structural formula
| business number | 03wt |
|---|---|
| molecular formula | c27h18o2 |
| molecular weight | 377.44 |
| label |
α-naphtholquinonephenylmethane, 4-[α-(4-hydroxy-1-naphthyl)benzylidene]naphthalene-1(4h)-one, p-naphtholbenzein, 4-[alpha-(4-hydroxy-1-naphthyl)benzylidene]naphthalen-1(4h)-one |
numbering system
cas number:145-50-6
mdl number:mfcd00003979
einecs number:205-656-3
rtecs number:none
brn number:3471575
pubchem number:24860246
physical property data
1. physical property data:
1. character:reddish brown powder
-bidi-font-family: tahoma”>2. melting point (ºc): 230-235ºc
3. solubility: soluble in ethanol, ether , benzene and glacial acetic acid, insoluble in water.
toxicological data
none
ecological data
3. ecological data:
other harmful effect: 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:116.18
2. molar volume (m3/mol):292.8
3. isotonic specific volume (90.2k):813.3
4. surface tension (dyne/cm):59.5
5. polarizability(10-24cm3）：46.05
compute chemical data
4. calculated chemical data:
1. hydrophobic parameters calculate reference value (xlogp）：6.6
2. hydrogen bonding number of donors: 1
3. hydrogen bonding number of receptors: 2
4. rotatable number of chemical bonds: 2
5. topological molecules polar surface area (tpsa）：37.3
6. heavy atoms quantity: 29
7. surface charge ：0
8. complexity ：668
9. isotope atomic number:0
10. determine the number of atomic stereocenters:0
11. uncertain number of atomic stereocenters:0
12. determine the number of stereocenters of chemical bonds:0
13. uncertain number of chemical bond stereocenters:0
14. number of covalent bond units: 1
properties and stability
stable under normal temperature and pressure.
storage method
save in a dry and cool place.
synthesis method
none
purpose
none
-alt: auto; tab-stops: list 36.0pt” align=left> 10. determine the number of atomic stereocenters: 0
11. uncertain number of atomic stereocenters:0
12. determine the number of stereocenters of chemical bonds:0
13. uncertain number of chemical bond stereocenters:0
14. number of covalent bond units: 1
properties and stability
stable under normal temperature and pressure.
storage method
save in a dry and cool place.
synthesis method
none
purpose
none
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