
structural formula
| business number | 05pz |
|---|---|
| molecular formula | c7h6o2 |
| molecular weight | 122.12 |
| label |
2-methyl-2,5-cyclohexadiene-1,4-dione, p-toluoquinone, methyl-1,4-benzoquinone, methyl-p-benzoquinone, 2-methyl-2,5-cyclohexadiene-1,4-dione, p-toluquinone, pigments, dyes, pharmaceutical intermediates |
numbering system
cas number:553-97-9
mdl number:553-97-9
einecs number:209-056-2
rtecs number:dk6300000
brn number:471387
pubchem number:24889239
physical property data
1. physical property data
1. melting point (℃): 66.5-68
2. properties: light yellow or golden yellow crystals.
3. relative density (d754) :1.08
toxicological data
none yet
ecological data
3. ecological data:
1. other harmful effects: this substance may be harmful to the environment, and special attention should be paid to water bodies.
molecular structure data
5. molecular property data:
1. molar refractive index: 31.84
2. molar volume (cm3/mol): 104.0
3. isotonic specific volume (90.2k): 262.5
4. surface tension (dyne/cm): 40.5
5. polarizability (10-24cm3): 12.62
compute chemical data
1. reference value for hydrophobic parameter calculation (xlogp): none
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: 3
6. topological molecule polar surface area 34.1
7. number of heavy atoms: 9
8. surface charge: 0
9. complexity: 221
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
properties and stability:
1. the product may not decompose under normal temperature and pressure.
2. exist in smoke.
storage method
storage:
seal the container, store it in a sealed main container, and place it in a cool, dry place.
synthesis method
none yet
purpose
usage: mainly used in pigments, dyes, and pharmaceutical intermediates.

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