structural formula
business number | 04tw |
---|---|
molecular formula | c7h4f2o |
molecular weight | 142.10 |
label |
2,6-difluorobenzaldehyde, 2,6-difluorobenzaldehyde, 97%, 3,4,5-trifluorobenzonitrile, 2,6-difluorobenzaldehyde, timtec-bb sbb006685, 2,6-difluorobenzaldehyde,97%, 3,4,5-triflurobenzenenitrile, 2,6-difluorobenzaldehyde 98%, 2,6-difluorobenzaldehyde98%, 2,6-difluorlobenzaldehyde, 2-6-difluorbenzaldehyd |
numbering system
cas number:437-81-0
mdl number:mfcd00010293
einecs number:000-000-0
rtecs number:none
brn number:1935273
pubchem number:24856057
physical property data
一 , physical property data
traits :yellow liquid
density (g/ml,25/4℃): 1.317
relative vapor density (g/ml, air=1):not available
melting point (ºc): 15-17
boiling point (ºc, normal pressure):82-84
boiling point (ºc, 5.2kpa): not available
refraction rate: 1.506-1.509
flash point (ºc): 73
optical rotation (º): not available
spontaneous combustion point or ignition temperature (ºc): not available
steam pressure (kpa, 25ºc): not available
saturated 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 the (octanol/water) partition coefficient:not available
explosion upper limit (%, v/v): not available
explosion lower limit (%, v/v): not available
dissolve properties: not available
toxicological data
two , toxicological data:
acute toxicity:not available .
ecological data
three , ecological data:
1 ,other harmful effects: this substance may be harmful to the environment, and special treatment should be given to water bodies. notice.
molecular structure data
1、 molar refractive index:32.99
2、 molar volume(m3/mol):109.5
3, isotonic specific volume (90.2k): 266.5
4、 surface tension(dyne/cm):35.1
5、 polarizability(10-24cm3):13.07
compute chemical data
1. reference value for hydrophobic parameter calculation (xlogp): 1.6
2. number of hydrogen bond donors: 0
3. number of hydrogen bond acceptors: 3
4. rotatablenumber of converted chemical bonds: 1
5. number of tautomers: none
6. topological molecule polar surface area 17.1
7. number of heavy atoms: 10
8. surface charge: 0
9. complexity: 117
10. number of isotope atoms: 0
11. determine the number of atomic stereocenters: 0
12. uncertain number of atomic stereocenters: 0
13. determine the number of chemical bond stereocenters: 0
14. number of uncertain chemical bond stereocenters: 0
15. number of covalent bond units: 1
properties and stability
none yet
storage method
none yet
synthesis method
none yet
purpose
intermediates for pharmaceuticals, pesticides, and liquid crystal materials.