Boron trifluoride-methanol solution
ALDRICH/134821 - 50% w/w in methanol
Synonym: BF3 methanol; BF3MeOH; Boron Trifluoride - Methanol Complex; Boron fluoride methanol; Boron trifluoride methanol; Boron trifluoride-methanol complex; Boron trifluoride-methanol complex; boron fluoride methanol; borontrifluoride methanol
CAS Number: 373-57-9
Empirical Formula (Hill Notation): CH4BF3O
Molecular Weight: 99.85
MDL Number: MFCD00071635
Linear Formula: BF3 · MeOH
Product Type: Chemical
| autoignition temp. | 788 °F |
| bp | 59 °C/4 mmHg |
| concentration | 49-53% ( by NaOH, titration) |
| 50% w/w in methanol | |
| density | 1.203 g/mL at 25 °C |
| form | liquid |
| functional group | hydroxyl |
| InChI | 1S/CH4O.BF3/c1-2;2-1(3)4/ |
| InChI key | JBXYCUKPDAAYAS-UHFFFAOYSA |
| Quality Level | 200 ![]() |
| reaction suitability | core: boron |
| reagent type: catalyst | |
| reagent type: Lewis acid | |
| SMILES string | CO.FB(F)F |
| storage temp. | 2-8°C |
| technique(s) | gas chromatography (GC): suitable |
| vapor pressure | 19.5 mmHg ( 20 °C) |
| Application: | Reagent for the GC analysis of ritalinic acid. Alternative to Cl2CHCO2H for synthesis of purine rich oligomers. Lewis acid used in the preparation of geminal bis-peroxides from ketals and enol ethers with t-butyl hydroperoxide. Reagent used for the mild deacetylation of amines. |
| Legal Information: | Sure/Seal is a trademark of Sigma-Aldrich Co. LLC |
| Packaging: | 1 L in glass bottle |
| Packaging: | 4×25 mL in Sure/Seal™ |
| Packaging: | 50, 250 mL in glass bottle |
| Packaging: | The 25 mL Sure/Seal™ bottle is recommended as a single-use bottle. Repeated punctures will likely result in decreased performance of product. |
| Symbol | ![]() ![]() ![]() GHS02,GHS05,GHS06,GHS08 |
| Signal word | Danger |
| Hazard statements | H225 - H301 + H311 - H314 - H330 - H335 - H370 - H373 |
| Precautionary statements | P210 - P280 - P301 + P310 + P330 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 + P310 |
| Hazard Codes | F,T |
| Risk Statements | 11-23/24/25-34-39/23/24/25-48/23 |
| Safety Statements | 16-26-36/37/39-45 |
| RIDADR | UN 2920 3(8) / PGI |
| WGK Germany | WGK 2 |
| Flash Point(F) | 49.5 °F |
| Flash Point(C) | 9.7 °C |
| Supplemental Hazard Statements | EUH014 |
| bp | 59 °C/4 mmHg |
| Density | 1.203 g/mL at 25 °C |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352104 |





