229806

Potassium phosphate monobasic

99.99% trace metals basis

• 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
• UNSPSC Code: 12352302
• PubChem Substance ID: 24853748
• NACRES: NA.23
• Assay: 99.99% trace metals basis
• Form: solid

Properties

• Quality Level: 100
• Assay: 99.99% trace metals basis
• form: solid
• reaction suitability: core: potassium
• impurities: ≤150.0 ppm Trace Metal Analysis
• pKa (25 °C): (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
• mp: 252.6 °C (lit.)
• 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

General description

Monobasic potassium phosphate crystals are colorless, soluble in water and hygroscopic in nature.Upon heating through 187°C, phase transition occurs in KH₂PO₄, crystal system changes from tetragonal to monoclinic, lattice parameters at 195°C are α=7.47Å, b =7.33Å, c =14.49Å, α=ß=90° and γ=92.2.

Application

it maybe used

• to produce flurescence emmisionin carbon dots
• buffers
• pH control agent
• emulsifier
• stabilizer
• water retention agent,
• antioxidant in foods

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