1-Methyl-2-piperidinone

  • N-Methyl-2-piperidinone
  • N-Methyl-d-valerolactam
  • N-Methylpiperidone
  • N-Methylvalerolactam
Formula
C6H11NO
Structure

Registry Numbers and Inventories.
CAS
931-20-4
EC (EINECS/ELINCS)
213-231-9
36/37/38
RTECS
TO0124000
RTECS class
Drug
Beilstein/Gmelin
1708
Beilstein Reference
5-21-06-00398
Swiss Giftliste 1
G-8777
Canada DSL/NDSL
NDSL
US TSCA
Listed
New Zealand
Listed

Properties.
Formula
C6H11NO
Formula mass
113.18
Boiling point, °C
228
Vapor pressure, mmHg
0.08 (25 C)
Density
1.033 g/cm3 (20 C)
Solubility in water
Soluble
Viscosity
0.00291 g/(cm s) (20 C)
Refractive index
1.4801 (25 C)
Heat of vaporization
46.4 kJ/mol
Heat of combustion
-3643 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Keep away from heat and open flame. Store in a cool dry place.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Government approved respirator.
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, Acid chlorides.
Decomposition
Carbon monoxide, Carbon dioxide, Nitrogen oxides.

Fire.
Flash Point,°C
91
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. Combustible liquid.

Health.
Poison_Class
4
Exposure effects
Irritant. Irritating to eyes, respiratory system and skin. Combustible.
   Skin
Causes skin irritation. Multiple Routes: May be harmful by inhalation, ingestion, or skin absorption. Vapor or mist is irritating to the eyes, mucous membranes, and upper respiratory tract.

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.