TETRA METHYL AMMONIUM HYDROXIDE AQUEOUS SOLUTION 10%
MSDS not yet available online for this product — email us at muscatchem @ gmail.com and we'll send you a copy.
Tetramethylammonium hydroxide (TMAH or TMAOH) is a quaternary ammonium salt with the molecular formula N(CH3)4+ OH−. It is commonly encountered as concentrated solutions in water or methanol. The solid and solutions are colorless, or yellowish if impure.
Key facts
- Product
- TETRA METHYL AMMONIUM HYDROXIDE AQUEOUS SOLUTION 10%
- Part No.
- RXSOL-60-6605-674
- Category
- Lab Chemical
- Supplier
- Muscat Chemical, Barka, South Al Batinah, Oman
- Delivery
- Muscat, Sohar, Salalah, Duqm, Nizwa, Sur, Barka and Gulf ports
- Documents
- MSDS and TDS on request
- Pricing
- Quote on request — contact us or WhatsApp +968 77333599
TMAH solution is widely used in the electronics industry as a developer or cleaner. TMAH is typically one of several ingredients in etching / stripping mixtures, although it may also be used as a pure chemical. It is often used in solution in water, and less frequently, in methanol.
Dosage
Buffered Oxide Etch (BOE) or just hydrofluoric acid is used for etching silicon dioxide on silicon wafers. Buffered oxide etch is a mixture of hydrofluoric acid and ammonium fluoride. Ammonium fluoride containing etches give silicon surfaces with an atomically smoother surface than HF.