Boron trifluoride-acetic acid complex

• Catalog No.: A11471
• CAS Number: 373-61-5
• M. F.: C4H8BF3O4
• M. W.: 187.9101296
• Purity: 96%

SYNONYMS

• Title: 三氟化硼乙酸络合物
• IUPAC name: bis(acetic acid); trifluoroborane
• IUPAC Traditional name: bis(acetic acid); boron trifluoride

DATABASE IDS

• EC Number: 206-768-5
• Beilstein Number: 3686177
• CAS Number: 373-61-5
• MDL Number: MFCD00036359

PROPERTIES

• Purity: 96%
• Boiling Point: 143-146°C
• Density: 1.353
• Flash Point: 83°C(181°F)
• Melting Point: -47°C
• Refractive Index: 1.3670
• GHS Hazard statements: H301-H330-H314-H318-H227
• European Hazard Symbols: Toxic (T)
• GHS Precautionary statements: P210-P301+P310-P303+P361+P353-P304+P340-P305+P351+P338-P320-P330-P405-P501A
• Risk Statements: 22-23-34
• Safety Statements: 26-36/37/39-45
• Storage Warning: Moisture Sensitive
• TSCA Listed: 是
• Hazard Class: 8
• UN Number: UN1742
• Packing Group: II

REFERENCES

• Mild acid catalyst which has found use as a desilylating agent: Allylsilanes undergo desilylation, via ?-stabilized carbocations, to give alkenes with allylic rearrangement: Tetrahedron Lett., 446 (1979); J. Chem. Soc., Perkin 1, 3267 (1992). -Silyl tertiary alcohols undergo a pinacol-like rearrangement to give alkenes: Tetrahedron Lett., 22, 2321 (1981). Has been used in the protodesilylation of the phenyl group as part of the conversion of the dimethylphenylsilyl group into a hydroxyl group with retention of configuration: J. Chem. Soc., Perkin 1, 317 (1995). For reaction scheme, see Chlorodimethylphenylsilane, A15638.