Sodium triphosphate pentabasic - purum p.a., ≥98%(T) , CAS No.7758-29-4

CAS: 7758-29-4 Cat. No.: S475703 Formula: Na₅P₃O₁₀ Molecular Weight: 367.86 EC Number: 231-838-7

GRADE & PURITY purum p.a., ≥98%(T)

Synonyms

Sodium triphosphate (Na5P3O10)|Pentasodium triphosphate|Sodium triphosphate (Na5(P3O10))|STPP|TRIPHOSPHORIC ACID, SODIUM SALT|Armofos|Triphosphoric acid, pentasodium salt|Triphosphoric acid, sodium salt (1:5)|Rhodiaphos LV|Sodium phosphate (Na5P3O10)|pentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate|PENTASODIUM TRIPHOSPHATE [INCI]|Empiphos stp-D|Sodium triphosphate|Thermphos SPR|Thermphos N|Thermphos L 50

Storage

Room temperature

Overview

Description

for the determination of BSB acc. to DIN 38409-H 51

Specifications

Synonyms

Sodium triphosphate (Na5P3O10) | Pentasodium triphosphate | Sodium triphosphate (Na5(P3O10)) | STPP | TRIPHOSPHORIC ACID, SODIUM SALT | Armofos | Triphosphoric acid, pentasodium salt | Triphosphoric acid, sodium salt (1:5) | Rhodiaphos LV | Sodium phosphate (Na5P3O10) | pentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate | PENTASODIUM Show more

Specifications & Purity

purum p.a., ≥98%(T)

Storage

Room temperature

Grade

purum p.a.

Purity

≥98%(T)

Names and Identifiers

Canonical Smiles

[O-]P(=O)([O-])OP(=O)([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+].[Na+]

IUPAC Name

pentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate

InChIKey

HWGNBUXHKFFFIH-UHFFFAOYSA-I

INCHI

1S/5Na.H5O10P3/c;;;;;1-11(2,3)9-13(7,8)10-12(4,5)6/h;;;;;(H,7,8)(H2,1,2,3)(H2,4,5,6)/q5*+1;/p-5

Isomeric SMILES

[O-]P(=O)([O-])OP(=O)([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+].[Na+]

WGK Germany

1

RTECS

YK4570000

Alternate CAS

15091-98-2

Molecular Weight

367.86

Taxonomic Classification

Taxonomy Tree

• Kingdom Inorganic compounds
  • Superclass Mixed metal/non-metal compounds
    • Class Alkali metal oxoanionic compounds
      • Subclass Alkali metal phosphates

• Kingdom: Inorganic compounds
• Superclass: Mixed metal/non-metal compounds
• Class: Alkali metal oxoanionic compounds
• Subclass: Alkali metal phosphates
• Intermediate Tree Nodes: Not available
• Direct Parent: Alkali metal phosphates
• Alternative Parents: Inorganic sodium salts Inorganic oxides
• Molecular Framework: Not available
• Substituents: Alkali metal phosphate - Inorganic sodium salt - Inorganic oxide - Inorganic salt
• Description: This compound belongs to the class of inorganic compounds known as alkali metal phosphates. These are inorganic compounds in which the largest oxoanion is phosphate, and in which the heaviest atom not in an oxoanion is an alkali metal.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Solubility: water: soluble 148g/L at20°C
• Melt Point(°C): 622°C
• Molecular Weight: 367.860 g/mol
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 10
• Rotatable Bond Count: 2
• Exact Mass: 367.819 Da
• Monoisotopic Mass: 367.819 Da
• Topological Polar Surface Area: 185.000 Ų
• Heavy Atom Count: 18
• Formal Charge: 0
• Complexity: 241.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 6

XLogP3

Frequently Asked Questions

What does purum p.a. mean?

purum p.a. is a defined analytical purity tier suitable for general analytical and reagent applications. It specifies a minimum assay percentage, controlled limits on common impurities (water, heavy metals, residue on ignition), and lot-to-lot consistency. purum p.a. is one of several purity tiers — choose based on the sensitivity and regulatory requirements of your method.

How should this product be stored?

Store at room temperature.

What are the CAS number, molecular formula and molecular weight?

The CAS Number is 7758-29-4, the molecular formula is Na5P3O10, and the molecular weight is 367.86 g/mol. InChIKey HWGNBUXHKFFFIH-UHFFFAOYSA-I.

What documentation is provided?

Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.