|Name:||1 2 3 4-Tetrahydronaphthalene 95-98% Material Safety Data Sheet|
|Synonym:||THN; Tetrahydronaphthalene; Tetralin|
Synonym:THN; Tetrahydronaphthalene; Tetralin
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
Risk Phrases: 19 36/38 51/53
Section 3 - HAZARDS IDENTIFICATION
May form explosive peroxides. Irritating to eyes and skin. Toxic to aquatic organisms; may cause long-term adverse effects in the aquatic environment.Air sensitive.
Potential Health Effects
May cause eye irritation.
May cause skin irritation.
Aspiration hazard. Causes gastrointestinal irritation with nausea, vomiting and diarrhea. 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.
Inhalation of high concentrations may cause central nervous system effects characterized by nausea, headache, dizziness, unconsciousness and coma. Inhalation of vapor may cause respiratory tract irritation.
May cause narcotic effects in high concentration. Exposure produces central nervous system depression. May cause dizziness, incoordination, and unconsciousness.
Overexposure may cause delayed kidney injury. Chronic ingestion may cause liver damage.
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. Do NOT allow victim to rub or keep eyes closed.
Get medical aid if irritation develops or persists. Wash clothing before reuse. Flush skin with plenty of soap and water.
Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Possible aspiration hazard. Get medical aid if irritation or symptoms occur.
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Get medical aid if cough or other symptoms appear. Do NOT use mouth-to-mouth resuscitation.
Notes to Physician:
Section 5 - FIRE FIGHTING MEASURES
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. 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. May form explosive peroxides. May accumulate static electrical charges, and may cause ignition of its own vapors. Containers may explode when heated.
Combustible liquid and vapor. Vapors are heavier than air and may travel to a source of ignition and flash back. Vapors can spread along the ground and collect in low or confined areas.
In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. Use water spray to cool fire-exposed containers. Water may be ineffective.
Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
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. Isolate area and deny entry. Provide ventilation. Place under an inert atmosphere.
Section 7 - HANDLING and STORAGE
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well-ventilated area. Ground and bond containers when transferring material. Avoid contact with skin and eyes. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Avoid contact with heat, sparks and flame. Avoid ingestion and inhalation.
If peroxide formation is suspected, do not open or move container.
Avoid contact with air and sunlight. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames. Unused chemicals should not be returned to the container. Do not distill since this removes peroxide-inhibitors.
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.
Regularly check inhibitor levels to maintain peroxide levels below 1%. Do not break the seal on the container until it is needed.
Long-term storage is not recommended. 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
Use explosion-proof ventilation equipment. Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Personal Protective Equipment Eyes: Wear chemical goggles.
Wear appropriate gloves to prevent skin exposure.
Wear appropriate protective clothing to minimize contact with skin.
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
Physical State: Liquid
Appearance: clear, colorless to pale yellow liquid.
Odor: gasoline-like - hydrocarbon-like
pH: Not available.
Vapor Pressure: 1 mm Hg @ 38 deg C
Viscosity: 2.2 mPa s @20 deg C
Boiling Point: 207 deg C
Freezing/Melting Point: -30 deg C
Autoignition Temperature: 385 deg C ( 725.00 deg F)
Flash Point: 71 deg C ( 159.80 deg F)
Explosion Limits, lower: 0.8% @ 212F
Explosion Limits, upper: 5.0% @ 302F
Decomposition Temperature: Not available.
Solubility in water: Negligible.
Specific Gravity/Density: .97
Molecular Formula: C10H12
Molecular Weight: 132.20
Section 10 - STABILITY AND REACTIVITY
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:
Light, ignition sources, exposure to air, excess heat.
Incompatibilities with Other Materials:
Strong oxidizing agents, Attacks some forms of plastics, rubber, and coatings..
Hazardous Decomposition Products:
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Will not occur.
Section 11 - TOXICOLOGICAL INFORMATION
CAS# 119-64-2: QK3850000 LD50/LC50:
CAS# 119-64-2: Oral, rat: LD50 = 1620 uL/kg; Skin, rabbit: LD50 = 17300 uL/kg.
1,2,3,4-Tetrahydronaphthalene - Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
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
Shipping Name: Not regulated.
Shipping Name: Not regulated.
Shipping Name: Not regulated.
Dangerous Goods Code:
Section 15 - REGULATORY INFORMATION
European Labeling in Accordance with EC Directives
Hazard Symbols: XI N
R 19 May form explosive peroxides.
R 36/38 Irritating to eyes and skin.
R 51/53 Toxic to aquatic organisms; may cause
long-term adverse effects in the aquatic environment.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 28A After contact with skin, wash immediately with
plenty of water.
S 61 Avoid release to the environment. Refer to
special instructions/Safety data sheets.
WGK (Water Danger/Protection)
CAS# 119-64-2: 2
United Kingdom Occupational Exposure Limits
CAS# 119-64-2 is listed on Canada's DSL List.
CAS# 119-64-2 is listed on Canada's Ingredient Disclosure List.
CAS# 119-64-2 is listed on the TSCA inventory.
SECTION 16 - ADDITIONAL INFORMATION