structural formula
business number | 052c |
---|---|
molecular formula | c15h10o4 |
molecular weight | 254.24 |
label |
aloe emodin, 1,8-dihydroxy-3-hydroxymethylanthraquinone, 1,8-dihydroxy-3-methylanthraquinone |
numbering system
cas number:481-74-3
mdl number:mfcd00001208
einecs number:207-572-2
rtecs number:cb6725000
brn number:1252300
pubchem number:24853726
physical property data
1. character: undetermined
2. density (g/ m3,25/4℃): undetermined
3. relative vapor density (g/cm3,air=1): undetermined
4. melting point (ºc): 194-198
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/log value of water) partition coefficient: undetermined
17. explosion limit (%,v/v): undetermined
18. lower explosion limit (%,v/v): undetermined
19. solubility: undetermined
toxicological data
mutagenicity data: microorganismstestsystem mutation: bacteria–salmonella typhimurium:100 ug/plate;
microbial organisms testsystem mutation: escherichia coli:500ug/plate.
ecological data
this substance may be harmful to the environment, special attention should be paid to water bodies.
molecular structure data
1、 molar refractive index:67.25
2、 molar volume(m3/mol):172.2
3、 isotonic specific volume (90.2k):503.5
4、 surface tension(dyne/cm):73.1
5、 polarizability(10-24cm3):26.66
compute chemical data
1. reference value for hydrophobic parameter calculation (xlogp): none
2. number of hydrogen bond donors: 2
3. number of hydrogen bond acceptors: 4
4. number of rotatable chemical bonds: 0
5. number of tautomers: 57
6. topological molecule polar surface area 74.6
7. number of heavy atoms: 19
8. surface charge: 0
9. complexity: 405
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
use and store according to specifications, no decomposition will occur, and avoid contact with oxides
storage method
save in a sealed, ventilated, dry place to avoid contact with other oxides.
synthesis method
none yet
purpose
it has antibacterial effects on a variety of bacteria, can relieve coughs, promote intestinal movement, promote nerve excitement and muscle paralysis, and also has a significant inhibitory effect on melanoma in mice.