Pinosylvin

  • trans-5-(2-Phenylvinyl)-1,3-benzenediol
Formula
C14H12O2
Structure
Description
Off-white, flaky crystals.

Registry Numbers and Inventories.
CAS
22139-77-1
RTECS
WJ5580000
Merck
12,7604
Beilstein/Gmelin
1870942
Beilstein Reference
3-06-00-05577

Properties.
Formula
C14H12O2
Formula mass
212.25
Melting point, °C
153 - 155
Boiling point, °C
 436
Vapor pressure, mmHg
3.4E-8 (25 C)
Density
1.25 g/cm3 (20 C)
Solubility in water
Insoluble
Refractive index
 
pKa/pKb
9.34 (pKa)
Partition coefficient, pKow
3.68
Heat of vaporization
71.9 kJ/mol

Hazards and Protection.
Protection
Wear self-contained breathing apparatus, rubber boots & heavy rubber gloves.
Small spills/leaks
Sweep-up/absorb in suitable material, place in a container and hold for disposal. Avoid raising dust. Ventilate area and wash spill site after pickup is complete.

Fire.
Fire fighting
Extinguish with carbon dioxide, dry chemical powder or appropriate foam. Water spray. Wear self-contained breathing apparatus and protective clothing to prevent contact with the skin and eyes.
Combustion products
Emits toxic fumes under fire conditions.

Health.
Exposure effects

First aid
 
   Ingestion
If swallowed, wash out mouth with water, provided person is conscious. Seek medical advice.
   Inhalation
Remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen. Seek medical attention.
   Skin
Immediately wash skin with soap and copious amounts of water for at least 15 minutes. If irritation persists, seek medical attention.
   Eyes
Immediately flush eyes with copious amounts of water for at least 15 minutes. Seek medical advice.

Transport.