(+)-Equilenin

  • 3-Hydroxyestra-1,3,5,7,9-pentaen-17-one
Formula
C18H18O2
Structure
Uses
Steroidal sex hormone.

Registry Numbers and Inventories.
CAS
517-09-9
EC (EINECS/ELINCS)
208-230-5
RTECS
KG6125000
RTECS class
Tumorigen
UN (DOT)
2811
Merck
12,3675
Beilstein/Gmelin
2335367
Beilstein Reference
4-08-00-01420

Properties.
Formula
C18H18O2
Formula mass
266.34
Boiling point, °C
473
Vapor pressure, mmHg
1E-9 (25 C)
Solubility in water
Insoluble
pKa/pKb
9.71 (pKa)
Heat of vaporization
76.4 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Store in a cool dry place. Store at 2-8 C
Protection
Compatible chemical-resistant gloves.
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.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide.

Fire.
Flash Point,°C
201
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.
Fire potential
Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
Hazards
Emits toxic fumes under fire conditions.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.
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.
   Ingestion
See Inhalation.
   Inhalation
TOXIC; inhalation, ingestion, or skin contact with material may cause severe injury or death. Effects of contact or inhalation may be delayed.
   Skin
May cause skin irritation.
   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 contact, immediately wash skin with soap and copious amounts of water.
   Eyes
In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.

Transport.
UN number
2811
Response guide
Hazard class
6.1