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  6. Thermo Scientific Chemicals Potassium phosphate, 0.2M buffer soln., pH 7.0

Thermo Scientific Chemicals Potassium phosphate, 0.2M buffer soln., pH 7.0

Catalog No. AAJ61261K2
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Description

CAS: 7778-77-0 | H2KO4P | 136.084 g/mol

Potassium phosphate is typically used as a component in the preparation of phosphate based buffers. It is convenient stock solution for making phosphate buffers. The pKa of 6.82 (25 C) for phosphate buffers make them a universal buffer for biological applications such as cell culture media, column eluent solutions and reagents used in molecular biology. Specific applications include buffers for protein purification, bioprocessing and diagnostic reagent production. Potassium salts are used where sodium content needs to be minimized or controlled.

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.

Applications
Potassium phosphate is typically used as a component in the preparation of phosphate based buffers. It is convenient stock solution for making phosphate buffers. The pKa of 6.82 (25 C) for phosphate buffers make them a universal buffer for biological applications such as cell culture media, column eluent solutions and reagents used in molecular biology. Specific applications include buffers for protein purification, bioprocessing and diagnostic reagent production. Potassium salts are used where sodium content needs to be minimized or controlled.

Solubility
Fully miscible in water. Insoluble in ethanol.

Notes
Stable under recommended storage conditions. Store in cool, dry conditions in well sealed containers.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 7778-77-0
Molecular Formula H2KO4P
Molecular Weight (g/mol) 136.084
MDL Number MFCD00011401 MFCD00147253
InChI Key GNSKLFRGEWLPPA-UHFFFAOYSA-M
IUPAC Name potassium dihydrogen phosphate
SMILES [K+].OP(O)([O-])=O

Specifications

Concentration 0.2M buffer soln.
pH 7.0
Physical Form Liquid
Quantity 1 L

Safety and Handling

Recommended Storage Ambient Temperatures
SDS

RUO – Research Use Only

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