4-aminoacetophenone physical and chemical properties
density 1.1 ± 0.1 g / cm3
boiling point 294.8 ± 13.0 ° c at 760 mmhg
melting point 103-107 ° c (lit.)
molecular formula c8h9no
molecular weight 135.163
flash point 132.1 ± 19.8 ° c
exact mass 135.068420
psa 43.09000
logp 0.41
appearance: yellow to brown crystalline powder
vapor pressure 0.0 ± 0.6 mmhg at 25 ° c
refractive index 1.571
storage conditions 1. store in a cool, ventilated warehouse. keep away from fire and heat sources. 2. it should be stored separately from acid substances, acid chlorides, anhydrides, and chloroformates. 3. equipped with the corresponding variety and quantity of fire fighting equipment. the storage area should be equipped with suitable materials to contain spills.
stability
1. avoid contact with oxidants.
2. irritating, harmful by mouth, avoid inhaling the dust of this product, and avoid contact with eyes and skin.
molecular structure
1. molar refractive index: 40.51
2. molar volume (cm3 / mol): 123.2
3. isotonic specific volume (90.2k): 318.2
4. surface tension (dyne / cm): 44.4
5. dielectric constant:
6. dipole distance (10-24cm3):
7. polarizability: 16.06
computational chemistry
1. hydrophobic parameter calculation reference value (xlogp): none
2.number of hydrogen-bonded donors: 1
3.number of hydrogen bond acceptors: 2
4.number of rotatable chemical bonds: 1
5.number of tautomers: 7
6. topological molecular polar surface area 43.1
7.number of heavy atoms: 10
8.surface charge: 0
9.complexity: 125
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. uncertain number of chemical bond stereocenters: 0
15.number of covalent bond units: 1
more
1. properties: light yellow needle-like crystal or powder. has a pleasant special smell. the color becomes darker after seeing light.
2. density (g / ml, 25/4 ℃): not determined
3. relative vapor density (g / ml, air = 1): not determined
4. melting point (ºc): 106
5. boiling point (ºc, normal pressure): 293-295
6. boiling point (ºc, 5.2kpa): not determined
7. refractive index: not determined
8. flash point (ºc): not determined
9. specific rotation (º): not determined
10. spontaneous ignition point or ignition temperature (ºc): not determined
11. vapor pressure (kpa, 25ºc): not determined
12. saturated vapor pressure (kpa, 60ºc): not determined
13. combustion heat (kj / mol): not determined
14. critical temperature (ºc): not determined
15. critical pressure (kpa): not determined
16. logarithm of oil-water (octanol / water) partition coefficient: not determined
17. upper explosion limit (%, v / v): not determined
18. lower explosion limit (%, v / v): not determined
19. solubility: easily soluble in hot water, soluble in ethanol and ether and hydrochloric acid, slightly soluble in cold water and benzene
the images only for reference.