structural formula
business number | 0269 |
---|---|
molecular formula | c17h12o2 |
molecular weight | 248.28 |
label |
naphthol benzoate, beta-naphthyl benzoate, 2-naphthyl benzoate, naphthyl benzoate, 2-naphthylbenzoate, benzonaphthol, β-naphthyl benzoate, 2-naphthyl benzoate |
numbering system
cas number:93-44-7
mdl number:mfcd00014320
einecs number:202-247-1
rtecs number:none
brn number:2052424
pubchem id:none
physical property data
1. properties: white crystalline powder. the color becomes darker after being left for a long time.
2. the standard heat of combustion (enthalpy) of the crystal phase (kj·mol-1): -8219.9
3. the standard claim heat of the crystal phase ( enthalpy) (kj·mol-1): -184.8
4. melting point (ºc): 107
5. boiling point (ºc, normal pressure) : undetermined
6. boiling point (ºc, 5.2kpa): undetermined
7. refractive index: undetermined
8. flash point (ºc) : undetermined
9. specific optical rotation (º): undetermined
10. autoignition point or ignition temperature (ºc): undetermined
11 . vapor pressure (kpa, 25ºc): undetermined
12. saturation 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/water) log value of distribution coefficient: undetermined
17. explosion upper limit (%, v/v): undetermined
18. explosion lower limit (%, v/v): undetermined
19. solubility: easily soluble in hot ethanol, glycerol and chloroform, slightly soluble in ether, almost insoluble in water.
toxicological data
none
ecological data
none
molecular structure data
1. molar refractive index: 75.74
2. molar volume (cm3/mol): 206.9
3. isotonic specific volume (90.2k ): 548.5
4. surface tension (dyne/cm): 49.3
5. polarizability (10-24cm3): 30.02
compute chemical data
1. hydrophobic parameter calculation reference value (xlogp): none
2. hydrogennumber of bond donors: 0
3. number of hydrogen bond acceptors: 2
4. number of rotatable chemical bonds: 3
5. tautomerism number of bodies: none
6. topological molecule polar surface area 26.3
7. number of heavy atoms: 19
8. surface charge: 0
9. complexity: 306
10. number of isotope atoms: 0
11. determine the number of atomic stereocenters: 0
12. no determine the 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
properties and stability
none
storage method
this product should be sealed and stored in a cool place.
synthesis method
none
purpose
used in organic synthesis. paraffin hardener.
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