134821

Boron trifluoride-methanol solution

50% w/w in methanol

• Linear Formula: BF₃ · MeOH
• CAS Number: 373-57-9
• Molecular Weight: 99.85
• Beilstein: 3611499
• MDL number: MFCD00071635
• PubChem Substance ID: 24848188

Properties

• Quality Level: 200
• vapor pressure: 19.5 mmHg ( 20 °C)
• assay: 49-53% (by NaOH, titration)
• form: liquid
• autoignition temp.: 788 °F
• reaction suitability: core: boron; reagent type: Lewis acid; reagent type: catalyst
• concentration: 50% w/w in methanol
• technique(s): gas chromatography (GC): suitable
• bp: 59 °C/4 mmHg
• density: 1.203 g/mL at 25 °C
• storage temp.: 2-8°C
• SMILES string: CO.FB(F)F
• InChI: 1S/CH4O.BF3/c1-2;2-1(3)4/h2H,1H3;
• InChI key: JBXYCUKPDAAYAS-UHFFFAOYSA-N

Description

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.

Packaging

1 L in glass bottle

4×25 mL in Sure/Seal™

50, 250 mL in glass bottle

The 25 mL Sure/Seal^™ bottle is recommended as a single-use bottle. Repeated punctures will likely result in decreased performance of product.

Legal Information

Sure/Seal is a trademark of Sigma-Aldrich Co. LLC

Safety Information

• Pictograms: GHS02,GHS05,GHS06,GHS08
• Signal Word: Danger
• Hazard Statements: H225 - H301 + H311 - H314 - H330 - H335 - H370 - H373
• Precautionary Statements: P210 - P233 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1A - STOT RE 2 Inhalation - STOT SE 1 - STOT SE 3
• Target Organs: Kidney, Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 49.5 °F
• Flash Point(C): 9.7 °C
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves