3-Butene-1,2-diol

  • 3,4-Dihydroxy-1-butene
  • Erythrol
  • 1,2-Dihydroxy-3-butene
  • 1-Butene-3,4-diol
Formula
C4H8O2
Structure

Registry Numbers and Inventories.
CAS
497-06-3
EC (EINECS/ELINCS)
207-835-1
36/37/38
Beilstein/Gmelin
1633578
Beilstein Reference
4-01-00-02658
Korea ECL
Listed

Properties.
Formula
C4H8O2
Formula mass
88.11
Boiling point, °C
95 - 96
Density
1.047 g/mL (20 C)
Solubility in water
Very soluble
Refractive index
1.4627 (20 C)
pKa/pKb
13.59 (pKa)
Heat of vaporization
50.4 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Store in a cool dry place.
Protection
Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing.
Small spills/leaks
Absorb on sand or vermiculite and place in closed containers for disposal. Ventilate area and wash spill site after material pickup is complete.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, Polymerizing initiator.
Decomposition
Carbon monoxide, Carbon dioxide.

Fire.
Flash Point,°C
89
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.
Exposure effects
Harmful. Harmful by inhalation, in contact with skin and if swallowed.
   Inhalation
Material may be irritating to mucous membranes and upper respiratory tract.
   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.