Toluene diisocyanate manufacturer Knowledge 9,9′-dianthracene-10,10′-9h,9’h-dione

9,9′-dianthracene-10,10′-9h,9’h-dione

9,9'-dianthracene-10,10'-9h,9'h-diketone structural formula

structural formula

business number 04tp
molecular formula c28h18o2
molecular weight 386.44
label

(9,9’-dianthracene)-10,10’-(9h,9’h)-dione,

9,10-anthracenedione,

(9,9’-bianthracene)-10,10’(9h,9’h)-dione,

9,10-dianthrone,

bianthronyl,

10,10′-dihydrobianthrone,

10,10′-dihydrodianthrone,

anthrone dimer

numbering system

cas number:434-84-4

mdl number:none

einecs number:none

rtecs number:none

brn number:none

pubchem id:none

physical property data

一 , physical property data

traits :not available

density (g/ml,25/4): not available

relative vapor density (g/ml, air=1)not available

melting point (ºc): not available

boiling point (ºc, normal pressure):not available

boiling point (ºc, 5.2kpa): not available

refraction rate: not available

flash point (ºc): not available

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

solubility: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:115.79

2 molar volumem3/mol)316.2

3 isotonic specific volume (90.2k):845.5

4 surface tensiondyne/cm)51.0

5 polarizability(10-24cm3 45.90

compute chemical data

1. reference value for hydrophobic parameter calculation (xlogp): 6.1

2. number of hydrogen bond donors: 0

3. number of hydrogen bond acceptors: 2

4. number of rotatable chemical bonds: 1

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: 572

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

none yet

resource:allhdi.com

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/31063

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