dianthrone
structural formula
| business number | 04tq |
|---|---|
| molecular formula | c28h16o2 |
| molecular weight | 384.43 |
| label |
dianthrone, bianthrone, bianthrone, dianthraquinone, dianthrone, 10-(10-oxo-9(10h)-anthracenylidene)-9(10h)-anthracenon, bianthvone, 10,10′-bianthrone, bianthrone crystalline, bianthrone(rg) |
numbering system
cas number:434-85-5
mdl number:none
einecs number:207-106-8
rtecs number:none
brn number:none
pubchem id:none
physical property data
1. character:yellow needle-shaped crystallization. both the crystals and the solution turn green when heated.
2. density (g/ml,25/4℃ ): undetermined
3. relative vapor density (g/ml,air=1): undetermined
4. melting point (ºc):335(closed tube)
5. boiling point (ºc,normal pressure): undetermined
6. boiling point (ºc,5.2kpa): undetermined
7. refractive index: undetermined
8. flashpoint (ºc): 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/log value of partition coefficient (water): not determined
17.explosion limit (%,v/v): undetermined
18.lower explosion limit (%,v/v): undetermined
19.solubility:easily soluble in chloroform, soluble in hot acetophenone, slightly soluble in ethanol, insoluble in water and ether.
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:114.71
2 , molar volume (cm3/mol):288.0
3 , isotonic specific volume (90.2k):809.7
4 , surface tension (dyne/cm):62.4
5 , polarizability (10-24cm3): 45.47
compute chemical data
1. reference value for hydrophobic parameter calculation (xlogp): 5.7
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: 30
8. surface charge: 0
9. complexity: 630
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
this product should be kept sealed.
synthesis method
none yet
purpose
organic synthesis.
