342483

Sodium phosphate

96%

• Synonym(s): Sodium orthophosphate, Trisodium phosphate
• Linear Formula: Na₃PO₄
• CAS Number: 7601-54-9
• Molecular Weight: 163.94
• EC Number: 231-509-8
• MDL number: MFCD00003510
• UNSPSC Code: 12352302
• PubChem Substance ID: 24861072
• NACRES: NA.23

Properties

• Quality Level: 200
• 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.

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: 13 - Non 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