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757551

Sigma-Aldrich

Potassium hydroxide

anhydrous, ≥99.95% trace metals basis

Synonym(s):
Caustic potash
Linear Formula:
KOH
CAS Number:
Molecular Weight:
56.11
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

grade

anhydrous

vapor pressure

1 mmHg ( 719 °C)

assay

≥99.95% trace metals basis

form

crystals or chunks
powder and chunks
powder or crystals

impurities

≤300.0 ppm Trace Metal Analysis

mp

361 °C (lit.)

solubility

H2O: soluble 1120 g/L

SMILES string

[OH-].[K+]

InChI

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

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

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General description

Potassium hydroxide (KOH) is also known as caustic potash. It is a strong alkali or a solid base compound that can be used in a variety of industrial applications. It finds its usage in the production of soaps, cleaners and detergents.

Packaging

5 g in glass bottle
25 g in poly bottle

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

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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