinations
  • Surfactants & detergency

Applications

Specifications and identifiers

Specifications of penta-Sodium triphosphate
Product namepenta-Sodium triphosphate
Catalogue numberZX-013039
CAS number7758-29-4
IUPAC namepentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate
Molecular formulaNa5O10P3
Molar mass367.86 g/mol
Exact mass367.8193
Purity / assay56–59%
Physical formPowder
AppearanceWhite powder
Melting point622 °C
Density2.52 g/cm3 at 20 °C
H-bond donors / acceptors0 / 10
Topological polar surface area185 Ų
HS code28353100
InChIKeyHWGNBUXHKFFFIH-UHFFFAOYSA-I
SMILES[O-]P(=O)([O-])OP(=O)([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+].[Na+]
PubChem CID24455
SynonymsPentasodium triphosphate, Rhodiaphos LV, Thermphos N, Triphosphoric acid, pentasodium salt, Thermphos SPR, Thermphos L 50, Sodium phosphate (Na5P3O10), Sodium triphosphate (Na5P3O10), Sodium triphosphate, Na5P3O10, Na5O10P3, Sodium triphosphate (Na5(P3O10))

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

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

Pack sizes of penta-Sodium triphosphate
1 kgQuoted on request
5 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about penta-Sodium triphosphate

Which CAS number identifies penta-Sodium triphosphate?
penta-Sodium triphosphate is registered under CAS 7758-29-4. You may also see it listed as Pentasodium triphosphate, Rhodiaphos LV, Thermphos N. Our catalogue number for this item is ZX-013039.
What are the formula and molar mass of penta-Sodium triphosphate?
For penta-Sodium triphosphate, its formula is Na5O10P3 and its molar mass is 367.86 g/mol. InChIKey HWGNBUXHKFFFIH-UHFFFAOYSA-I lets you match it in any structure database.
What grade and pack sizes are available for penta-Sodium triphosphate?
This listing is 56–59% purity. Standard packs are 1 kg, 5 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with penta-Sodium triphosphate?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship penta-Sodium triphosphate to my country?
Yes. Because penta-Sodium triphosphate is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 7758-29-4

Mica powder
CAS
12001-26-2
Formula
Al6F2H2K2O22Si6
MW
800.6 g/mol
ZX-013037

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