Boron trifluoride acetic acid complex
ALDRICH/359955 - 98%
Synonym: Boron trifluoride-acetic acid (1:2)
CAS Number: 373-61-5
Empirical Formula (Hill Notation): C4H8BF3O4
Molecular Weight: 187.91
EC Number: 206-768-5
MDL Number: MFCD00036359
Linear Formula: BF3 · 2CH3COOH
Product Type: Chemical
| assay | 98% |
| density | 1.353 g/mL at 25 °C (lit.) |
| form | liquid |
| functional group | carboxylic acid |
| InChI | 1S/2C2H4O2.BF3/c2*1-2(3)4 |
| InChI key | COTMJGCQSLZICX-UHFFFAOYSA |
| Quality Level | 100 ![]() |
| reaction suitability | core: boron |
| reagent type: catalyst | |
| refractive index | n |
| SMILES string | CC(O)=O.CC(O)=O.FB(F)F |
| Application: | Boron trifluoride acetic acid complex is used as a Lewis acid catalyst in the Fries rearrangement reaction, which is a critical step in the total synthesis of furanaphin. It is also used as a co-catalyst in the intramolecular amination reaction of primary sulfonamides to form cyclic carbamates. |
| General description: | Boron trifluoride acetic acid is a versatile Lewis acid catalyst in organic synthesis with various applications. It is used as a catalyst in various reactions such as esterification, Friedel-Crafts reactions, oxidation, Fries rearrangement, and polymerization reactions. |
| Packaging: | 1 L in glass bottle |
| Packaging: | 5, 250 mL in glass bottle |
| Symbol | ![]() GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H302 - H314 |
| Precautionary statements | P280 - P305 + P351 + P338 - P310 |
| Hazard Codes | C |
| Risk Statements | 22-34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 1742 8 / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | 181.4 °F - closed cup |
| Flash Point(C) | 83 °C - closed cup |
| Purity | 98% |
| Density | 1.353 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352106 |



