16788-57-1

Basic information

• Product Name: Dipotassium hydrogen phosphate trihydrate
• Synonyms: DI-POTASSIUM HYDROGEN ORTHOPHOSPHATE 3-HYDRATE;DI-POTASSIUM HYDROGEN ORTHOPHOSPHATE TRIHYDRATE;DI-POTASSIUM HYDROGEN PHOSPHATE TRIHYDRATE;DI-POTASSIUM HYDROGEN PHSOPHATE, 3-HYDRATE;SEC POTASSIUM PHOSPHATE TRIHYDRATE;POTASSIUM HYDROGEN PHOSPHATE;POTASSIUM HYDROGENPHOSPHATE TRIHYDRATE;POTASSIUM PHOSPHATE 3H2O
• CAS NO: 16788-57-1
• Molecular Formula: H7K2O7P
• Molecular Weight: 228.22
• EINECS: 231-834-5
• Product Categories: Food Additives
• Mol File: 16788-57-1.mol
• Article Data: 0

Chemical Properties

• Melting Point: 340°C(anhydrous substance),decomposes
• Appearance: White/Crystalline Powder
• Storage Temp.: Store at +5°C to +30°C.
• Solubility: H2O: 4 M at 20 °C, clear, colorless
• Water Solubility: SOLUBLE
• Sensitive: Hygroscopic
• Stability: Stable. Incompatible with strong oxidizing agents.
• Merck: 14,7658
• CAS DataBase Reference: Dipotassium hydrogen phosphate trihydrate(CAS DataBase Reference)
• NIST Chemistry Reference: Dipotassium hydrogen phosphate trihydrate(16788-57-1)
• EPA Substance Registry System: Dipotassium hydrogen phosphate trihydrate(16788-57-1)

Safety Data

• Safety Statements: 24/25
• WGK Germany: 3
• TSCA: Yes
• Hazardous Substances Data: 16788-57-1(Hazardous Substances Data)

Usage

Description

Dipotassium hydrogen phosphate trihydrate (K2HPO4·3H2O) is the dipotassium form of phosphoric acid, a crystalline solid that is highly soluble in water. It is a potassium salt with a pH range of 9.1-9.4 and is widely used in various fields, including food, agriculture, and molecular biology.

Uses

Used in Molecular Biology and Biochemistry:
Dipotassium hydrogen phosphate trihydrate is used as a component in buffer solutions for molecular biology, biochemistry, and chromatography applications. It helps maintain a stable pH environment for various laboratory processes.
Used in Agriculture:
In agriculture, it serves as a fertilizer to increase rice grain yield by providing essential phosphorus and potassium nutrients to the plants.
Used in Food Industry:
Dipotassium hydrogen phosphate trihydrate is used as a food additive in the production of dairy creamers, dry powder beverages, and mineral supplements. It acts as a stabilizer for non-dairy coffee creamers and contributes to the taste and texture of these products.
Used as an Electrolyte Replenisher:
As a source of phosphorus and potassium, it is used as an electrolyte replenisher, providing essential minerals, especially for athletes. These minerals play a crucial role in muscle recovery and overall health.
Used in Aqueous Two-Phase Systems:
In molecular biology, it is useful for increasing the partition coefficients of amino acids in aqueous two-phase systems, which can improve the separation and purification of biomolecules.
Radio-Protective Activity:
Dipotassium hydrogen phosphate has been found to possess radio-protective activity, as it can block the uptake of radioactive isotope P-32 upon oral administration, offering potential benefits in radiation protection scenarios.

References

https://en.wikipedia.org/wiki/Dipotassium_phosphate https://www.alfa.com/zh-cn/catalog/011593/ https://www.exercise.com/supplements/dipotassium-phosphate https://pubchem.ncbi.nlm.nih.gov/compound/Dipotassium_hydrogen_phosphate#section=Top

InChI:InChI=1/2K.H3O4P.3H2O/c;;1-5(2,3)4;;;/h;;(H3,1,2,3,4);3*1H2/q2*+1;;;;/p-2