342483

Sodium phosphate

96%

• Synonym(s): Trisodium phosphate, Sodium orthophosphate
• Linear Formula: Na₃PO₄
• CAS Number: 7601-54-9
• Molecular Weight: 163.94
• EC Number: 231-509-8
• MDL number: MFCD00003510
• PubChem Substance ID: 24861072
• NACRES: NA.23

Properties

• assay: 96%
• form: solid
• mp: 1583 °C (lit.)
• solubility: H₂O: slightly soluble(lit.)
• SMILES string: [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O
• InChI: 1S/3Na.H3O4P/c;;;1-5(2,3)4/h;;;(H3,1,2,3,4)/q3*+1;/p-3
• InChI key: RYFMWSXOAZQYPI-UHFFFAOYSA-K

Description

General description

Sodium phosphate is a colorless to white crystalline powder or granules. It is prepared by neutralization of phosphoric acid under controlled conditions with sodium hydroxide or sodium carbonate .

Application

Sodium phosphate is used as a:

• component in the preparation of solid crystals of calcium hydroxyapatite substituted by strontium
• block buffer to study segmental and subcellular distribution of CFTR in the kidney

Other general uses are as pH control agent, water hardness precipitation, laboratory reagent, phosphatizing reagent.

Packaging

25, 500 g in poly bottle

2.5 kg in poly bottle

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315 - H319 - H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves