A7653712
Tetraethylammonium hydroxide , AR, 25%methanol solution , 77-98-5
Synonym(s):
TEA hydroxide;TEAOH solution
CAS NO.：77-98-5
Empirical Formula: C8H21NO
Molecular Weight: 147.26
MDL number: MFCD00009024
EINECS: 201-073-3
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -98C |
| Boiling point: | 110 °C |
| Density | 1.023 g/mL at 25 °C |
| refractive index | n |
| Flash point: | 11 °C |
| storage temp. | 2-8°C |
| form | Solution |
| color | colorless to yellow |
| PH | >13 (H2O, 20°C) |
| Water Solubility | SOLUBLE |
| Sensitive | Air Sensitive |
| Merck | 14,9201 |
| BRN | 3912961 |
| Stability: | Stable, but absorbs carbon dioxide from the air |
| InChIKey | LRGJRHZIDJQFCL-UHFFFAOYSA-M |
| CAS DataBase Reference | 77-98-5(CAS DataBase Reference) |
| EPA Substance Registry System | Tetraethyl ammonium hydroxide (77-98-5) |
Description and Uses
Tetraethylammonium hydroxide is a strong organic base and finds applications in photovoltaic chemicals, advanced ceramics, flat panel display chemicals, selective etching and transesterification catalysts. Its solution (35 wt. % in H2O) may be used as an organic structure-directing agent (SDA)/template in the synthesis of mesoporous molecular sieves and zeolite samples.
Safety
| Symbol(GHS) |  GHS05 |
| Signal word | Danger |
| Hazard statements | H314 |
| Precautionary statements | P280-P301+P330+P331-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363 |
| Hazard Codes | C,N,T,F |
| Risk Statements | 34-51-39/23/24/25-23/24/25-11-35 |
| Safety Statements | 7-16-26-36/37/39-45-61-36/37 |
| RIDADR | UN 3286 3/PG 2 |
| WGK Germany | 3 |
| RTECS | KH3150000 |
| F | 9-34 |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | II |
| HS Code | 29239000 |
| Limited Quantities | 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid) |
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml) |
