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

Potassium phosphate, ACS, 98.0% min

CAS: 7778-53-2 | K3O4P | 212.265 g/mol
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Quantity:
250 g
1 kg
5 kg
Catalog number 046644.A7
also known as 046644-A7
Price (USD)
511.65
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Ends: 30-Jun-2026
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Quantity:
5 kg
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Price (USD)
511.65
Special offer
Online exclusive
Ends: 30-Jun-2026
602.00
Save 90.35 (15%)
Each
Chemical Identifiers
CAS7778-53-2
IUPAC Nametripotassium phosphate
Molecular FormulaK3O4P
InChI KeyLWIHDJKSTIGBAC-UHFFFAOYSA-K
SMILES[K+].[K+].[K+].[O-]P([O-])([O-])=O
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SpecificationsSpecification SheetSpecification Sheet
Impurity contentSO₄ 0.005%
Trace Metals(ICP-OES) 0.002%
CommentExcess alkali 1%
Impurity contentK₂HPO₄ 1%
Impurity contentCl 0.005%
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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.

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