Potassium Phosphate Monobasic 500g

Potassium phosphate monobasic has been used in the preparation of phosphate buffer and phosphate buffered saline (PBS).

It has also been used in the preparation of PEG1000 (poly ethylene glycol)/potassium phosphate aqueous two-phase systems.

grade	ACS reagent
assay	≥99.0%
impurities	≤0.01% Insoluble matter
loss	≤0.2% loss on drying, 105°C
pH	4.1-4.5 (25 °C, 5%)
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.)
anion traces	chloride (Cl^–): ≤0.001%
	sulfate (SO₄^2-): ≤0.003%
cation traces	Fe: ≤0.002%
	Na: ≤0.005%
	heavy metals: ≤0.001% (by ICP-OES)
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

Weight	0.5 kg

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