
structural formula
| business number | 052k |
|---|---|
| molecular formula | c15h16o3 |
| molecular weight | 244.29 |
| label |
methyl 2-methoxy-5-methanesulfonylbenzoate, 7-methoxy-8-prenylcoumarin, 7-methoxy-8-(3-methyl-2-butenyl)-2h-1-benzopyran-2-one |
numbering system
cas number:484-12-8
mdl number:none
einecs number:none
rtecs number:none
brn number:none
pubchem id:none
physical property data
1. character: undetermined
2. density (g/ m3,25/4℃): undetermined
3. relative vapor density (g/cm 3,air=1): undetermined
4. melting point (ºc):83-84
5. boiling point (ºc,normal pressure): undetermined
6. boiling point (ºc,5.2kpa): undetermined
7. refractive index: undetermined
8. flash point (ºf): 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
acute toxicity: orally administered to ratsld50: 2905mg/kg, convulsion or epilepsy, muscle contraction or lung spasm, difficulty breathing;
rat transperitonealld50: 600mg/kg, convulsion or epilepsy, muscle contraction or lung spasm, difficulty breathing;
mouse transabdominal ld50: 395mg/kg, convulsion or epilepsy, muscle contraction or lung spasm, difficulty breathing;
mouse subcutaneously ld50: 16mg/kg, no details except lethal dose;
dog meridian veinld50: >40mg/kg, no details except lethal dose;
rabbit transdermal ld50: >70mg/kg, no details except lethal dose;
rabbit meridianldlo: 25mg/kg, convulsion or epilepsy, muscle contraction or lung spasm, respiratory irritation to the lungs, chest, and other changes;
guinea pig oralld: >1gm/kg, no details except lethal dose.
ecological data
this substance may be harmful to the environment, and special attention should be paid to water bodies.
molecular structure data
1、 molar refractive index:69.79
2、 molar volume(m3/mol):216.8
3、 isotonic specific volume (90.2k):546.6
4、 surface tension(dyne/cm):40.3
5、 polarizability(10-24cm3):27.66
compute chemical data
1. reference value for hydrophobic parameter calculation (xlogp): 3.8
2. number of hydrogen bond donors: 0
3. number of hydrogen bond acceptors: 3
4. number of rotatable chemical bonds: 3
5. number of tautomers: none
6. topological molecule polar surface area 35.5
7. number of heavy atoms: 18
8. surface charge: 0
9. complexity: 366
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 manner and place it in a ventilated and dry place to avoid contact with other oxides.
synthesis method
none yet
purpose
intermediate of tiapride.

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