Caustic Potash

Product summary

A representative alkaline product manufactured through the electrolysis of potassium chloride solution

Features

Strong alkaline product with acute toxicity and corrosivity.
It is a “hazardous substance” under the Poisonous and Deleterious Substances Control Act.

Generic name: potassium hydroxide
Chemical formula: KOH

(Reaction) KCl + H₂O > KOH_{Caustic potash} + 1/2H₂_Hydrogen + 1/2Cl₂_Chlorine

CSCL Number　　1-369
Industrial Safety and Health Act Number　　1-369
CAS NO　　1310-58-3

Main uses

The manufacturing of all kinds of potassium chloride, soft soap, petrochemicals, optical glass, etc.

Packing

Liquid caustic potash (48%) comes in chemical tank trucks, drums (280kg) and plastic bags.

Please select to match your intended use.

Physical Properties

	Caustic potash (liquid)	Caustic potash (solid)
Appearance	Changing condition of concentration and temperature may solidify from liquid state.	Solid (flakes)
Color	Colorless and transparent	White
Odor	Odorless	Odorless
Boiling point	140°C	1,320°C
Melting point	No data available	360°C
Density	1.5g/cm³ (15°C)	2.04g/cm³

Warnings for use

It is corrosive to eyes and skin, so always wear protective gear such as protective goggles, rubber gloves, and rubber boots.
It produces heat if diluting or neutralizing acid, so please add a small amount of potassium hydroxide liquid while stirring.
Never add water or acid into a concentrated solution of potassium hydroxide, because there is a danger of causing an explosive boil.

Other

Phase diagram (taken from a graph of solidifying temperature per concentration)
*Please refer to the SDS for more detailed product information.