Chemical

Products

Caustic Potash

Cas Number

1310-58-3

Other Names

Caustic potash,

Lye

Potash lye

Potassia

Potassium hydrate

KOH

The formula

CH3(CH2)2CHO

Introduction

Potassium hydroxide is an inorganic compound with the formula KOH, and is commonly called caustic potash.

Physical and Chemical Properties
Physical state and appearance Solid, white flake
Odor Odorless
Molecular Weight 56.11
PH (1% soln/water) 13.5 (0.1 molar solution)
Color White / Off-white
Boiling Point 1327 °C
Melting Point 360 °C
Specific Gravity 2.044 @ 20 C
Vapor Pressure 60 mmHg @ 1013 C
Volatility 0%
Solubility 52.8% in water @ 20C (68F)
koh (total alkali as koh) 91.3 %
kci 0.006 %
k2co3 0.20 %
naoh 0.2 %
fe 0.2 ppm
ni 0.2 ppm
Applications

1. KOH works well in the manufacture of biodiesel by saponification of the fats in vegetable oil

2. Potassium Hydroxide is used in chemical manufacturing including potassium carbonate and other potassium chemicals, fertilizers, phosphates, agrochemicals, alkaline batteries and dyes

3. It is also widely used in soap and bleaching industry

4. It is used in pharmaceutical industries