ICSC 0473 - 5-ETHYLIDENE-2-NORBORNENE (stabilized)

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5-ETHYLIDENE-2-NORBORNENE (stabilized)

ICSC: 0473
_{March 1999}

ENB
5-Ethylidenebicyclo(2,2,1)hept-2-ene
Ethylidene norbornene

CAS No: 16219-75-3
RTECS No: RB9450000
UN No: 1992

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.	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.	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.	Safety spectacles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion	Nausea. Vomiting.	Do not eat, drink, or smoke during work.	Rinse mouth. Refer for medical attention.

SPILLAGE DISPOSAL	PACKAGING & LABELLING
Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent and remove to safe place. Personal protection: self-contained breathing apparatus.	UN Hazard Class: 3 UN Subsidiary Risks: 6.1 UN Pack Group: III	Airtight. Do not transport with food and feedstuffs.

EMERGENCY RESPONSE	SAFE STORAGE
Transport Emergency Card: TEC (R)-30GFT1-III	Fireproof. Separated from strong oxidants, 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. The substance decomposes on burning producing acrid smoke and irritating fumes. Reacts with strong oxidants.

Occupational exposure limits
TLV: 5 ppm (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 irritates the eyes, the skin and the 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.

IPCS
International
Programme on
Chemical Safety

Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004

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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.

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