- InChI
- InChI=1S/C4F8/c5-2(6)1(3(7,8)9)4(10,11)12
- InChI Key
- DAFIBNSJXIGBQB-UHFFFAOYSA-N
- Formula
- C4F8
- SMILES
- FC(F)=C(C(F)(F)F)C(F)(F)F
- Molecular Weight1
- 200.03
- CAS
- 382-21-8
- Other Names
-
- 1,1,3,3,3-Pentafluoro-2-(trifluoromethyl)propene
- 1,1-Difluoro-2,2-bis(trifluoromethyl)ethene
- 1-Propene, 1,1,3,3,3-pentafluoro-2-(trifluoromethyl)-
- Isobutene, octafluoro-
- Octafluoro-sec-butene
- Octafluoroisobutene
- Octafluoroisobutylene
- PFIB
- Perfluorisobutylene
- Perfluoro-2-(trifluoromethyl)propene
- Perfluoro-2-methylpropene
- Perfluoroisobutene
- Perfluoroisobutylene
- Propene, 1,1,3,3,3-pentafluoro-2-(trifluoromethyl)-
- Propene, pentafluoro-2-(trifluoromethyl)-
- ω : Acentric Factor.
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- IE : Ionization energy (eV).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.3187 | Relay (... Calculated Property | |
| ΔfG° | -1506.88 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -1577.85 | kJ/mol | Relay (... Calculated Property |
| ΔfusH° | 13.51 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 19.70 | kJ/mol | Relay (... Calculated Property |
| IE | 10.99 | eV | Relay (... Calculated Property |
| log10WS | -3.21 | Relay (... Calculated Property | |
| logPoct/wat | 3.262 | Crippen Calculated Property | |
| McVol | 77.080 | ml/mol | McGowan Calculated Property |
| Pc | 2884.30 | kPa | Joback Calculated Property |
| Tboil | 274.97 | K | Relay (... Calculated Property |
| Tc | 372.44 | K | Relay (... Calculated Property |
| Tfus | 97.82 | K | Relay (... Calculated Property |
| Vc | 0.312 | m3/kmol | Relay (... Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [143.06; 184.53] | J/mol×K | [282.54; 409.82] | 
|
| Cp,gas | 143.06 | J/mol×K | 282.54 | Joback Calculated Property |
| Cp,gas | 151.05 | J/mol×K | 303.75 | Joback Calculated Property |
| Cp,gas | 158.59 | J/mol×K | 324.97 | Joback Calculated Property |
| Cp,gas | 165.70 | J/mol×K | 346.18 | Joback Calculated Property |
| Cp,gas | 172.38 | J/mol×K | 367.39 | Joback Calculated Property |
| Cp,gas | 178.65 | J/mol×K | 388.60 | Joback Calculated Property |
| Cp,gas | 184.53 | J/mol×K | 409.82 | Joback Calculated Property |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 341.12] | kPa | [202.42; 299.15] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.63442e+01 | |||
| Coefficient B | -2.94460e+03 | |||
| Coefficient C | -1.90320e+01 | |||
| Temperature range, min. | 202.42 | |||
| Temperature range, max. | 299.15 | |||
| Pvap | 1.33 | kPa | 202.42 | Calculated Property |
| Pvap | 3.24 | kPa | 213.17 | Calculated Property |
| Pvap | 7.19 | kPa | 223.92 | Calculated Property |
| Pvap | 14.71 | kPa | 234.66 | Calculated Property |
| Pvap | 28.13 | kPa | 245.41 | Calculated Property |
| Pvap | 50.72 | kPa | 256.16 | Calculated Property |
| Pvap | 86.91 | kPa | 266.91 | Calculated Property |
| Pvap | 142.38 | kPa | 277.65 | Calculated Property |
| Pvap | 224.26 | kPa | 288.40 | Calculated Property |
| Pvap | 341.12 | kPa | 299.15 | Calculated Property |
Similar Compounds
Find more compounds similar to 1,1,3,3,3-Pentafluoro-2-(trifluoromethyl)-1-propene.
Sources
- Cheméo Relay (1.0)
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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