Potassium hydroxide 45% in aqueous solution, Cleanroom® LP for the electronics industry

Supplier: KMG
Danger

Synonyms: Potassium hydrateCaustic potash

64163 64162
71009-538EA 8541.93 USD
71009-538 71009-346
Potassium hydroxide 45% in aqueous solution, Cleanroom® LP for the electronics industry
Potassium hydroxide

Potassium hydroxide (KOH) is used to etch silicon. The crystalline orientation of the silicon greatly affects the etch rate making potassium hydroxide an anisotropic etchant.

Storage: 32⁰ F - 120⁰ F

Formula: KOH
MW: 56.11 g/mol
Storage Temperature: Ambient
MDL Number: MFCD00003553
CAS Number: 1310-58-3
EINECS: 215-181-3
UN: 1814
ADR: 8,II

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Specification Test Results

Assay (KOH) 45.00 47.00 %
Assay (H2O) 53.00 55.00 %
Color 10 APHA
Appearance Conforms
NH4OH Precipitate 0.005%
Nitrogen Compounds (as N ) 5,000 ppb
Insoluble Matter 50 ppm
Assay (K2CO3) 0.20%
Heavy Metals 5,000 ppb
Chloride (Cl) 50,000 ppb
Phosphate (PO4) 2,000 ppb
Sulfate (SO4) 10,000 ppb
Copper (Cu) 50,000 ppb
Iron (Fe) 2,000 ppb
Nickel (Ni) 5,000 ppb
Sodium (Na) 200,000 ppb

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