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Huntsman
E-GRADE® Choline Hydroxide
Chemical Name:
Choline, hydroxide
Functions:
Etchant, Etchant, Photo Resist Stripper
Chemical Family:
Quaternary Ammonium Compounds
End Uses:
Agrochemicals, Chemical Mechanical Planarization (CMP) Slurries, Electronic Components, Electronics, Post-Chemical Mechanical Planarization (pCMP) Cleaning Solution, Semiconductor, Semiconductor
Applicable Processes:
Etching Applications, Photoresist Strippers Manufacturing, Semiconductor Etching
Features:
High Purity, High pH, High pH, Low Corrosion, Low Corrosion Rates, Low Toxicity, Low Toxicity, Low Trace Metals, Remove Photoresists
E-GRADE® Choline Hydroxide is a clear aqueous solution with a high pH and a mild odor. It has been found to have a very low corrosion rate to copper and other metallic surfaces and has been demonstrated to effectively remove both positive and negative photoresists.
Huntsman
N-Methylmorpholine Oxide 50% (NMMO 50)
Chemical Name:
N-methylmorpholine oxide
Functions:
Intermediate
N-Methylmorpholine Oxide 50% (NMMO 50) can be used as is or mixed with water to form cellulose solutions, from which cellulose films and fibers can be produced. It is also used in extrusion techniques to create cellulose articles. The amount of water used in the mixture is critical for optimal results.
