Dienestrol

  • 3,4-Bis(4-hydroxyphenyl)-2,4-hexadiene
  • p,p'-(Diethylideneethylene)diphenol
  • 4,4'-(1,2-Diethylidene-1,2-ethanediyl)bisphenol
  • Estrodienol
  • Restrol
  • Synestrol
Formula
C18H18O2
Structure
Uses
ynthetic estrogenic compound closely related to diethylstilbestrol

Registry Numbers and Inventories.
CAS
84-17-3
EC (EINECS/ELINCS)
201-519-7
22 24/25
RTECS
SL0580000
RTECS class
Tumorigen; Mutagen; Reproductive Effector; Hormone
Merck
12,3153
Beilstein/Gmelin
2053694
Beilstein Reference
4-06-00-06916
Canada DSL/NDSL
DSL
Austrailia AICS
Listed

Properties.
Formula
C18H18O2
Formula mass
266.34
Melting point, °C
226 - 228
Boiling point, °C
395
Sublimation point, °C
130 (1 torr)
Vapor pressure, mmHg
8E-7 (25 C)
Density
1.184 g/cm3
Refractive index
1.5403 (224 C)
pKa/pKb
9.21 (pKa)
Heat of vaporization
67.1 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.
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.
Carcinogin
CP65
Exposure effects
Properties of this material have not yet been prepared. Any recommendations are of a general nature. Many chemicals cause irritation of the eyes, skin, and respiratory tract. In severe cases respiratory tract irritation can progress to ARDS/acute lung injury which may be delayed in onset for up to 24 to 72 hours in some cases Irritation or burns of the esophagus or gastrointestinal tract are also possible if caustic or irritant chemicals are ingested. ALWAYS contact your local poision control authority or medical professional for assistance.

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.