443743

4-Bromo-1,1,2-trifluoro-1-butene

97%

• Linear Formula: BrCH₂CH₂CF=CF₂
• CAS Number: 10493-44-4
• Molecular Weight: 188.97
• EC Number: 234-019-2
• MDL number: MFCD00039274
• UNSPSC Code: 12352100
• PubChem Substance ID: 24868072
• NACRES: NA.22

Properties

• Assay: 97%
• form: liquid
• refractive index: n20/D 1.401 (lit.)
• bp: 95-98 °C (lit.)
• density: 1.639 g/mL at 25 °C (lit.)
• SMILES string: F\C(F)=C(/F)CCBr
• InChI: 1S/C4H4BrF3/c5-2-1-3(6)4(7)8/h1-2H2
• InChI key: GQCQMFYIFUDARF-UHFFFAOYSA-N

Description

General description

4-Bromo-1,1,2-trifluoro-1-butene is a fluorinated building block. It reacts with potassium hydroxide in the presence of tetrabutylammonium bromide (a phase transfer catalyst) to afford 1,1,2-trifluoro-1,3-butadiene.

Application

4-Bromo-1,1,2-trifluoro-1-butene may be used in the preparation of 1,1,2-trifluoro-1-butene, via reaction with KOH in the presence of phase-transfer catalyst, tetrabutylammonium bromide.

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Danger
• Hazard Statements: H225,H302 + H312 + H332,H319,H335
• Precautionary Statements: P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 62.6 °F - closed cup
• Flash Point(C): 17 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves