3-Pentadecyl-1,2-benzenediol

  • 3-Pentadecylcatechol
  • 3-N -Pentadectyl catechol
  • Poison ivy extract
Formula
C21H36O2
Structure
Description
Slightly yellow solid with an almond oil odor.

Registry Numbers and Inventories.
CAS
492-89-7
RTECS
UX2275000
Merck
12,7244
Beilstein/Gmelin
1885390
Beilstein Reference
4-06-00-06109

Properties.
Formula
C21H36O2
Formula mass
320.52
Melting point, °C
59 - 60
Boiling point, °C
446
Vapor pressure, mmHg
1.5E-8 (25 C)
Density
0.960 g/cm3 (20 C)
Solubility in water
Insoluble
Refractive index
 
pKa/pKb
9.69 (pKa)
Partition coefficient, pKow
8.78
Heat of vaporization
73.1 kJ/mol

Hazards and Protection.
Storage
Keep in a cool, dry location in a tightly sealed container.
Protection
Protective gloves and clothing. Chemical safety goggles.
Small spills/leaks
Wipe or mop up spilled material. Wash all contaminated surfaces with soap and water. Place waste in appropriate labeled sealed container.
Stability
Stable at normal temperatures and pressures.

Fire.
Flash Point,°C
192
Fire fighting
Extinguish with carbon dioxide, dry chemical powder, foam, water spray. Wear self-contained breathing apparatus.

Health.
Exposure effects
   Skin
Allergenic, irritation, vesiculation

First aid
 
   Ingestion
Obtain medical attention.
   Inhalation
Remove to fresh air. Obtain medical attention.
   Skin
Sponge off by swabbing with undiluted alcohol. Obtain medical attention.
   Eyes
Flush with water for 15 minutes. Obtain medical attention.

Transport.