- Pregnan-20-one, 3-hydroxy-, (3-alpha,5-alpha)- (9CI)
Registry Numbers and Inventories.
Melting point, °C
176 - 178
Boiling point, °C
Vapor pressure, mmHg
3.1E-9 (25 C)
1.053 g/cm3 (20 C)
Partition coefficient, pKow
Heat of vaporization
Hazards and Protection.
Keep container tightly closed. Keep container in a cool, well-ventilated area. Do not store above 20 C.
Splash goggles. Full suit. Boots. Gloves. Suggested protective clothing might not be sufficient; consult a specialist BEFORE handling this product.
Use a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading water on the contaminated surface and allow to evacuate through the sanitary system.
Stable at normal temperatures and pressures.
Extinguishing media: SMALL FIRE: Use DRY chemical powder. LARGE FIRE: Use water spray, fog or foam. Do not use water jet. Wear positive pressure self-contained breathing apparatus (SCBA) and full turnout gear.
May be combustible at high temperature.
:Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight clothing such as a collar, tie, belt or waistband.
If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention.
In case of contact, immediately flush skin with plenty of water. Remove contaminated clothing and shoes. Wash clothing before reuse. Thoroughly clean shoes before reuse. Get medical attention.
Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical attention.