MilliporeSigma
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30603

Sigma-Aldrich

Potassium hydroxide

pellets, reag. Ph. Eur., ≥85%

Synonym(s):
Caustic potash
Linear Formula:
KOH
CAS Number:
Molecular Weight:
56.11
EC Number:
MDL number:
eCl@ss:
38100303
PubChem Substance ID:
NACRES:
NA.21

Agency

USP/NF
reag. Ph. Eur.

Quality Level

vapor pressure

1 mmHg ( 719 °C)

assay

≥85%

form

pellets

impurities

≤2.0% K2CO3

pH

~13.5 (25 °C, 5.6 g/L)

mp

361 °C (lit.)

anion traces

chloride (Cl-): ≤0.02%
phosphate (PO43-): ≤0.01%
sulfate (SO42-): ≤0.02%

cation traces

Al: ≤0.001%
Ca: ≤0.001%
Fe: ≤0.001%
Na: ≤1.0%
Ni: ≤0.0005%

SMILES string

[OH-].[K+]

InChI

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

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

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Related Categories

Packaging

This product is also available in glass bottles.

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 Origin

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