Xanthene -9-carboxylic Acid Xanthene -9-carboxylic Acid
Structural formula
| Business number | 01SQ |
|---|---|
| Molecular formula | C14H10O3 |
| Molecular weight | 226.23 |
| label |
None |
Numbering system
CAS number:82-07-5
MDL number:MFCD00005059
EINECS number:201-394-9
RTECS number:None
BRN number:174414
PubChem number:24902145
Physical property data
1. Character: solid.
2. Density (g/mL,25/4℃): Unsure
3. Relative vapor density ( g/mL,AIR =1): Unsure
4. Melting point (ºC): 217(decomposition)
5. Boiling point (ºC,Normal pressure): Unsure
6. Boiling point (ºC,5.2kPa): Unsure
7. Refractive index: Uncertain
8. Flashpoint (ºC): Unsure
9. Specific optical rotation (º): Unsure
10. Autoignition point or ignition temperature (ºC): Unsure
11. Vapor pressure (kPa,25ºC): Unsure
12. Saturated vapor pressure (0
11. Not sure Number of atomic stereocenters:0
12. Determine chemical bonds Number of stereocenters:0
13. Not sure Number of stereocenters of chemical bonds:0
14. Covalent Number of key units:1
Properties and stability
None yet
Storage method
Save sealed in a cool, dry place.
Synthesis method
xanthenol, The mixture of sodium cyanide, glacial acetic acid, ethanol and water is heated in a closed reaction tank and slowly raised to 95℃, pressure0.1-0.2MPa,reaction6h, got9-Cyanoxanthene. Then reflux with alkali solution20h, and then acidified with hydrochloric acid to obtain xanthene-9-Carboxylic acid.
Purpose
Intermediate of the anticholinergic drug propantheline bromide.
style=”FONT-SIZE: 9pt; FONT-FAMILY: Arial; mso-font-kerning: 0pt”>9-Cyanoxanthene. Then reflux with alkali solution20h, and then acidified with hydrochloric acid to obtain xanthene-9-Carboxylic acid.
Purpose
Intermediate of the anticholinergic drug propantheline bromide.