氢氧化钾，Potassium hydroxide；pellets for analysis (max. 0.05% Na) EMSURE® ACS,Reag. Ph Eur

等级

ACS reagent

质量水平

300

Agency

reag. Ph. Eur.

蒸汽压

1 mmHg ( 719 °C)

产品线

EMSURE^®

测定

85.0-100.5% KOH basis

形式

solid

效能

333 mg/kg LD₅₀, oral (Rat)

pH值（酸碱度）

14 (20 °C, 56 g/L in H₂O)

mp

361 °C (lit.)

痕量阴离子

carbonate (K₂CO₃): ≤1.0%
chloride (Cl^-): ≤0.01%
phosphate (PO₄^3-): ≤0.0005%
silicate (as SiO₂): ≤0.005%
sulfate (SO₄^2-): ≤0.0005%

痕量阳离子

Al: ≤0.001%
Ca: ≤0.001%
Fe: ≤0.0005%
Mg: ≤0.002%
N: ≤0.002%
Na: ≤0.05%
Ni: ≤0.0005%
heavy metals (as Ag): ≤0.0005%
heavy metals (as Pb): ≤0.0005%

储存温度

2-30°C

SMILES string

[OH-].[K+]

InChI

1S/K.H2O/h;1H2/q+1;/p-1

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M