ICSC 1177 - 4-VINYLCYCLOHEXENE

[List of Chemicals] [Risk Notes] [Risk Phrases] [Safety Phrases] [Danger Symbols]

4-VINYLCYCLOHEXENE

ICSC: 1177
_{October 1995}

4-Ethenyl-1-cyclohexene
Cyclohexenylethylene

CAS No: 100-40-3
RTECS No: GW6650000
UN No: 1993

C₆H₉CH=CH₂ / C₈H₁₂
Molecular mass: 108.2

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRST AID / FIRE FIGHTING
FIRE	Highly flammable.	NO open flames, NO sparks, and NO smoking. NO contact with oxidants.	Foam, powder, carbon dioxide.
EXPLOSION	Vapour/air mixtures are explosive.	Closed system, ventilation, explosion-proof electrical equipment and lighting. Do NOT use compressed air for filling, discharging, or handling.	In case of fire: keep drums, etc., cool by spraying with water.

EXPOSURE		STRICT HYGIENE!
Inhalation		Ventilation, local exhaust, or breathing protection.
Skin	Redness.	Protective gloves. Protective clothing.	Remove contaminated clothes. Rinse skin with plenty of water or shower.
Eyes	Redness.	Safety goggles or eye protection in combination with breathing protection.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion		Do not eat, drink, or smoke during work.	Refer for medical attention.

SPILLAGE DISPOSAL	PACKAGING & LABELLING
Collect leaking liquid in sealable containers. Absorb remaining liquid in dry sand or inert absorbent and remove to safe place. Do NOT wash away into sewer. Personal protection: filter respirator for organic gases and vapours.	UN Hazard Class: 3 UN Pack Group: II	Airtight.

EMERGENCY RESPONSE	SAFE STORAGE
Transport Emergency Card: TEC (R)-30GF1-I+II NFPA Code: H0; F3; R2	Fireproof. Separated from oxidants. Cool. Store only if stabilized.

IMPORTANT DATA

Physical State; Appearance
COLOURLESS LIQUID.

Physical dangers
The vapour mixes well with air, explosive mixtures are easily formed.

Chemical dangers
The substance can form explosive peroxides. Reacts with oxidants causing fire and explosion hazard.

Occupational exposure limits
TLV: 0.1 ppm as TWA; A3 (confirmed animal carcinogen with unknown relevance to humans); (ACGIH 2004).
MAK: skin absorption (H); Carcinogen category: 2; (DFG 2005).

Routes of exposure
The substance can be absorbed into the body by inhalation of its vapour, through the skin and by ingestion.

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

Effects of short-term exposure
The substance is irritating to the eyes and the skin.

Effects of long-term or repeated exposure
This substance is possibly carcinogenic to humans.

PHYSICAL PROPERTIES	ENVIRONMENTAL DATA
Boiling point: 130°C Melting point: -109°C Relative density (water = 1): 0.829 Solubility in water: none Vapour pressure, kPa at 38°C: 3.43 Relative vapour density (air = 1): 3.7 Relative density of the vapour/air-mixture at 20°C (air = 1): 1.09 Flash point: 16°C c.c. Auto-ignition temperature: 269°C Octanol/water partition coefficient as log Pow: 3.93	Bioaccumulation of this chemical may occur along the food chain, for example in fish.

NOTES

Do NOT take working clothes home.
An added stabilizer or inhibitor can influence the toxicological properties of this substance, consult an expert.
Check for peroxides prior to distillation; eliminate if found.
Card has been partly updated in October 2005. See sections Occupational Exposure Limits, 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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