Maple lactone

  • 2-Hydroxy-1-methylcyclopenten-3-one
  • 2-Hydroxy-3-methyl-2-cyclopenten-1-one
  • 3-Methyl-2-hydroxy-2-cyclopentenone
  • 3-Methylcyclopent-2-en-2-ol-1-one
  • Cyclotene
Formula
C6H8O2
Structure
Uses
Pheromone, Fragrance

Registry Numbers and Inventories.
CAS
80-71-7
EC (EINECS/ELINCS)
201-303-2
RTECS
GY7298000
RTECS class
Mutagen
UN (DOT)
1325
Beilstein/Gmelin
2039308
EPA OPP
4049
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C6H8O2
Formula mass
112.13
Melting point, °C
54
Boiling point, °C
242
Critical temperature
446
Critical pressure
47.1
Density
1 g/cm3
Solubility in water
Soluble
pKa/pKb
9.21 (pKa)
Partition coefficient, pKow
-0.66

Hazards and Protection.
Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Wear appropriate protective gloves, clothing and goggles.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Small spills/leaks
Make no contact with the spilled material. ELIMINATE all ignition sources and ground all equipment. With clean shovel place material into clean, dry container and cover loosely; move containers from spill area.
Stability
No data.

Fire.
Flash Point,°C
100
Fire fighting
Small Fires: Dry chemical, carbon dioxide, sand, earth, water spray or regular foam. Large Fires: Water spray, fog or regular foam.
Fire potential
Flammable/combustible material. May be ignited by friction, heat, sparks or flames.
Combustion products
Fire may produce irritating and/or toxic gases.

Health.
Exposure effects
The toxological properties of this substance have not been fully investigated.
   Skin
May cause burns.
   Eyes
See Skin.

First aid
 
   Ingestion
Seek medical assistance.
   Inhalation
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult.
   Skin
Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush with running water for at least 20 minutes. Wash skin with soap and water.
   Eyes
In case of contact with substance, immediately flush with running water for at least 20 minutes.

Transport.
UN number
1325
Response guide
Hazard class
4.1
Packing Group
II; III
 
HS Code
2914 40 90