Mesterolone

  • Androviron
  • Proviron
  • Testiwop
  • 1a-Methylandrostan-17b-ol-3-one
  • 17b-Hydroxy-1a-methyl-5a-androstan-3-one
Formula
C20H32O2
Structure
Uses
US DEA Schedule III substance.

Registry Numbers and Inventories.
CAS
1424-00-6
EC (EINECS/ELINCS)
215-836-3
20/21/22
22 24/25 36/37/39
RTECS
BV8063400
RTECS class
Reproductive Effector; Hormone
Merck
12,5974
Beilstein/Gmelin
1886092
Beilstein Reference
5-08

Properties.
Formula
C20H32O2
Formula mass
304.47
Melting point, °C
203 - 206
Boiling point, °C
420
Vapor pressure, mmHg
8E-9 (25 C)
Solubility in water
Insoluble
Heat of vaporization
77.9 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.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide.

Fire.
Flash Point,°C
179
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
1
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
Harmful. Harmful by inhalation, in contact with skin and if swallowed. Target organ(s): Possible reproductive hazard. Reproductive system.
   Ingestion
Harmful if swallowed.
   Inhalation
Harmful if inhaled. Material may be irritating to mucous membranes and upper respiratory tract.
   Skin
May cause skin irritation. Harmful if absorbed through skin.
   Eyes
May cause eye irritation.

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 not breathing give artificial respiration. If breathing is difficult, give oxygen.
   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.