Caustic Potash Membrane Food Grade 45 - 50%

Caustic Potash Membrane Food Grade 45 - 50% is a high-purity potassium hydroxide solution produced via a membrane cell process. It is used primarily in chemical and industrial manufacturing, particularly within metal manufacturing and finishing applications. This grade meets food-grade quality standards, making it suitable for processes requiring stringent purity and consistency.

Chemical Name: Potassium Hydroxide

Chemical Family: Potassium & Potassium-based Compounds

Labeling Claims: Not Listed In California Proposition 65

Applicable Processes: Bleaching, CO2 Absorption, Dyeing, Electroplating, Fruit Peeling, Lithography, Mercerization, Nitrogen Oxides (NOx) Absorption, Photoengraving, Sulfur Trioxide Absorption

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Identification & Functionality

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Properties

Physical Form
Soluble In
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Physical StateLiquid--
AppearanceClear liquid--
ColorColorless--
OdorOdorless--
Molecular Weight56.11--
Molecular FormulaKOH--
Chemical FamilyAlkali Metal Hydroxide--
pH13 - 14--
Freezing Point Range(-)65 to 4°C-
Boiling Point102 - 143°C-
Flash PointNot flammable--
Vapor Pressure (at 25°C, 50% solution)4mmHg-
Vapor Pressure (at 25°C, 20% solution)20mmHg-
Specific Gravity (at 15.6°C, water=1)1.09 - 1.52--
Density (at 15.6°C)1.09 - 1.52kg/L-
Water Solubility100%-
Volatile Organic Compounds0%-
Flammability (solid, gas)Not flammable--
Lower Flammability Level (of air)Not flammable--
Upper Flammability Level (of air)Not flammable--
Radioactivity (at 90% KOH, of 40K)19,430Bq/Kg-

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