2-Norbornene

  • Bicyclo[2.2.1]heptene
  • 8,9,10-Trinorborn-2-ene
  • 3,6-Endomethylenecyclohexene
  • Norfenchene
  • Norbornylene
  • Norcamphene
Formula
C7H10
Structure
Description
White solid.

Registry Numbers and Inventories.
CAS
498-66-8
EC (EINECS/ELINCS)
207-866-0
EC Class
highly flammable
R 11 65
S 16 22 24/25 62
RTECS
RB7900000
RTECS class
Other
UN (DOT)
1325
Beilstein/Gmelin
2213921
Swiss Giftliste 1
G-4815
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C7H10
Formula mass
94.16
Melting point, °C
-72
Boiling point, °C
96
Vapor pressure, mmHg
51 (25 C)
Critical temperature
316.9
Critical pressure
48.0
Density
0.82 g/cm3 (20 C)
Solubility in water
Insoluble
Refractive index
1.4995 (20 C)
Partition coefficient, pKow
3.24
Heat of vaporization
37.1 kJ/mol
Heat of combustion
-4228 kJ/mol

Hazards and Protection.
Storage
Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. Refrigerator/flammables.
Handling
Use spark-proof tools and explosion proof equipment. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Protection
Eyes: Wear chemical goggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.
Respirators
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.
Disposal code
3
Stability
No data.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
-15
Autoignition, °C
505
Upper exp. limit, %
9.8
Lower exp. limit, %
1.2
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Will burn if involved in a fire. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Fire potential
Highly flammable. Vapors can travel to a source of ignition and flash back.
Combustion products
Fire may produce irritating and/or toxic gases.

Health.
Poison_Class
5
Exposure effects
The toxological properties of this substance have not been fully investigated.
   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.
   Skin
May cause skin irritation.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
Get medical aid. Wash mouth out with water.
   Inhalation
Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.
   Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.
UN number
1325
Response guide
Hazard class
4.1
Packing Group
II; III
 
USCG CHRIS Code
HFN
 
HS Code
2902 19 90