structural formula
| business number | 067k |
|---|---|
| molecular formula | c12h9no2 |
| molecular weight | 199.22 |
| label |
nitroacenaphthene, 1,2-dihydro-5-nitrobenzene, 5-nitroacenaphthene |
numbering system
cas number:602-87-9
mdl number:mfcd00014277
einecs number:210-025-0
rtecs number:ab1060000
brn number:1876864
pubchem id:none
physical property data
1. physical property data
1. character yellow needle-shaped crystals. it turns blue-purple when exposed to concentrated sulfuric acid.
2. melting point101.5-102.5 ℃.
3. solubility soluble in hot water, ethanol, ether and petroleum ether.
toxicological data
none yet
ecological data
3. ecological data:
1. other harmful effects: this substance may be harmful to the environment and should be harmful to water bodies. give special attention.
molecular structure data
5. molecular property data:
1、 molar refractive index:58.20
2、 molar volume (m3/mol):146.7
3、 isotonic specific volume (90.2k):412.7
4、 surface tension (dyne/cm):62.6
5, polarizability (10-24cm3 ):23.07
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: none
6. topological molecule polar surface area 45.8
7. number of heavy atoms: 15
8. surface charge: 0
9. complexity: 273
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:
no decomposition products may occur under normal temperatures and pressures.
storage method
storage:
isotonic specific volume (90.2k): 412.7
4、 surface tension (dyne/cm):62.6
5, polarizability (10-24cm3 ):23.07
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: none
6. topological molecule polar surface area 45.8
7. number of heavy atoms: 15
8. surface charge: 0
9. complexity: 273
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:
no decomposition products may occur under normal temperatures and pressures.
storage method
storage:
seal the secret container and store it in a sealed main container in a cool place dry position.
synthesis method
1. preparation method: obtained by nitration of acenaphthene. add glacial acetic acid to a dry glass-lined reaction pot, and add industrial acenaphthene (melting point92 under stirring) -94℃). heat to 70℃ stir10min, cooled to23℃. control temperature23-26℃ and slowly add dropwise 65%nitric acid. gabby, at23-26stir at ℃1hgenerate5-nitroacenaphthene.
purpose
2. use : this product is an acidic high yellow dye ff, intermediates for dispersed fluorescent yellow, etc. also used as photoresist sensitizer.
idi-font-family: arial”>seal the secret container and store it in a sealed main container in a cool place dry position.
synthesis method
1. preparation method: obtained by nitration of acenaphthene. add glacial acetic acid to a dry glass-lined reaction pot, and add industrial acenaphthene (melting point92 under stirring) -94℃). heat to 70℃ stir10min, cooled to23℃. control temperature23-26℃ and slowly add dropwise 65%nitric acid. gabby, at23-26stir at ℃1hgenerate5-nitroacenaphthene.
purpose
2. use : this product is an acidic high yellow dye ff, intermediates for dispersed fluorescent yellow, etc. also used as photoresist sensitizer.
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