Tetrabutylammonium hydrogensulfate
SIAL/791784 - anhydrous, free-flowing, Redi-Dri™, 97%
Synonym: Tetrabutylammonium bisulfate
CAS Number: 32503-27-8
Empirical Formula (Hill Notation): C16H37NO4S
Molecular Weight: 339.53
EC Number: 251-068-5
MDL Number: MFCD00011637
Linear Formula: (CH3CH2CH2CH2)4N(HSO4)
Product Type: Chemical
| application(s) | PFAS testing |
| assay | 97% |
| form | crystals |
| functional group | amine |
| grade | anhydrous |
| InChI | 1S/C16H36N.H2O4S/c1-5-9-1 |
| InChI key | SHFJWMWCIHQNCP-UHFFFAOYSA |
| mp | 169-171 °C (lit.) |
| product line | Redi-Dri™ |
| quality | free-flowing |
| Quality Level | 100 ![]() |
| SMILES string | OS([O-])(=O)=O.CCCC[N+](C |
| Application: | Tetrabutylammonium hydrogensulfate is used as a cocatalyst in the synthesis of propionic acid and the ketones by hydrocarboxylation of ethylene. |
| General description: | Tetrabutylammonium bisulfate(TBAHS), a quaternary ammonium salt, is a phase-transfer reagent. It severs as cocatalyst, additive, acid, also as ion-paring agent. |
| Legal Information: | Redi-Dri is a trademark of Sigma-Aldrich Co. LLC |
| Legal Information: | Redi-Dri™ is a trademark of Sigma-Aldrich Co. LLC |
| Packaging: | 1 kg in poly bottle |
| Packaging: | 100, 500 g in poly bottle |
| Symbol | ![]() GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H302 - H314 - H412 |
| Precautionary statements | P260 - P273 - P280 - P301 + P312 + P330 - P303 + P361 + P353 - P305 + P351 + P338 + P310 |
| Hazard Codes | Xn |
| Risk Statements | 22-36/37/38 |
| Safety Statements | 26-36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 2 |
| Flash Point(F) | 348.1 °F - closed cup |
| Flash Point(C) | 175.6 °C - closed cup |
| Purity | 97% |
| mp | 169-171 °C (lit.) |
| UNSPSC | 12352100 |



