Diosgenin

  • (25R)-5-Spirosten-3b-ol
  • 3b-Hydroxy-5-spirostene
Formula
C27H42O3
Structure
Uses
Can be converted to pregnenolone and progesterone: Marker et al., J.

Registry Numbers and Inventories.
CAS
512-04-9
EC (EINECS/ELINCS)
208-134-3
RTECS
WH1450000
RTECS class
Other
Merck
12,3348
Beilstein/Gmelin
94582
Beilstein Reference
5-19-03-00030

Properties.
Formula
C27H42O3
Formula mass
414.63
Melting point, °C
207 - 208
Boiling point, °C
527
Vapor pressure, mmHg
3E-13 (25 C)
Heat of vaporization
92.2 kJ/mol

Hazards and Protection.
Protection
Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing.
Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Stability
Stable at normal temperatures and pressures.
Decomposition
Carbon monoxide, Carbon dioxide.

Fire.
Flash Point,°C
273
Fire fighting
Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Hazards
Emits toxic fumes under fire conditions.

Health.
Exposure effects
Avoid contact and inhalation.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If breathing becomes difficult, call a physician.
   Skin
In case of skin contact, flush with copious amounts of water for at least 15 minutes. Remove contaminated clothing and shoes. Call a physician.
   Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Transport.