heptafluorobutyric acid
Structural formula
| Business number | 04K1 |
|---|---|
| Molecular formula | C4HF7O2 |
| Molecular weight | 214.04 |
| label |
Edman’s Reagent No. 3, Fluorobenzoic acid, perfluorobutyric acid, Edman Reagent No. 3, HFBA, Per fluorobutyric acid, aliphatic compounds, catalyst, active agent, acidifier |
Numbering system
CAS number:375-22-4
MDL number:MFCD00004171
EINECS number:206-786-3
RTECS number:ET4025000
BRN number:1426882
PubChem ID:None
Physical property data
一 , physical property data
Traits ：Colorless oily liquid
Density (g/mL,25/4℃): 1.651
Relative Vapor density (g/mL, air=1)：7
Melting point (ºC): -17.5
Boiling point (ºC, normal pressure): 120
Boiling point (ºC, 5.2kPa): Not available
Refractive index: 1.295
Flash point (ºC): 120- 121
Optical rotation (º): Not available
Spontaneous combustion Point or ignition temperature (ºC): Not available
Steam Pressure (kPa, 25ºC): Not available
Saturation Vapor pressure (kPa, 60ºC): Not available
Burn Heat (KJ/mol):Not available
Critical Temperature (ºC): Not available
Critical Pressure (KPa): Not available
oil and water Log value of (octanol/water) partition coefficient:Not available
Explosion Upper limit (%, V/V): Not available
Explosion Lower limit (%, V/V): Not available
Dissolve Properties: Soluble in water, acetone, ether and petroleum ether, miscible in Benzene and carbon tetrachloride are insoluble in carbon disulfide.
Toxicological data
2. Toxicological data:
Acute Toxicity:Not available .
Ecological data
Three , Ecological data:
1 ,Other harmful effects: The Substances are harmful to the environment, and special attention should be paid to water pollution.
Molecular structure data
1. Molar refractive index: 23.18
2. Molar volume (m3/mol):127.4
3. isotonic specific volume (90.2K):264.9
4. Surface Tension (dyne/cm):18.6
5, Polarizability（10-24cm3):9.19
Compute chemical data
None
Properties and stability
Colorless oily liquid. It has an odor similar to butyric acid. Sensitive to light. Easy to absorb moisture. Strongly acidic. It is miscible with water, acetone, diethyl ether and petroleum ether, soluble in benzene and carbon tetrachloride, and insoluble in carbon disulfide, mineral oil and heptane. Relative density 1.651. Freezing point -17.5℃. Boiling point 120℃ (97.99kPa). Refractive index 1.295. There is corrosion
Storage method
Seal with argon and store in a cool, dry place.
Synthesis method
None
Purpose
For biochemical research. Protein sequence analysis, organic synthesis, ester catalysts. active agent. Acidifier.