Published TCIMAIL newest issue No.196
Maximum quantity allowed is 999
CAS RN: 559-40-0 | Product Number: O0292
Octafluorocyclopentene
Purity: >98.0%(GC)
- Perfluorocyclopentene
Size | Unit Price | Belgium | Japan* | Quantity |
---|---|---|---|---|
10G |
€159.00
|
4 | ≥60 |
|
50G |
€571.00
|
2 | 3 |
|
*Stock available in Belgium will be delivered in 1 to 3 days
*Stock available in Japan will be delivered in 1 to 2 weeks (excludes regulated items and dry ice shipments).
Product Number | O0292 |
Purity / Analysis Method | >98.0%(GC) |
Molecular Formula / Molecular Weight | C__5F__8 = 212.04 |
Physical State (20 deg.C) | Liquid |
Storage Temperature | Refrigerated (0-10°C) |
Condition to Avoid | Heat Sensitive |
CAS RN | 559-40-0 |
Reaxys Registry Number | 1879470 |
PubChem Substance ID | 87574278 |
MDL Number | MFCD00013745 |
Appearance | Colorless to Almost colorless clear liquid |
Purity(GC) | min. 98.0 % |
Solubility in water | Insoluble |
Solubility (soluble in) | Acetone |
Pictogram | |
Signal Word | Warning |
Hazard Statements | H302 + H312 + H332 : Harmful if swallowed, in contact with skin or if inhaled. H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
Precautionary Statements | P261 : Avoid breathing mist or vapours. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P337 + P313 : If eye irritation persists: Get medical advice/ attention. P302 + P352 + P312 : IF ON SKIN: Wash with plenty of water. Call a POISON CENTER/doctor if you feel unwell. P304 + P340 + P312 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell. |
EC Number | 209-203-0 |
RTECS# | GY6000000 |
HS Number | 2903898090 |
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Used Chemicals
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Procedure
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A Solution of bromobenzene (488 mg, 3.1 mmol) in anhydrous THF (10 mL) under nitrogen was cooled to -78 °C. Then butyllithium (ca. 1.6mol/L in hexane, 1.9 mL, 3.1 mmol) was added dropwise and stirred at the same temperature for 30 min. To this, octafluorocyclopentene (300 mg, 1.4 mmol) was added and stirred at -78 °C for 1 h. The reaction mixture was quenched with water and extracted with diethyl ether. The organic layer was dried over anhydrous sodium sulfate and filtered. The solvent was removed under reduced pressure and the residue was purified by column chromatography (on silica gel, hexane) to give 1 as a white solid (414 mg, 89% yield).
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Experimenter’s Comments
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The reaction mixture was monitored by TLC (hexane, Rf = 0.45).
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Analytical Data
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1,2-Diphenyl-3,3,4,4,5,5-hexafluorocyclopentene (1)
1H NMR (270 MHz, CDCl3); δ 7.43-7.29 (m, 10H)
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Lead Reference
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- Reaction of octafluorocyclopentene with various carbon nucleophiles
References
- Thermally irreversible photochromic systems. Reversible photocyclization of 1,2-bis(2-methylbenzo[b]thiophen-3-yl)perfluorocycloalkene derivatives
- Light-triggered molecular devices: photochemical switching of optical and electrochemical properties in molecular wire type diarylethene species
- Diarylethenes for Memories and Switches (a review)
- Reaction of octafluorocyclopentene with various carbon nucleophiles
- Efficient synthesis and properties of isomeric photochromic diarylethenes having a pyrrole unit
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