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cyclohexene 110-83-8 MSDS
Name: Cyclohexene 99% Material Safety Data Sheet
Synonym: Benzenetetrahydride 1,2,3,4-Tetrahydrobenzen
CAS: 110-83-8
Section 1 - Chemical Product   MSDS Name:Cyclohexene 99% Material Safety Data Sheet
Synonym:Benzenetetrahydride 1,2,3,4-Tetrahydrobenzen

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
110-83-8 Cyclohexene 99.0 203-807-8
Hazard Symbols: F
Risk Phrases: 11 19 21/22 65

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Highly flammable. May form explosive peroxides. Harmful in contact with skin and if swallowed. Harmful: may cause lung damage if swallowed.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation.
Ingestion:
May cause irritation of the digestive tract. May cause central nervous system depression, characterized by excitement, followed by headache, dizziness, drowsiness, and nausea. Advanced stages may cause collapse, unconsciousness, coma and possible death due to respiratory failure. May be harmful if swallowed.
Inhalation:
Inhalation of high concentrations may cause central nervous system effects characterized by nausea, headache, dizziness, unconsciousness and coma. Causes respiratory tract irritation.
Chronic:
Prolonged or repeated skin contact may cause defatting and dermatitis.

Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:

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 can travel to a source of ignition and flash back. Use water spray to keep fire-exposed containers cool. Extremely flammable liquid and vapor. Vapor may cause flash fire. Water may be ineffective. Material is lighter than water and a fire may be spread by the use of water. May form explosive peroxides. Vapors may be heavier than air. They can spread along the ground and collect in low or confined areas. Will be easily ignited by heat, sparks or flame. Vapors may form an explosive mixture with air. Containers may explode if exposed to fire.
Extinguishing Media:
For small fires, use dry chemical, carbon dioxide, water spray or alcohol-resistant foam. Use water spray to cool fire-exposed containers. Water may be ineffective. This material is lighter than water and insoluble in water. The fire could easily be spread by the use of water in an area where the water cannot be contained. Do NOT use straight streams of water. For large fires, use dry chemical, carbon dioxide, alcohol-resistant foam, or water spray. Cool containers with flooding quantities of water until well after fire is out.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Clean up spills immediately, observing precautions in the Protective Equipment section. Remove all sources of ignition. Use a spark-proof tool. Provide ventilation. A vapor suppressing foam may be used to reduce vapors. Water spray may reduce vapor but may not prevent ignition in closed spaces.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Ground and bond containers when transferring material. Use spark-proof tools and explosion proof equipment. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep away from heat, sparks and flame.
Avoid ingestion and inhalation. If peroxide formation is suspected, do not open or move container. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames.
Storage:
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Do not store in direct sunlight. Store in a tightly closed container. Keep from contact with oxidizing materials. Store in a cool, dry, well-ventilated area away from incompatible substances.
Containers should be dated when opened and tested periodically for the presence of peroxides. Should crystals form in a peroxidizable liquid, peroxidation may have occurred and the product should be considered extremely dangerous. In this instance, the container should only be opened remotely by professionals. All peroxidizable substances should be stored away from heat and light and be protected from ignition sources.

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# 110-83-8: United States OSHA: 300 ppm TWA; 1015 mg/m3 TWA Belgium - TWA: 300 ppm VLE; 1025 mg/m3 VLE France - VME: 300 ppm VME; 1015 mg/m3 VME Germany: 300 ppm TWA; 1000 mg/m3 TWA Malaysia: 300 ppm TWA; 1010 mg/m3 TWA Netherlands: 300 ppm MAC; 1015 mg/m3 MAC Russia: 50 mg/m3 TWA Spain: 300 ppm VLA-ED; 1020 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 to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Liquid
Color: clear, colorless
Odor: Sweetish odor.
pH: Not available.
Vapor Pressure: 75 mm Hg @20C
Viscosity: Not available.
Boiling Point: 83 deg C @ 760.00mm Hg
Freezing/Melting Point: - 104.00 - - 0.00 deg
Autoignition Temperature: 250 deg C ( 482.00 deg F)
Flash Point: -20 deg C ( -4.00 deg F)
Explosion Limits, lower: 1.30 vol %
Explosion Limits, upper: 7.70 vol %
Decomposition Temperature:
Solubility in water: insoluble
Specific Gravity/Density: .8110g/cm3
Molecular Formula: C6H10
Molecular Weight: 82.13

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Under normal storage conditions, peroxidizable compounds can form and accumulate peroxides which may explode when subjected to heat or shock. This material is most hazardous when peroxide levels are concentrated by distillation or evaporation.
Conditions to Avoid:
Incompatible materials, light, ignition sources, oxidizers.
Incompatibilities with Other Materials:
Oxidizing agents and acids..
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 110-83-8: GW2500000 LD50/LC50:
CAS# 110-83-8: Dermal, guinea pig: LD50 = >20 mL/kg; Inhalation, mouse: LC50 = 50000 mg/m3; Oral, mouse: LD50 = >3200 uL/kg; Oral, mouse: LD50 = 2300 mg/kg; Oral, rat: LD50 = 2400 uL/kg; Oral, rat: LD50 = 1300 mg/kg.
Oral, mice: LD50 = 3.2 mL/kg Carcinogenicity:
Cyclohexene - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
 

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: CYCLOHEXENE
Hazard Class: 3
UN Number: 2256
Packing Group: II
IMO
Shipping Name: CYCLOHEXENE
Hazard Class: 3.1
UN Number: 2256
Packing Group: II
RID/ADR
Shipping Name: CYCLOHEXENE
Hazard Class: 3
UN Number: 2256
Packing group: II

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: F
Risk Phrases:
R 11 Highly flammable.
R 19 May form explosive peroxides.
R 21/22 Harmful in contact with skin and if
swallowed.
R 65 Harmful: may cause lung damage if swallowed.
Safety Phrases:
S 16 Keep away from sources of ignition - No
smoking.
S 36/37 Wear suitable protective clothing and
gloves.
WGK (Water Danger/Protection)
CAS# 110-83-8: 1
Canada
CAS# 110-83-8 is listed on Canada's DSL List.
CAS# 110-83-8 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 110-83-8 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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