2-Methyl-1-tetralone

  • 2-Methyl-a-tetralone
  • 3,4-Dihydro-2-methyl-1(2H)-naphthalenone
  • 1-Oxo-2-methyl-1,2,3,4-tetrahydronaphthalene
Formula
C11H12O
Structure
Description
Clear yellow liquid.

Registry Numbers and Inventories.
CAS
1590-08-5
EC (EINECS/ELINCS)
216-461-8
Beilstein/Gmelin
1909604
Beilstein Reference
4-07-00-01033

Properties.
Formula
C11H12O
Formula mass
160.21
Melting point, °C
15
Boiling point, °C
262
Vapor pressure, mmHg
0.01 (25 C)
Density
1.06 g/cm3 (21 C)
Solubility in water
Insoluble
Refractive index
1.5467 (20.9 C)
Partition coefficient, pKow
3.11
Heat of vaporization
50.0 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Wash thoroughly after handling. Use with adequate ventilation. Avoid contact with skin and eyes. Avoid ingestion and inhalation.
Protection
Eyes: Wear chemical goggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidzing agents
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
107
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Health.
Exposure effects
   Ingestion
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
   Inhalation
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
   Skin
May cause skin irritation.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid.
   Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.