Allopregnandione

  • 5a-Dihydroprogesterone
  • Allopregnane-3,20-dione
  • 5a-Pregnane-3,20-dione
Formula
C21H32O2
Structure
Description
White solid

Registry Numbers and Inventories.
CAS
566-65-4
EC (EINECS/ELINCS)
209-297-3
RTECS
TU4157150
RTECS class
Drug; Hormone
Merck
12,273
Beilstein/Gmelin
2058506
Beilstein Reference
4-07-00-02199

Properties.
Formula
C21H32O2
Formula mass
316.48
Boiling point, °C
429
Vapor pressure, mmHg
1E-7 (25 C)
Solubility in water
Insoluble
Heat of vaporization
68.4 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Government approved respirator.
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
160
Fire fighting
Extinguish using Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Health
3
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
The chemical, physical, and toxicological properties of this product have not been thoroughly investigated. Exercise due care.

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.