Synonyms:  Caustic Potash; Lye; Potassium Hydrate
Chemical Name:  Potassium Hydroxide (KOH)

Potassium Hydroxide is an odorless, white or slightly yellow, flakey or lumpy solid which is often in a water solution.  It is used in making soap, as an electrolyte in alkaline batteries and in electroplating, lithography, and paint and varnish removers.  Liquid  contain 45 to 49% of Potassium Hydroxide

CAS Number:                         1310-58-3
RTK Substance Number:       1571
DOT Number:                         UN 1813

Technical Specification

CERTIFICATEOFANALYSIS POTASSIUM HYDROXIDE BATCH NO: 212
Sr. No Characteristic Unit Specification Results
1 Appearance White White
2 Alkalinity (as KOH) % wt 90.0Min 90.35
3 Carbonate (as K2co3) %wt 0.75Max 0.34
4 Iron (as Fe) ppm
5 Max 1.29 Chloride (as KCl) ppm 100 Max 80
6 Silicate (as SiO2) ppm 10 Max 3.4
7 Sodium (as Na) %wt 0.6Max 0.42
8 Calcium (as Ca) ppm 1 Max Nil
9 Nickel (as Ni) ppm 5Max 1.91
10 Sulphate (as K2SO4) ppm 200 Max 38
11 Nitrate (as NaNO3) %wt 0.2Max 0.1
12 Heavy Metals (as Pb) ppm 10 Max 5 POTASSIUM HYDROXIDE 30%SOLUTION

Physical properties: Clear straw colour Specific gravity: 1.28-1.30 (at 25' C) Total alkalinity: 29-32%