4-Phenyl-3-butyn-2-one

  • Phenylethynyl methyl ketone
  • Methyl phenylethynyl ketone
  • Acetylphenylacetylene
  • 4-Phenyl-3-butyne-2-one
  • (3-Oxo-1-butynyl)benzene
  • 1-Phenyl-1-butyn-3-one
Formula
C10H8O
Structure

Registry Numbers and Inventories.
CAS
1817-57-8
EC (EINECS/ELINCS)
217-327-1
26 27 37/39
RTECS
ES0890000
RTECS class
Drug
Beilstein/Gmelin
878583
Beilstein Reference
4-07-00-01175
New Zealand
Listed

Properties.
Formula
C10H8O
Formula mass
144.18
Melting point, °C
4 - 4.5
Boiling point, °C
253
Vapor pressure, mmHg
0.02 (25 C)
Density
1.025 g/cm3 (20 C)
Solubility in water
Insoluble
Refractive index
1.5738 (20 C)
Heat of vaporization
49.0 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Store at 2-8 C
Protection
Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing. Faceshield (8-inch minimum).
Small spills/leaks
Cover with dry lime or soda ash, pick up, keep in a closed container, and hold for waste disposal. Ventilate area and wash spill site after material pickup is complete.
Incompatibilities
Strong oxidizing agents, Strong bases, Strong reducing agents.
Decomposition
Carbon monoxide, Carbon dioxide.

Fire.
Flash Point,°C
95
Fire fighting
Extinguish using Carbon dioxide, dry chemical powder, or appropriate foam. Water spray. 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
Irritant. Causes severe irritation. Severe lachrymator.

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.
   Eyes
Assure adequate flushing of the eyes by separating the eyelids with fingers.

Transport.