Sodium phosphate, tribasic, anhydrous, tech.

Description

CAS: 7601-54-9 | Na3O4P | 163.939 g/mol

Sodium phosphate, tribasic is used in soaps, detergents, photographic developers, water softeners and boiler scale removers. It is used as a food additive, as cleaning agents, as a protein precipitant and an active ingredient in fluxes designed to deoxygenate nonferrous metals for casting. It is used to prepare chlorinated trisodium phosphate by reacting with sodium hypochlorite and used as a disinfectant and bleach. Further, it is used in dairy substitutes and to inhibit mold. In addition, it is employed in ceramic production. It is also used for the preservation of biologically active soil samples and fractionization of nucleotides.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 7601-54-9
• Molecular Formula: Na3O4P
• Molecular Weight (g/mol): 163.939
• MDL Number: MFCD00003510
• InChI Key: RYFMWSXOAZQYPI-UHFFFAOYSA-K
• Synonym: trisodium phosphate, sodium orthophosphate, tromete, tribasic sodium phosphate, phosphoric acid, trisodium salt, oakite, sodium phosphate, anhydrous, trisodium orthophosphate, phosphoric acid trisodium salt, trinatriumphosphat
• PubChem CID: 24243
• ChEBI: CHEBI:37583
• IUPAC Name: trisodium;phosphate
• SMILES: [O-]P(=O)([O-])[O-].[Na+].[Na+].[Na+]

• Color: White
• Physical Form: Powder
• Quantity: 1 kg
• Solubility Information: Soluble in water. Insoluble in ethanol and carbon disulfide.
• Formula Weight: 163.94
• Grade: Technical
• Odor: Odorless
• Sensitivity: Hygroscopic
• Appearance: White powder
• Density: 1.62g/cm³
• Chemical Name or Material: Sodium phosphate, tribasic, anhydrous

Safety and Handling

Hazard Category	H315-H319-H335
Precautionary Statement	P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c
DOTInformation	Hazard Class: 8, Packing Group: III
EINECSNumber	231-509-8
RTECSNumber	TC9490000
TSCA	Yes
Recommended Storage	Ambient temperatures; Store under Nitrogen

SDS

RUO – Research Use Only