Tetraethyl Ammonium Hydroxide CAS NO. 77-98-5, simply called TEAH or TEAOH. Assay 25%/35% in Water or 25% in Methanol. Easy to absorb Carbon Dioxide, strongly alkaline, highly corrosive. 25%/35% in Water made by electrolysis with starting materials Tetraethylammonium Bromide or Tetraethylammonium Chloride. 25% in Methanol made by synthesis.
Tetraethyl Ammonium Hydroxide CAS NO.77-98-5 TEAH
Description
- CAS NO.: 77-98-5
- Molecular Formula: C₈H₂₀NOH
- Molecular Weight: 147.26
- Purity (Content): 25% in Water/Methanol or 35% in Water
- Appearance: Colorless transparent liquid / Colorless to light yellow liquid
- Package: 200KG/drum; 1000KG/IBC drum; 24MT/ISO Tank
Details
Tetraethyl Ammonium Hydroxide CAS NO. 77-98-5 TEAH, belongs to Quaternary Ammonium Hydroxide, organic strong alkali compounds, in 25% or 35% aqueous solution or 25% Methanol solution. Easy to absorb Carbon Dioxide, strongly alkaline, highly corrosive. Alkali strength is comparable to Sodium Hydroxide and Potassium Hydroxide. Made from Quaternary ammonium salts normally via electrolysis or synthesis.
Specifications
- Tetraethyl Ammonium Hydroxide 35% in Water
| Appearance | Colorless transparent liquid |
| Assay | 34.50 ~ 35.50% |
| Chloride + Bromide | 100 ppm max. |
| K | 5 ppm max. |
| Na | 5 ppm max. |
| Color (APHA) | ≤ 20# |
- Tetraethyl Ammonium Hydroxide 25% in Water
| Appearance | Colorless transparent liquid |
| Assay | 24.50 ~ 25.50% |
| Chloride + Bromide | 100 ppm max. |
| K | 5 ppm max. |
| Na | 5 ppm max. |
| Color (APHA) | ≤ 20# |
- Tetraethyl Ammonium Hydroxide 25% in Methanol
| Appearance | Colorless to light yellow liquid |
| Color (APHA) | ≤ 100# |
| Assay | 25% min. |
| Inorganic Alkali | 2% max. |
Application
- Used as Molecular sieve template agent
- Used as catalysts for the polymerization of silicone rubber and other silicone products.
- Used in wet electronic chemicals.
- Used as phase transfer catalysts in organic synthesis chemistry.
- Used as electronic cleaning agents and Electronic etchants.
Package
| TEAH 25%/35% in Water | 200KG/plastic drum, 4 drums/pallet, total 16mt in 20’FCL |
| 1000KG/IBC drum, total 20mt (20 IBCs) in 20’FCL | |
| 24000KG/ISO Tank | |
| TEAH 25% in Methanol | 160KG/plastic drum, 4 drums/pallet, total 12.8mt in 20’FCL |
| 800KG/IBC drum, total 16mt (20 IBCs) in 20’FCL |
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