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MSDS 
:
 Vinyltoluene, stabilized with 10 to 15 ppm p-tert-Butylcatechol
CAS 
:
 25013-15-4
SYNONYMS 
:
 Ethenylmethylbenzene; Methylstyrene; Styrene, methyl-
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 25013-15-4 |Vinyl toluene | ca.100 | 246-562-2 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: XN
Risk Phrases: 10 20

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

EMERGENCY OVERVIEW
Flammable. Harmful by inhalation.

Potential Health Effects
Eye:
Causes eye irritation. May cause chemical conjunctivitis and
corneal damage.
Skin:
Causes skin irritation. May cause cyanosis of the extremities.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and
diarrhea. Ingestion of large amounts may cause CNS depression.
Inhalation:
Causes respiratory tract irritation. May be harmful if inhaled.
Vapors may cause dizziness or suffocation. Can produce delayed
pulmonary edema. May cause burning sensation in the chest.
Chronic:
Prolonged or repeated skin contact may cause dermatitis. May cause
reproductive and fetal effects. Effects may be delayed. Laboratory
experiments have resulted in mutagenic effects.

**** 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.
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.
Ingestion:
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. Get medical aid.
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:
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. Will burn if involved in a fire. Use
water spray to keep fire-exposed containers cool. Water may be
ineffective. Material is lighter than water and a fire may be spread
by the use of water. 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:
For small fires, use dry chemical, carbon dioxide, water spray or
alcohol-resistant foam. For large fires, use water spray, fog, 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. Use
agent most appropriate to extinguish fire. Do NOT use straight
streams of water.

**** 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.

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

Handling:
Remove contaminated clothing and wash before reuse. Use only in a
well-ventilated area. 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
container tightly closed. Keep away from heat, sparks and flame.
Avoid ingestion and inhalation. 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. Store in a tightly closed container. Store in a cool, dry,
well-ventilated area away from incompatible substances.
Flammables-area. Keep refrigerated. (Store below 4C/39F.)

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

Engineering Controls:
Facilities storing or utilizing this material should be equipped
with an eyewash facility and a safety shower. Use adequate general or
local explosion-proof ventilation to keep airborne levels to
acceptable levels.
Exposure Limits
CAS# 25013-15-4:
United States OSHA: 100 ppm TWA; 480 mg/m3 TWA
Belgium - TWA: 50 ppm VLE; 246 mg/m3 VLE
Belgium - STEL: 100 ppm VLE; 490 mg/m3 VLE
France - VME: 50 ppm VME; 240 mg/m3 VME
Germany: 100 ppm TWA; 490 mg/m3 TWA
Malaysia: 50 ppm TWA; 242 mg/m3 TWA
Netherlands: 10 ppm MAC; 50 mg/m3 MAC
Russia: 50 mg/m3 TWA
Spain: 50 ppm VLA-ED; 246 mg/m3 VLA-ED
Spain: 100 ppm VLA-EC; 492 mg/m3 VLA-EC

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:
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: colorless
Odor: none reported
pH: Not available.
Vapor Pressure: < 1 mm Hg @ 20 deg C
Viscosity: Not available.
Boiling Point: 170 deg C @ 5.00 mmHg
Freezing/Melting Point: Not available.
Autoignition Temperature: 514 deg C ( 957.20 deg F)
Flash Point: 52 deg C ( 125.60 deg F)
Explosion Limits, lower: 1.1 vol %
Explosion Limits, upper: 5.3 vol %
Decomposition Temperature:
Solubility in water: insoluble
Specific Gravity/Density: 0.8900 g/cm3
Molecular Formula: C9H10
Molecular Weight: 118.18

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

Chemical Stability:
Stable under normal temperatures and pressures. May undergo
autopolymerization.
Conditions to Avoid:
Incompatible materials, ignition sources, excess heat, strong
oxidants.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong acids.
Hazardous Decomposition Products:
Carbon monoxide, irritating and toxic fumes and gases, carbon
dioxide.
Hazardous Polymerization: Will not occur.

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

RTECS#:
CAS# 25013-15-4: WL5075000
LD50/LC50:
CAS# 25013-15-4: Draize test, rabbit, eye: 90 mg Mild; Draize test,
rabbit, skin: 100% Moderate; Inhalation, mouse: LC50 = 3020
mg/m3/4H; Inhalation, mouse: LC50 = 29500 mg/m3/4H; Oral, mouse:
LD50 = 3160 mg/kg; Oral, rat: LD50 = 2255 mg/kg.
Carcinogenicity:
Vinyl toluene -
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: VINYLTOLUENES, INHIBITED
Hazard Class: 3
UN Number: 2618
Packing Group: III
IMO
Shipping Name: VINYLTOLUENES, INHIBITED
Hazard Class: 3.3
UN Number: 2618
Packing Group: III
RID/ADR
Shipping Name: VINYLTOLUENES, INHIBITED
Hazard Class: 3
UN Number: 2618
Packing group: III

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
Risk Phrases:
R 10 Flammable.
R 20 Harmful by inhalation.
Safety Phrases:
S 9 Keep container in a well-ventilated place.
S 16 Keep away from sources of ignition - No
smoking.
S 24 Avoid contact with skin.
S 33 Take precautionary measures against static
discharges.
WGK (Water Danger/Protection)
CAS# 25013-15-4: No information available.
Canada
CAS# 25013-15-4 is listed on Canada's DSL List.
CAS# 25013-15-4 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 25013-15-4 is listed on the TSCA inventory.

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

MSDS Creation Date: 8/24/1997 Revision #6 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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