ChemicalBook CAS DataBase List 16788-57-1

16788-57-1

Name	Dipotassium hydrogen phosphate trihydrate
CAS	16788-57-1
EINECS(EC#)	231-834-5
Molecular Formula	H7K2O7P
MDL Number	MFCD00149926
Molecular Weight	228.22
MOL File	16788-57-1.mol

Synonyms

DI-POTASSIUM HYDROGEN ORTHOPHOSPHATE 3-HYDRATE DI-POTASSIUM HYDROGEN ORTHOPHOSPHATE TRIHYDRATE DI-POTASSIUM HYDROGEN PHOSPHATE TRIHYDRATE DI-POTASSIUM HYDROGEN PHSOPHATE, 3-HYDRATE POTASSIUM HYDROGEN PHOSPHATE POTASSIUM HYDROGENPHOSPHATE TRIHYDRATE POTASSIUM PHOSPHATE 3H2O POTASSIUM PHOSPHATE DIBASIC: TRIHYDRATE POTASSIUM PHOSPHATE, DIBASIC, TRIHYDRATE SEC POTASSIUM PHOSPHATE TRIHYDRATE di-Potassiumhydrogenphosphat potassiumphosphate,trihydrate POTASSIUM PHOSPHATE DIBASIC TRIHYDRATE, REAGENTPLUS TM, >= 99.0% POTASSIUM PHOSPHATE, DIBASIC TRIHYDRATE, 99+% POTASSIUM PHOSPHATE, DIBASIC,*1M SOLUTIO N PotassiumPhosphateDibasicAr Potassium phosphate, dibasic trihydrate, for analysis, 99+% Phosphoric acid, dipotassium salt, trihydrate potassium hydrogen phosphate trihydrate, reagent grade POTASSIUMPHOSPHATEDIBASIC,TRIHYDRATE,REAGENT

Chemical Properties

Appearance	crystalline solid
Melting point	340°C(anhydrous substance),decomposes
storage temp.	room temp
solubility	H₂O: 4 M at 20 °C, clear, colorless
form	Crystalline Powder
color	White
PH	9.1-9.4 (25℃, 50mg/mL in H2O)
Stability:	Stable. Incompatible with strong oxidizing agents.
Water Solubility	SOLUBLE
Sensitive	Hygroscopic
Merck	14,7658
InChIKey	XQGPKZUNMMFTAL-UHFFFAOYSA-L
CAS DataBase Reference	16788-57-1(CAS DataBase Reference)

Safety Data

Safety Statements	S24/25:Avoid contact with skin and eyes . less more
WGK Germany	3
TSCA	Yes
HS Code	28352400

Hazard Information

Chemical Properties

crystalline solid

Uses

Potassium hydrogen phosphate trihydrate(16788-57-1) is widely used to prepare buffer solutions in molecular biology, biochemistry and chromatography. It is involved in the production of trypticase soy agar and then utilized for culturing bacteria. As a food additive, it is used in dry powder beverages, mineral supplements and imitation dairy creamers. It is also used as a stabilizer for non-dairy coffee creamers. Further, it is a common source of phosphorous and potassium.

Application

Dipotassium hydrogen phosphate trihydrate(16788-57-1) can be used to:
As a corrosion inhibitor. Dipotassium hydrogen phosphate forms a passivation film on the metal in alkaline solutions with low chloride contamination, which slows down the corrosion of carbon steel^[1].
As a catalyst. Dipotassium hydrogen phosphate powder catalyses the conversion of stable phosphoryl compounds to dialkyl (E, Z)-2-(1-acetyl-2-naphthalenyl)-2-butenedioate under thermal and microwave conditions in a solvent-free system^[2].
As a reducing agent. Dipotassium hydrogen phosphate (K₂HPO₄^.3H₂O) was used for the efficient reduction of graphene oxide nanosheets. Dipotassium hydrogen phosphate itself and the prepared graphene are environmentally friendly and cheap^[3].
As a nutrient. Used as a nutrient in antimicrobial media.

General Description

Potassium phosphate dibasic trihydrate (K₂HPO₄.3H₂O, Dipotassium hydrogen phosphate trihydrate, Dipotassium phosphate, di-Potassium hydrogen phosphate trihydrate) is the potassium salt having a pH in the range of 9.1-9.4.

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16788-57-1

Chemical Properties

Safety Data

Hazard Information

Chemical Properties

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Application

General Description

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Description

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Well-known Reagent Company Product Information

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