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5-ETHYLIDENE-2-NORBORNENE (stabilized)
ICSC: 0473
Peer-Review Status: 26.03.1999 Validated
ENB
5-Ethylidenebicyclo(2,2,1)hept-2-ene
Ethylidene norbornene
CAS #: 16219-75-3 RTECS #: RB9450000
UN #: 1992
EINECS #: 240-347-7
    Formula: C9H12
Molecular mass: 120.2

TYPES OF HAZARD
/ EXPOSURE
ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE-FIGHTING
FIRE Flammable.  NO open flames, NO sparks and NO smoking.  Use powder, AFFF, foam, carbon dioxide. NO water. 
EXPLOSION Above 38°C explosive vapour/air mixtures may be formed.  Above 38°C use a closed system, ventilation and explosion-proof electrical equipment. Prevent build-up of electrostatic charges (e.g., by grounding).  In case of fire: keep drums, etc., cool by spraying with water. Combat fire from a sheltered position. 
 
EXPOSURE      
Inhalation Confusion. Cough. Headache. Shortness of breath. Sore throat.  Use ventilation, local exhaust or breathing protection.  Fresh air, rest. Refer for medical attention. 
Skin Redness. Pain.  Protective gloves.  Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention . 
Eyes Redness. Pain.  Wear safety spectacles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion Nausea. Vomiting.  Do not eat, drink, or smoke during work.  Rinse mouth. Refer for medical attention . 

SPILLAGE DISPOSAL
PACKAGING & LABELLING
Personal protection: self-contained breathing apparatus. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations.  Airtight.
Do not transport with food and feedstuffs. 
EC Classification
 
UN Classification
UN Hazard Class: 3; UN Subsidiary Risks: 6.1; UN Pack Group: III 
GHS Classification
 

EMERGENCY RESPONSE SAFE STORAGE
Transport Emergency Card: TEC (R)-30GFT1-III.  Fireproof. Separated from strong oxidants and food and feedstuffs. Cool. Keep under inert gas. Store only if stabilized. 

IMPORTANT DATA
Physical State; Appearance
WHITE-TO-COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR. 

Physical dangers
As a result of flow, agitation, etc., electrostatic charges can be generated. 

Chemical dangers
The substance may polymerize. Decomposes on burning. This produces acrid smoke and irritating fumes. Reacts with strong oxidants. 

Occupational exposure limits
TLV: 5ppm (ceiling value); (ACGIH 2004). 

Routes of exposure
The substance can be absorbed into the body by inhalation and by ingestion. 

Inhalation risk
A harmful contamination of the air can be reached rather quickly on evaporation of this substance at 20°C. 

Effects of short-term exposure
The substance is irritating to the eyes, skin and respiratory tract. If this liquid is swallowed, aspiration into the lungs may result in chemical pneumonitis. 

Effects of long-term or repeated exposure
The substance may have effects on the liver and kidneys. 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Boiling point: 148°C
Melting point: -80°C
Relative density (water = 1): 0.9
Solubility in water: none
Vapour pressure, Pa at 20°C: 560
Relative vapour density (air = 1): 4.1
Flash point: 38°C o.c. 
 

NOTES
The occupational exposure limit value should not be exceeded during any part of the working exposure.
An added stabilizer or inhibitor can influence the toxicological properties of this substance; consult an expert.
Card has been partly updated in October 2005.
See section Emergency Response. 

ADDITIONAL INFORMATION
 

IPCS
International
Programme on
Chemical Safety
WHO ILO EC Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004-2012
LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.
    See Also:
       Toxicological Abbreviations