Potassium hydroxide 45% in aqueous solution, Cleanroom® LP for the electronics industry
Supplier: KMG
|
Danger
|
Synonyms:
Potash caustic
, Potassium hydrate
, Caustic potash
64163
64162
71009-538EA
8798.19
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 |
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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