vitamin a acetate vitamin a acetate
structural formula
| business number | 03kw |
|---|---|
| molecular formula | c22h32o2 |
| molecular weight | 328.50 |
| label |
retinyl acetate, vitamin a acetate, retinol acetate, retinyl acetate, vitamins |
numbering system
cas number:127-47-9
mdl number:mfcd00019413
einecs number:204-844-2
rtecs number:vh6825000
brn number:1915439
pubchem number:24899372
physical property data
1. melting point (ºc): 57~58
2. refractive index(n20d) :1.549
toxicological data
ecological data
none
molecular structure data
5. molecular property data:
1. molar refractive index: 105.00
2. molar volume (cm3/mol): 339.0
3. isotonic specific volume (90.2k): 826.7
4. surface tension (dyne/cm): 35.3
5. polarizability (10-24cm3): 41.62
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: 7
5. number of tautomers: none
6. topological molecule polar surface area 26.3
7. number of heavy atoms: 24
8. surface charge: 0
9. complexity: 596
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: 4
14. number of uncertain chemical bond stereocenters: 0
15. number of covalent bond units: 1
properties and stability
1. found in tobacco leaves.
storage method
storage temperature 2~8ºc
synthesis method
none
purpose
none
