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MSDS 
:
 4-Vinyl-1-cyclohexene, 99%,stabilized with  50-200 ppm bht
CAS 
:
 100-40-3
SYNONYMS 
:
 Butadine dimer; Cyclohexene, 4-ethenyl-; Cyclohexenylethylene;     4-Ethenyl-1-cyclohexene; 1,2,3,4-Tetrahydrostyrene;     1-Vinylcyclohexene-3; 1-Vinylcyclohex-3-ene; 4-Vinylcyclohexene;     4-Vinylcyclohexene; 4-Vinylcyclohexene-1
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 100-40-3 |4-Vinyl-1-cyclohexene, stab. with 50-2| 99 | 202-848-9 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: XI F
Risk Phrases: 11 38

**** SECTION 3 - HAZARDS IDENTIFICATION ****

EMERGENCY OVERVIEW
Highly flammable. Irritating to skin.

Potential Health Effects
Eye:
Causes eye irritation. May cause conjunctivitis and corneal
inflammation.
Skin:
Causes skin irritation.
Ingestion:
Ingestion of large amounts may cause CNS depression. Causes
gastrointestinal tract irritation. Causes digestive tract
irritation.
Inhalation:
Causes respiratory tract irritation. Vapors may cause dizziness or
suffocation. Exposure may cause headache and rhinitis (inflammation
of the mucous membrane of the nose).
Chronic:
May cause cancer according to animal studies. Potential cancer
hazard.

**** SECTION 4 - FIRST AID MEASURES ****

Eyes:
Immediately flush eyes with plenty of water for at least 15 minutes,
occasionally lifting the upper and lower eyelids. Get medical aid
immediately.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15
minutes while removing contaminated clothing and shoes. Wash clothing
before reuse. Remove contaminated clothing and shoes.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical
aid immediately. Do NOT induce vomiting. If conscious and alert,
rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh
air immediately. If not breathing, give artificial respiration. If
breathing is difficult, give oxygen.
Notes to Physician:
Treat symptomatically and supportively.

**** SECTION 5 - FIRE FIGHTING MEASURES ****

General Information:
As in any fire, wear a self-contained breathing apparatus in
pressure-demand, MSHA/NIOSH (approved or equivalent), and full
protective gear. Vapors may form an explosive mixture with air.
Vapors can travel to a source of ignition and flash back. During a
fire, irritating and highly toxic gases may be generated by thermal
decomposition or combustion. Use water spray to keep fire-exposed
containers cool. Containers may explode in the heat of a fire.
Flammable liquid and vapor. Vapors may be heavier than air. They
can spread along the ground and collect in low or confined areas.
Extinguishing Media:
Water may be ineffective. Use dry chemical, carbon dioxide, or
appropriate foam.

**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Wash area with soap and water. Clean up spills immediately,
observing precautions in the Protective Equipment section. Cover
with sand, dry lime or soda ash and place in a closed container for
disposal. Remove all sources of ignition. Use a spark-proof tool.
Provide ventilation.

**** SECTION 7 - HANDLING and STORAGE ****

Handling:
Wash thoroughly after handling. Use spark-proof tools and explosion
proof equipment. Avoid contact with eyes, skin, and clothing. Keep
container tightly closed. Keep away from heat, sparks and flame. Use
with adequate ventilation. Wash clothing before reuse. Do not
pressurize, cut, weld, braze, solder, drill, grind, or expose empty
containers to heat, sparks or open flames. Do not breathe vapor.
Storage:
Keep away from sources of ignition. Store in a tightly closed
container. Store in a cool, dry, well-ventilated area away from
incompatible substances. Refrigerator/flammables. Do not expose to
air.

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

Engineering Controls:
Use explosion-proof ventilation equipment. Facilities storing or
utilizing this material should be equipped with an eyewash facility
and a safety shower. Use adequate general or local exhaust
ventilation to keep airborne concentrations below the permissible
exposure limits.
Exposure Limits
CAS# 100-40-3:

Belgium - TWA: 0.1 ppm VLE; 0.45 mg/m3 VLE
Malaysia: 0.1 ppm TWA; 0.4 mg/m3 TWA
Netherlands: 0.1 ppm MAC; 0.4 mg/m3 MAC
Spain: 0.1 ppm VLA-ED; 0.45 mg/m3 VLA-ED

Personal Protective Equipment

Eyes:
Wear appropriate protective eyeglasses or chemical
safety goggles as described by OSHA's eye and face
protection regulations in 29 CFR 1910.133 or European
Standard EN166.
Skin:
Wear appropriate protective gloves and clothing to
prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize
contact with skin.
Respirators:
A respiratory protection program that meets OSHA's 29
CFR 1910.134 and ANSI Z88.2 requirements or European
Standard EN 149 must be followed whenever workplace
conditions warrant respirator use.

