Xanthene -9-carboxylic Acid Xanthene -9-carboxylic Acid

Structural formula

• Numbering system
• Physical property data
• Toxicological data
• Ecological data
• Molecular structure data
• Computing chemical data
• More
  • Properties and Stability
  • Storage method
  • Synthesis method
  • Purpose

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.