Quassin

  • Nigakilactone D
  • 4,4’-Methylenebis(cyclohexyl N-phenylcarbamate)
  • 2,12-Dimethoxypicrasa-2,12-diene-1,11,16-trione
  • (3aS,6aR,7aS,8S,11aS,11bS,11cS)-1,3a,4,5,6a,7,7a,8,11,11a,11b,11c-dodecahydro-2,10-dimethoxy-3,8,11a,11c-tetramethyldibenzo[de,g]chromene-1,5,11-trione
Formula
C22H28O6
Structure
Description
The bitter principle of quassia, extracted as a white crystalline substance; -- formerly called quassite.
Uses
Used as a medicine in traditional Chinese medicine.

Registry Numbers and Inventories.
CAS
76-78-8
EC (EINECS/ELINCS)
200-985-9
Merck
12,8209
Beilstein/Gmelin
1300746
Beilstein Reference
5-18
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed

Properties.
Formula
C22H28O6
Formula mass
388.46
Melting point, °C
200 - 222
Boiling point, °C
586
Vapor pressure, mmHg
1E-13 (25 C)
Solubility in water
Insoluble
Heat of vaporization
87.6 kJ/mol

Hazards and Protection.

Fire.
Flash Point,°C
255

Health.
Exposure effects

First aid
 

Transport.