**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****

Physical State: Liquid
Color: clear colorless
Odor: None reported.
pH: Not available.
Vapor Pressure: 25.8 mm Hg @ 38 C
Viscosity: 0.7 mPas 20 deg C
Boiling Point: 128 deg C @ 760.00mm Hg
Freezing/Melting Point: -109 deg C
Autoignition Temperature: 280 deg C ( 536.00 deg F)
Flash Point: 14 deg C ( 57.20 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: Soluble.
Specific Gravity/Density: .8320g/cm3
Molecular Formula: C8H12
Molecular Weight: 108.18

**** SECTION 10 - STABILITY AND REACTIVITY ****

Chemical Stability:
Oxidizes when exposed to air. May decompose on exposure to moist air
or water. May discolor on exposure to air.
Conditions to Avoid:
Incompatible materials, ignition sources, excess heat, strong
oxidants.
Incompatibilities with Other Materials:
Strong oxidizing agents, alcohols, amines.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported.

**** SECTION 11 - TOXICOLOGICAL INFORMATION ****

RTECS#:
CAS# 100-40-3: GW6650000
LD50/LC50:
CAS# 100-40-3: Inhalation, mouse: LC50 = 27 gm/m3; Oral, rat: LD50 =
3080 uL/kg; Skin, rabbit: LD50 = 20 mL/kg.
Inhalation, rat: LC50 = 8000
Carcinogenicity:
4-Vinyl-1-cyclohexene, stab. with 50-200 ppm BHT -
ACGIH: A3 - Confirmed animal carcinogen with unknown relevance to
California: carcinogen, initial date 5/1/96
IARC: Group 2B carcinogen
Other:
See actual entry in RTECS for complete information.

**** SECTION 12 - ECOLOGICAL INFORMATION ****

Other
No information available.

**** SECTION 13 - DISPOSAL CONSIDERATIONS ****

Dispose of in a manner consistent with federal, state, and local regulations.

**** SECTION 14 - TRANSPORT INFORMATION ****

IATA
Shipping Name: FLAMMABLE LIQUID, N.O.S.*
Hazard Class: 3
UN Number: 1993
Packing Group: II
IMO
Shipping Name: FLAMMABLE LIQUID, N.O.S.
Hazard Class: 3.2
UN Number: 1993
Packing Group: II
RID/ADR
Shipping Name: FLAMMABLE LIQUID, N.O.S.
Hazard Class: 3
UN Number: 1993
Packing group: II

**** SECTION 15 - REGULATORY INFORMATION ****

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI F
Risk Phrases:
R 11 Highly flammable.
R 38 Irritating to skin.
Safety Phrases:
S 9 Keep container in a well-ventilated place.
S 16 Keep away from sources of ignition - No
smoking.
S 29 Do not empty into drains.
S 33 Take precautionary measures against static
discharges.
WGK (Water Danger/Protection)
CAS# 100-40-3: 1
Canada
CAS# 100-40-3 is listed on Canada's DSL List.
CAS# 100-40-3 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 100-40-3 is listed on the TSCA inventory.

**** SECTION 16 - ADDITIONAL INFORMATION ****

MSDS Creation Date: 6/22/1999 Revision #3 Date: 3/18/2003

The information above is believed to be accurate and represents the best
information currently available to us. However, we make no warranty of
merchantability or any other warranty, express or implied, with respect to
such information, and we assume no liability resulting from its use. Users
should make their own investigations to determine the suitability of the
information for their particular purposes. In no way shall the company be
liable for any claims, losses, or damages of any third party or for lost
profits or any special, indirect, incidental, consequential or exemplary
damages, howsoever arising, even if the company has been advised of
the possibility of such damages.
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