Potassium phosphate monobasic

Grade

ACS reagent

Quality Level

200

Agency

suitable for EPA 300
suitable for SM 5210

분석

≥99.0%

양식

powder or crystals

기술

tissue culture: suitable

불순물

≤0.01% Insoluble matter

손실

≤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)

bp

>450 °C

mp

252.6 °C (lit.)

solubility

water: soluble (208 g/l at 20 °C (68 °F))

density

2.338 g/mL at 25 °C (lit.)

음이온 미량물

chloride (Cl^-): ≤0.001%
sulfate (SO₄^2-): ≤0.003%

양이온 미량물

Fe: ≤0.002%
Na: ≤0.005%
heavy metals: ≤0.001% (by ICP)

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