P5379

Potassium phosphate monobasic

ReagentPlus^®

• Synonym(s): Monopotassium phosphate, Potassium dihydrogen phosphate, prim.-Potassium phosphate
• Linear Formula: KH₂PO₄
• CAS Number: 7778-77-0
• Molecular Weight: 136.09
• EC Number: 231-913-4
• MDL number: MFCD00011401
• PubChem Substance ID: 24898627
• NACRES: NA.25

Properties

• Quality Level: 200
• product line: ReagentPlus^®
• assay: ≥99.0%
• form: powder or crystals
• pKa (25 °C): (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
• mp: 252.6 °C (lit.)
• solubility: water: 100 mg/mL, clear, colorless
• density: 2.338 g/mL at 25 °C (lit.)
• SMILES string: [K+].OP(O)([O-])=O
• InChI: 1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
• InChI key: GNSKLFRGEWLPPA-UHFFFAOYSA-M

Description

Application

Potassium phosphate monobasic has been used:

• in calibration curve generation in electrical conductivity measurement of plasma-activated tap water (PATW).

[22]

as a component of dissection solution.

[23]

as a constituent of phosphate buffered saline.

[24]

Packaging

100, 500 g in poly bottle

1 kg in poly bottle

10 kg in poly drum

Legal Information

ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves