Potassium phosphate, ACS, 98.0% min, Thermo Scientific Chemicals

Description

Potassium phosphate tribasic is a reagent with a very high buffering capacity. It is widely used in molecular biology, biochemistry, and chromatography, used for the extraction of keratohyalin protein from bovine tissue, to study the effects of freezing and thawing on the stability of proteins sensitive to conformational changes. It is used as a food additive for its properties as an emulsifier, foaming agent, and whipping agent.

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: 7778-53-2
• Molecular Formula: K3O4P
• Molecular Weight (g/mol): 212.265
• MDL Number: MFCD00036295
• InChI Key: LWIHDJKSTIGBAC-UHFFFAOYSA-K
• Synonym: potassium phosphate, tripotassium phosphate, potassium phosphate tribasic, phosphoric acid, tripotassium salt, potassium orthophosphate, tripotassium orthophosphate, caswell no. 700a, potassium phosphate, tribasic, potassium phosphate k3po4, ccris 7321
• PubChem CID: 62657
• IUPAC Name: tripotassium;phosphate
• SMILES: [O-]P(=O)([O-])[O-].[K+].[K+].[K+]

• Melting Point: 1340°C
• Color: White
• Physical Form: Granules
• Quantity: 5 kg
• Merck Index: 14,7660
• Solubility Information: Soluble in water; Insoluble in alcohol;
• Formula Weight: 212.27
• Percent Purity: ≥98.0%
• Grade: ACS
• Sensitivity: Hygroscopic
• Density: 2.564 g/mL
• Chemical Name or Material: Potassium phosphate

RUO – Research Use Only