**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****
+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 622-97-9 |p-Methylstyrene | 98 | 210-762-8 |
|----------------|--------------------------------------|----------|-----------|
| 1020-31-1 |3,5-Di-tert-butylpyrocatechol | 0.1 | 213-816-9 |
|----------------|--------------------------------------|----------|-----------|
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: None Listed.
Risk Phrases: 10
**** SECTION 3 - HAZARDS IDENTIFICATION ****
EMERGENCY OVERVIEW
Flammable.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. May cause dermatitis. Contact with the skin
defats the skin.
Ingestion:
May cause digestive tract disturbances.
Inhalation:
Causes respiratory tract irritation. May cause drowsiness,
unconsciousness, and central nervous system depression. May be
harmful if inhaled. Vapors may cause dizziness or suffocation.
Chronic:
Chronic inhalation may cause effects similar to those of acute
inhalation.
**** SECTION 4 - FIRST AID MEASURES ****
Eyes:
In case of contact, immediately flush eyes with plenty of water for
at least 15 minutes. Get medical aid.
Skin:
In case of contact, flush skin with plenty of water. Remove
contaminated clothing and shoes. Get medical aid if irritation
develops and persists. Wash clothing before reuse.
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:
If inhaled, remove to fresh air. 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:
Evacuate area and fight fire from a safe distance. 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. Use water spray to keep
fire-exposed containers cool. Flammable liquid and vapor. May be
ignited by heat, sparks, and flame. Fire or excessive heat may
result in violent rupture of the container due to bulk
polymerization. May accumulate static electricity.
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. Water may be ineffective. 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. Avoid runoff into storm sewers and
ditches which lead to waterways. 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. 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. Do not pressurize, cut, weld, braze, solder, drill,
grind, or expose empty containers to heat, sparks or open flames. Use
only with adequate ventilation. Keep away from heat, sparks and
flame. Avoid breathing vapor or mist. Pure vapor will be uninhibited
and may polymerize in vents or other confined spaces.
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. Isolate from oxidizing materials and acids.
Inhibitor level should be checked periodically.
**** 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# 622-97-9:
CAS# 1020-31-1:
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 chemical splash goggles.
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: strong odor - disagreeable odor
pH: Not available.
Vapor Pressure: 1.8 mm Hg @ 25 deg C
Viscosity: Not available.
Boiling Point: 170 - 175 deg C
Freezing/Melting Point: -34 deg C
Autoignition Temperature: 490 deg C ( 914.00 deg F)
Flash Point: 45 deg C ( 113.00 deg F)
Explosion Limits, lower: 0.1% @ 85C
Explosion Limits, upper: 11.0% @ 120C
Decomposition Temperature:
Solubility in water: Insoluble.
Specific Gravity/Density: .8960g/cm3
Molecular Formula: C9H10
Molecular Weight: 118.18
**** SECTION 10 - STABILITY AND REACTIVITY ****
Chemical Stability:
Stable. However, it may undergo explosive polymerization if
uninhibited.
Conditions to Avoid:
Ignition sources, excess heat.
Incompatibilities with Other Materials:
Strong oxidizing agents, acids, peroxides, aliphatic amines, caustics
(e.g. ammonia, ammonium hydroxide, calcium hydroxide, potassium
hydroxide, sodium hydroxide), polymerizing initiators, aluminum
chloride, alkanolamines, iron chlorides.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide.
Hazardous Polymerization: May occur.
**** SECTION 11 - TOXICOLOGICAL INFORMATION ****
RTECS#:
CAS# 622-97-9: WL5076000
CAS# 1020-31-1 unlisted.
CAS# 25013-15-4: WL5075000
LD50/LC50:
CAS# 622-97-9: Oral, mouse: LD50 = 1072 mg/kg; Oral, rat: LD50 =
2255 mg/kg; Skin, rabbit: LD50 = >5 mL/kg.
CAS# 1020-31-1.
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:
p-Methylstyrene -
Not listed by ACGIH, IARC, or NTP.
3,5-Di-tert-butylpyrocatechol -
Not listed by ACGIH, IARC, or NTP.
Vinyl toluene (mixed isomers) -
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: VINYLTOLUENE, 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: Not available.
Risk Phrases:
R 10 Flammable.
Safety Phrases:
S 16 Keep away from sources of ignition - No
smoking.
WGK (Water Danger/Protection)
CAS# 622-97-9: No information available.
CAS# 1020-31-1: No information available.
CAS# 25013-15-4: No information available.
Canada
CAS# 622-97-9 is listed on Canada's NDSL List.
CAS# 1020-31-1 is listed on Canada's NDSL List.
CAS# 25013-15-4 is listed on Canada's DSL List.
CAS# 622-97-9 is not listed on Canada's Ingredient Disclosure List.
CAS# 1020-31-1 is not listed on Canada's Ingredient Disclosure List.
CAS# 25013-15-4 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 622-97-9 is listed on the TSCA inventory.
CAS# 1020-31-1 is listed on the TSCA inventory.
CAS# 25013-15-4 is listed on the TSCA inventory.
**** SECTION 16 - ADDITIONAL INFORMATION ****
Text for R-phrases from Section 2
MSDS Creation Date: 9/02/1998 Revision #3 Date: 2/07/2003
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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