Tetraethylammonium hydroxide solution
ALDRICH/302929 - 35 wt. % in H2O
Synonym: TEAOH solution; TEA hydroxide
CAS Number: 77-98-5
Empirical Formula (Hill Notation): C8H21NO
Molecular Weight: 147.26
MDL Number: MFCD00009024
Linear Formula: (C2H5)4N(OH)
Product Type: Chemical
| concentration | 35 wt. % in H2O |
| density | 1.023 g/mL at 25 °C |
| form | liquid |
| functional group | amine |
| InChI | 1S/C8H20N.H2O/c1-5-9(6-2, |
| InChI key | LRGJRHZIDJQFCL-UHFFFAOYSA |
| Quality Level | 100 ![]() |
| refractive index | n |
| SMILES string | [OH-].CC[N+](CC)(CC)CC |
| Application: | Tetraethylammonium hydroxide 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. |
| General description: | TEAOH solution is a strong organic base used to adjust pH of the acidic mobile phase in chromatographic separation. |
| Packaging: | 100, 500 mL in poly bottle |
| Symbol | GHS05 |
| Signal word | Danger |
| Hazard statements | H314 |
| Precautionary statements | P303 + P361 + P353 - P305 + P351 + P338 |
| Hazard Codes | C |
| Risk Statements | 34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 3267 8 / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Density | 1.023 g/mL at 25 °C |
| Refractive Index | n |
| UNSPSC | 12352100 |


