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Atomfair Trisodium diphosphate HNa3O7P2 CAS 14691-80-6

Trisodium Diphosphate (CAS No. 14691-80-6) is a high-purity inorganic compound with the molecular formula HNa3O7P2. This analytically graded reagent is ideal for laboratory and industrial applications requiring precise phosphate buffering or sequestering agents. Its IUPAC name, trisodium;[hydroxy(oxido)phosphoryl] phosphate , reflects its well-defined chemical structure. Available as a white crystalline powder, it exhibits excellent solubility in water and stability under standard conditions. Suitable for use in biochemical research, food science, and water treatment processes, our Trisodium Diphosphate is rigorously tested for purity, consistency, and low heavy metal content. Each batch is accompanied by a Certificate of Analysis to ensure compliance with…

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Description

Trisodium Diphosphate (CAS No. 14691-80-6) is a high-purity inorganic compound with the molecular formula HNa3O7P2. This analytically graded reagent is ideal for laboratory and industrial applications requiring precise phosphate buffering or sequestering agents. Its IUPAC name, trisodium;[hydroxy(oxido)phosphoryl] phosphate, reflects its well-defined chemical structure. Available as a white crystalline powder, it exhibits excellent solubility in water and stability under standard conditions. Suitable for use in biochemical research, food science, and water treatment processes, our Trisodium Diphosphate is rigorously tested for purity, consistency, and low heavy metal content. Each batch is accompanied by a Certificate of Analysis to ensure compliance with industry standards.

Properties

  • CAS Number: 14691-80-6
  • Complexity: 154
  • IUPAC Name: trisodium;[hydroxy(oxido)phosphoryl] phosphate
  • InChI: InChI=1S/3Na.H4O7P2/c;;;1-8(2,3)7-9(4,5)6/h;;;(H2,1,2,3)(H2,4,5,6)/q3*+1;/p-3
  • InChI Key: MLIKYFGFHUYZAL-UHFFFAOYSA-K
  • Exact Mass: 243.88905921
  • Molecular Formula: HNa3O7P2
  • Molecular Weight: 243.92
  • SMILES: OP(=O)([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+]
  • Topological: 133
  • Monoisotopic Mass: 243.88905921
  • Physical Description: White powder or grains, occurs anhydrous or as a monohydrate
  • Solubility: Soluble in water
  • Synonyms: Trisodium diphosphate, 14691-80-6, Diphosphoric acid, trisodium salt, UNII-AR7OGW33N1, AR7OGW33N1, EINECS 238-735-6, DTXSID70872534, EC 238-735-6, DTXCID90820178, Trisodium pyrophosphateTrisodium monohydrogen diphosphateTrisodium monohydrogen pyrophosphateTrisodium diphosphate, trisodium hydrogen diphosphate, trisodium;[hydroxy(oxido)phosphoryl] phosphate, trisodium;hydron;phosphonato phosphate, DIPHOSPHORIC ACID TRISODIUM SALT, Diphosphoric acid, sodium salt (1:3), Sodiumhydrogendiphosphate, Sodium hydrogendiphosphate, Sodium hydrogen diphosphate, SCHEMBL121219, MLIKYFGFHUYZAL-UHFFFAOYSA-K, PAA69180, AKOS015910371, trisodium hydrogen (phosphonatooxy)phosphonate, Q17333553

Application

Trisodium Diphosphate is widely used as a buffering agent in biochemical assays and molecular biology applications. It serves as an effective sequestrant in water treatment to control scale formation and corrosion. In food science, it acts as an emulsifier and pH regulator in processed products. Additionally, it finds utility in industrial cleaning formulations due to its metal-chelating properties.

Safety and Hazards

GHS Hazard Statements

  • H302 (97.4%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H318 (97.4%): Causes serious eye damage [Danger Serious eye damage/eye irritation]

Precautionary Statements

  • P264, P264+P265, P270, P280, P301+P317, P305+P354+P338, P317, P330, and P501

Hazard Classes and Categories

  • Acute Tox. 4 (97.4%)
  • Eye Dam. 1 (97.4%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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