Potassium hydrogen phosphate trihydrate, Reagent Grade

Description

CAS: 16788-57-1 | H7K2O7P | 228.22 g/mol

Potassium hydrogen phosphate trihydrate 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.

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.

Specifications

Chemical Identifiers

• CAS: 16788-57-1
• Molecular Formula: H7K2O7P
• Molecular Weight (g/mol): 228.22
• MDL Number: MFCD00149926
• InChI Key: XQGPKZUNMMFTAL-UHFFFAOYSA-L
• Synonym: dipotassium hydrogen phosphate trihydrate, unii-rjk174x3tz, potassium hydrogenphosphate trihydrate, potassium phosphate dibasic trihydrate, potassium hydrogen phosphate trihydrate, potassium phosphate, dibasic, trihydrate, phosphoric acid, dipotassium salt, trihydrate, rjk174x3tz, dipotassium phosphate trihydrate
• PubChem CID: 16217523
• IUPAC Name: dipotassium;hydrogen phosphate;trihydrate
• SMILES: O.O.O.[K+].[K+].OP([O-])([O-])=O

• Physical Form: Crystalline
• Quantity: 250 g
• Merck Index: 14,7658
• Solubility Information: Soluble in water. Slightly soluble in alcohol.
• Formula Weight: 228.23 (174.18 Anhydrous)
• Grade: Reagent
• Sensitivity: Hygroscopic
• Chemical Name or Material: Potassium hydrogen phosphate trihydrate

Safety and Handling

EINECSNumber	231-834-5
TSCA	Yes
Recommended Storage	Ambient temperatures; Store under Nitrogen

SDS

RUO – Research Use Only