
structural formula
| business number | 0143 |
|---|---|
| molecular formula | c7h2cl4o2 |
| molecular weight | 259.9 |
| label |
2,3,4,5-tetrachlorobenzoic acid |
numbering system
cas number:50-74-8
mdl number:none
einecs number:none
rtecs number:none
brn number:none
pubchem id:none
physical property data
1. properties: white or off-white crystalline powder.
2. density (g/ml, 25/4℃): undetermined
3. relative vapor density (g/ml, air=1): undetermined
4. melting point (ºc): 195 °c
5. boiling point (ºc, normal pressure): undetermined
6. boiling point (ºc, 5.2 kpa): undetermined
7. refractive index: undetermined
8. flash point (ºc): undetermined
9. specific rotation (º): undetermined determined
10. autoignition point or ignition temperature (ºc): not determined
11. vapor pressure (kpa, 25 ºc): not determined
12 . saturated vapor pressure (kpa, 60 ºc): undetermined
13. heat of combustion (kj/mol): undetermined
14. critical temperature (ºc): undetermined
15. critical pressure (kpa): undetermined
16. log value of oil-water (octanol/water) partition coefficient: undetermined
17. explosion upper limit (%, v/v): undetermined
18. lower explosion limit (%, v/v): undetermined
19. solubility: undetermined
toxicological data
1. acute toxicity: mouse oral ld50: 562mg/kg
ecological data
none
molecular structure data
1. molar refractive index: 52.76
2. molar volume (cm3/mol): 149.7
3. isotonic specific volume (90.2k ): 412.8
4. surface tension (dyne/cm): 57.7
5. polarizability (10-24cm3): 20.91
compute chemical data
1. hydrophobic parameter calculation reference value (xlogp): 4
2. number of hydrogen bond donors: 1
3. number of hydrogen bond acceptors: 2
4. number of rotatable chemical bonds: 1
5. number of tautomers:
6. topological molecular polar surface area (tpsa): 37.3
7. number of heavy atoms: 13
8. surface charge: 0
9. complexity: 211
10. number of isotope atoms: 0
11. determine the number of atomic stereocenters: 0
12. uncertain number of atomic stereocenters: 0
13. confirm�number of stereocenters of chemical bonds: 0
14. number of stereocenters of uncertain chemical bonds: 0
15. number of covalent bond units: 1
properties and stability
none
storage method
this product should be sealed and stored in a dry place away from light.
synthesis method
none
purpose
biochemical research. medicine.

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