Tetrabutylammonium hydrogen difluoride solution
ALDRICH/77004 - ~50% in acetonitrile
Synonym: TBABF; Tetrabutylammonium bifluoride; Tetrabutylammonium difluoride
CAS Number: 23868-34-0
Empirical Formula (Hill Notation): C16H37F2N
Molecular Weight: 281.47
MDL Number: MFCD00077877
Linear Formula: (CH3CH2CH2CH2)4N(HF2)
Product Type: Chemical
| concentration | ~50% in acetonitrile |
| form | solution |
| functional group | amine |
| impurities | ≤1% water |
| InChI | 1S/C16H36N.2FH/c1-5-9-13- |
| InChI key | ZHBDKVWQJKYIFF-UHFFFAOYSA |
| Quality Level | 100 ![]() |
| SMILES string | [F-].F[H].CCCC[N+](CCCC)( |
| storage temp. | 2-8°C |
| Application: | • Used as an etchant for silica films Reactant for: • Nucleophilic fluorination • Ring-opening fluorination reaction • Substitution reactions |
| Other Notes: | Efficient fluorinating agent |
| Packaging: | 100 mL in poly bottle |
| Symbol | ![]() ![]() GHS02,GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H225 - H302 - H314 |
| Precautionary statements | P210 - P233 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338 |
| Hazard Codes | F,C |
| Risk Statements | 11-20/21/22-34 |
| Safety Statements | 16-26-36/37/39-45 |
| RIDADR | UN 2924 8(3) / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | < 50.0 °F - closed cup |
| Flash Point(C) | < 10 °C - closed cup |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352101 |




