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Potassium Hydroxide

Test Specification...BP
Characters It occurs as white, crystalline hard masses, powder, supplied as sticks, pellets or irregularly shaped pieces, hygroscopic, absorbing carbon dioxide.
Identification Test A Test B (a) The pH of the solution is not less than 10.5 (b)It gives the reaction of potassium
Solubility Very soluble in water, freely soluble in ethanol (96%)
Appearance of solution The solution is clear and colorless
Carbonates Not more than 2.0%
Chlorides Not more than 200 ppm
Phosphates Not more than 100 ppm
Sulphates Not more than 200 ppm
Iron Not more than 10 ppm
Sodium Not more than 1.0%
Assay Not less than 85.0% and not more than 100.5%, calculated as KOH
Test Specification...FCC
Characters It occurs as white or nearly white pellets, flakes, sticks, fused masses, or other forms.
Identification Test(A) (a) It gives positive tests for Potassium
Solubility One-gram dissolves in 1mL of water, in about 3mL of alcohol, and in about 2.5mL of glycerin. It is very soluble in boiling alcohol.
Carbonate as K2CO3 Not more than 3.5%
Insoluble substances Passes Test
Lead Not more than 2mg/kg
Mercury Not more than 0.1mg/kg
Assay Not less than 85.0% and not more than 100.5%, of total alkali, calculated as KOH
Test Specification...USP
Characters It occurs as white or practically white, fused masses, or small pellets, or flakes, or sticks, or other forms
Identification Test A Test B (a)It gives the reaction of potassium (b)pH- Not less than 10.5
Solubility Very soluble in boiling alcohol; freely soluble in water, in alcohol, and in glycerin.
Content of Potassium Not less than 59.9%
Limit of Sodium Not more than 1.0%
Insoluble Substances Specified test. The Sample solution is complete, clear, and colorless.
Residual solvents Meets the requirements
Assay Total Alkali Potassium Carbonate Not less than 85.0% of total alkali, calculated as potassium hydroxide Not more than 3.5% of potassium carbonate (K2CO3)
Test Specification...ACS
Characters It occurs as white or nearly white pellets, flakes, sticks, fused masses, or other forms.
Chloride Not more than 0.01%
Nitrogen compounds (as N) Not more than 0.001%
Phosphate Not more than 5ppm
Sulfate Not more than 0.003%
Ammonium hydroxide precipitate Not more than 0.02%
Heavy Metals Not more than 0.001%
Iron Not more than 0.001%
Nickel Not more than 0.001%
Sodium Not more than 0.05%
Assay KOH- K2CO3- Not less than 85.0% (KOH) Not more than 2.0%

Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.

Other
GLP, cGMP (FDA) Approved, ISO 9001, ISO 14001, ISO 45001, ISO 17025, ISO 22000, FSSC 22000, FSSAI, Halal and Kosher certified.
We observe WHO Good manufacturing practice and Good laboratory practice.

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