Tetramethylammonium hydroxide pentahydrate
Product Name Tetramethylammonium hydroxide pentahydrate |
CAS Number 10424-65-4 |
Molecular Formula (CH₃)₄NOH·5H₂O |
Molecular Weight 181.23 |
Product Appearance White to off-white crystalline powder |
Packaging Specifications 220 L drum, IBC |
Core Uses Key materials for semiconductor photoresist stripper, anisotropic etchant for silicon materials, wafer/panel cleaning agent, organosilicon synthesis catalyst, and analytical chemical reagents. |
Product Features Purity ≥97%, hygroscopic, soluble in water and alcohol, strongly alkaline, highly catalytically active, and fast curing. |
Product Name TMAH-PG developer solution |
CAS Number |
Molecular Formula |
Molecular Weight |
Product Appearance Colorless and transparent liquid |
Packaging Specifications 220 L drum, IBC |
Core Uses Semiconductor/display panel photoresist stripper, wafer surface cleaning, anisotropic etching of silicon-based materials, MEMS manufacturing processes |
Product Features Electronic-grade ultra-high purity, metal ion content ≤ppb level, precisely controllable development rate, low pattern edge roughness, and low defect rate. |
Product Name Tetrapropylammonium bromide |
CAS Number 1941-30-6 |
Molecular Formula C₁₂H₂₈BrN |
Molecular Weight 266.27 |
Product Appearance White to off-white crystalline powder |
Packaging Specifications 220 L drum, IBC |
Core Uses Molecular sieve templates, organic synthesis phase transfer catalysts, battery electrolyte additives, fine chemical intermediates, and semiconductor chemical raw materials. |
Product Features It has a purity of ≥99%, is readily soluble in water and alcohol, slightly soluble in ethyl acetate, exhibits good stability, and has high catalytic activity. |