Boron trifluoride acetic acid complex , 98% , 373-61-5

CAS NO.：373-61-5

Empirical Formula: C4H7BF3O4-

Molecular Weight: 186.9

MDL number: MFCD00036359

EINECS: 206-768-5

PRODUCT Properties

• Melting point: -47 °C
• Boiling point: 140-148 °C
• Density: 1.353 g/mL at 25 °C(lit.)
• vapor pressure: 95Pa at 20℃
• refractive index: n20/D 1.368(lit.)
• RTECS: ED2280000
• Flash point: 183 °F
• storage temp.: Store below +30°C.
• form: Liquid
• color: Clear light yellow to yellow-brown
• Water Solubility: reacts
• Sensitive: Moisture Sensitive
• BRN: 3686177
• Exposure limits: ACGIH: TWA 2.5 mg/m3; NIOSH: IDLH 250 mg/m3
• Stability: Stable, but moisture sensitive. Incompatible with water, moist air, metals, strong oxidizing agents. Store under dry atmosphere.
• EPA Substance Registry System: Borate(1-), bis(acetato-.kappa.O)difluoro-, hydrogen fluoride (1:2:1), (T-4)- (373-61-5)

Description and Uses

It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff. It is also used as a desilylating agent. It is also 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.

Safety

• Symbol(GHS): GHS05,GHS07
• Signal word: Danger
• Hazard statements: H302-H314
• Precautionary statements: P270-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
• Hazard Codes: C
• Risk Statements: 22-34-35
• Safety Statements: 26-36/37/39-45-25
• RIDADR: UN 1742 8/PG 2
• WGK Germany: 3
• F: 9-21
• TSCA: Yes
• HazardClass: 8
• PackingGroup: II
• HS Code: 29420000
• Limited Quantities: 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)