2,3-DICHLOROHEXAFLUORO-2-BUTENE
- CAS NO.：303-04-8
- Empirical Formula: C4Cl2F6
- Molecular Weight: 232.94
- MDL number: MFCD00000440
- EINECS: 206-133-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 00:44:19
What is 2,3-DICHLOROHEXAFLUORO-2-BUTENE?
Chemical properties
clear colorless liquid
General Description
The pure cis- and trans-isomers of 2,3-dichlorohexafluoro-2-butene were separated when 2,3-dichlorohexafluoro-2-butene (mixture of cis and trans) reacted with dry diglyme and sodium borohydride and was hydolyzed. The isomers were purified by preparative vapor phase chromatography technique.
Properties of 2,3-DICHLOROHEXAFLUORO-2-BUTENE
| Melting point: | -67 °C |
| Boiling point: | 66-68 °C(lit.) |
| Density | 1.605 g/mL at 25 °C(lit.) |
| vapor density | 8 (vs air) |
| vapor pressure | 4.42 psi ( 20 °C) |
| refractive index | n |
| CAS DataBase Reference | 303-04-8(CAS DataBase Reference) |
| NIST Chemistry Reference | trans-2,3-Dichloro-1,1,1,4,4,4-hexafluoro-2-butene(303-04-8) |
| EPA Substance Registry System | 2-Butene, 2,3-dichloro-1,1,1,4,4,4-hexafluoro- (303-04-8) |
Safety information for 2,3-DICHLOROHEXAFLUORO-2-BUTENE
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H330:Acute toxicity,inhalation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2,3-DICHLOROHEXAFLUORO-2-BUTENE
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