1,4-Pentadien-3-ol

  • Divinylcarbinol
  • 3-Hydroxy-1,4-pentadiene
  • Diethenylmethyl alcohol
Formula
C5H8O
Structure
Description
Colorless clear liquid

Registry Numbers and Inventories.
CAS
922-65-6
EC (EINECS/ELINCS)
213-080-9
UN (DOT)
1987
Beilstein/Gmelin
1735809
Beilstein Reference
4-01-00-02229

Properties.
Formula
C5H8O
Formula mass
84.12
Boiling point, °C
115 - 116
Vapor pressure, mmHg
9.6 (25 C)
Density
0.866 g/mL (17 C)
Refractive index
1.4451 (17 C)
pKa/pKb
13.68 (pKb)
Heat of vaporization
41.3 kJ/mol

Hazards and Protection.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Government approved respirator.
Small spills/leaks
Cover with dry-lime, sand, or soda ash. Place in covered containers using non-sparking tools and transport outdoors. Ventilate area and wash spill site after material pickup is complete.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide.

Fire.
Flash Point,°C
32
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
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
Hazards
Flammable liquid. Emits toxic fumes under fire conditions.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.
Health
1
 
Flammability
3
 
 
Reactivity
0
 

Health.
Exposure effects
Harmful. Flammable. Harmful if swallowed.
   Ingestion
Harmful if swallowed.
   Inhalation
Material may be irritating to mucous membranes and upper respiratory tract. May be harmful if inhaled.
   Skin
May cause skin irritation. May be harmful if absorbed through the skin.
   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 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.
UN number
1987
Response guide
Hazard class
3
Packing Group
III