p-tetrabromoquinone
structural formula
| business number | 053s |
|---|---|
| molecular formula | c6br4o2 |
| molecular weight | 423.68 |
| label |
tetrabromoquinone, tetrabromo-1,4-benzoquinone, p-tetrabromoquinone |
numbering system
cas number:488-48-2
mdl number:mfcd00013785
einecs number:207-679-4
rtecs number:dk6772500
brn number:1912183
pubchem id:none
physical property data
1. characteristics: undetermined
2. density (g/ m3, 25/4℃): undetermined
3. relative vapor density (g/cm3, air=1): undetermined
4. melting point (ºc): 300
5. boiling point (ºc, normal pressure): not determined
6. boiling point (ºc, 5.2kpa): not determined
7. refractive index: not determined
8. flash point (ºf): undetermined
9. specific optical rotation (º): undetermined
10. autoignition point or ignition temperature (ºc): undetermined
11. vapor pressure (kpa, 25ºc): undetermined
12. saturated vapor pressure (kpa, 60ºc): undetermined
13. heat of combustion (kj/mol) : undetermined
14. critical temperature (ºc): undetermined
15. critical pressure (kpa): undetermined
16. oil and water (octanol /water) logarithmic value of the distribution coefficient: undetermined
17. explosion upper limit (%, v/v): undetermined
18. explosion lower limit (%, v/v) : undetermined
19. solubility: undetermined
toxicological data
acute toxicity: mouse intraperitoneal ld: >500mg/kg, no details except lethal dose;
ecological data
this substance may be harmful to the environment, and special attention should be paid to water bodies.
molecular structure data
1. molar refractive index: 58.26
2. molar volume (cm3/mol): 135.4
3. isotonic specific volume (90.2k ): 422.7
4. surface tension (dyne/cm): 94.8
5. polarizability (10-24cm3): 23.09
compute chemical data
1. reference value for hydrophobic parameter calculation (xlogp): 3.6
2. number of hydrogen bond donors: 0
3. number of hydrogen bond acceptors: 2
4. number of rotatable chemical bonds: 0
5. number of tautomers: none
6. topological molecule polar surface area 34.1
7. number of heavy atoms: 12
8. surface charge: 0
9. complexity: 278
10. number of isotope atoms: 0
11. confirmdetermined number of atomic stereocenters: 0
12. uncertain number of atomic stereocenters: 0
13. determined number of chemical bond stereocenters: 0
14. number of uncertain chemical bond stereocenters: 0
15. number of covalent bond units: 1
properties and stability
use and store according to specifications, no decomposition will occur, and avoid contact with oxides
storage method
seal and store in a ventilated, dry environment
synthesis method
none yet
purpose
none yet
