MilliporeSigma
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1.05012

Supelco

Potassium hydroxide

pellets EMPLURA®

Synonym(s):
Potash caustic, Caustic potash
Linear Formula:
KOH
CAS Number:
Molecular Weight:
56.11
MDL number:
EC Index Number:
215-181-3

vapor pressure

1 mmHg ( 719 °C)

Quality Level

product line

Emplura®

assay

≥84.0% KOH basis (acidimetric)

form

solid

potency

333 mg/kg LD50, oral (Rat)

pH

14 (20 °C, 56 g/L in H2O)

mp

361 °C (lit.)

anion traces

carbonate (K2CO3): ≤2.0%
chloride (Cl-): ≤0.01%
sulfate (SO42-): ≤0.01%

cation traces

Al: ≤0.002%
Fe: ≤0.002%
heavy metals (as Pb): ≤0.002%

storage temp.

2-30°C

SMILES string

[OH-].[K+]

InChI

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

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

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Analysis Note

Assay (acidimetric, KOH): ≥ 84.0 %
Carbonate (as K₂CO₃): ≤ 2.0 %
Chloride (Cl): ≤ 0.01 %
Sulfate (SO₄): ≤ 0.01 %
Heavy metals (as Pb): ≤ 0.002 %
Al (Aluminium): ≤ 0.002 %
Fe (Iron): ≤ 0.002 %

Legal Information

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Quality

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