Potassium Phosphate Dibasic, Trihydrate, Reagent Grade

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Potassium Phosphate Dibasic, Trihydrate, Reagent Grade ^*

Name: Potassium Phosphate Dibasic, Trihydrate, Reagent Grade
Brand: Post Apple
SKU: C6590-500G
Price: 75.6 USD
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$75.60

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About Potassium Phosphate Dibasic, Trihydrate, Reagent Grade

Potassium phosphate dibasic trihydrate, often abbreviated as K₂HPO₄-3H₂O, is a chemical compound that contains potassium (K+), hydrogen (H+), phosphate (PO43-) ions, and three water molecules (tri meaning three and hydrate referring to water molecules). This compound is a hydrated form of potassium phosphate dibasic, indicating that it contains water molecules within its crystal structure.

Common Uses and Applications

Buffering Agent: Like its anhydrous counterpart, potassium phosphate dibasic trihydrate is commonly used as a buffering agent in various biochemical and molecular biology applications. It helps maintain a stable pH in solutions, particularly in the physiological range.
Fertilizer: It can be used as a source of potassium and phosphorus in agricultural applications to promote plant growth and development.
Laboratory Reagent: It is used as a reagent in chemical and biochemical experiments and analyses.
Biological Applications: In biological research, potassium phosphate dibasic trihydrate may be used in the preparation of cell culture media and as a component of phosphate-buffered saline (PBS) solutions for cell and tissue culture.

Industries

R&D/Laboratory
Agriculture

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Chemistry Table

CAS	16788-57-1
Molecular Formula	K₂HPO₄-3H₂O
Molecular Weight	228.22

Specifications

Assay (K2HPO4-H2O)	Min 98.0%
pH of a 0.10M Solution @ 25°C	9.0-9.4
Chloride (Cl)	0.003%
Insoluble Matter	0.01%
Loss on Drying @ 105°C	1.0%
Nitrogen (N)	0.001%
Sulfate (SO4)	0.005%
Heavy Metals (as Pb)	5 ppm
Iron (Fe)	0.001%
Sodium (Na)	0.05%