**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****
+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 108-67-8 |1,3,5-trimethylbenzene | ca. 100 | 203-604-4 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: XI F N
Risk Phrases: 10 37 51/53
**** SECTION 3 - HAZARDS IDENTIFICATION ****
EMERGENCY OVERVIEW
Flammable. Irritating to respiratory system. Toxic to aquatic
organisms, may cause long-term adverse effects in the aquatic
environment.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
May cause skin irritation. Excessive drying of the skin may result
from repeated or prolonged contact.
Ingestion:
May cause irritation of the digestive tract.
Inhalation:
Causes respiratory tract irritation. May cause anemia. May cause
drowsiness, unconsciousness, and central nervous system depression.
Vapors may cause dizziness or suffocation. May cause asthma-like
symptoms and sleepiness.
Chronic:
Prolonged or repeated skin contact may cause irritation. Chronic
inhalation may cause effects similar to those of acute inhalation.
**** 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.
Skin:
Get medical aid if irritation develops or persists. Wash clothing
before reuse. Flush skin with plenty of soap and water.
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.
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 may form an explosive mixture with air.
Vapors can travel to a source of ignition and flash back. Will burn
if involved in a fire. Flammable Liquid. Can release vapors that
form explosive mixtures at temperatures above the flashpoint. 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:
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. 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. 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:
Wash thoroughly after handling. 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.
**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits
CAS# 108-67-8:
United Kingdom, OES - TWA: (listed as trimethyl benzene): 25 ppm
125 mg/m3 TWA
Belgium - TWA: (listed as trimethyl benzene): 20 ppm VLE; 120 mg/
VLE
France - VME: (listed as trimethyl benzene): 25 ppm VME; 125 mg/m
VME
Germany: 20 ppm TWA; 100 mg/m3 TWA
Japan: 25 ppm OEL; 120 mg/m3 OEL
Malaysia: (listed as trimethyl benzene): 25 ppm TWA; 123 mg/m3 TW
Netherlands: 20 ppm MAC; 100 mg/m3 MAC
Russia: 10 mg/m3 TWA
Spain: 20 ppm VLA-ED; 100 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. Always use
a NIOSH or European Standard EN 149 approved
respirator when necessary.
**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****
Physical State: Liquid
Color: colorless
Odor: Peculiar aromatic
pH: Not available.
Vapor Pressure: 0.330 kPa @20C
Viscosity: Not available.
Boiling Point: 163 - 166 deg C @ 760.00mm Hg
Freezing/Melting Point: -45 deg C
Autoignition Temperature: 550 deg C ( 1,022.00 deg F)
Flash Point: 44 deg C ( 111.20 deg F)
Explosion Limits, lower: 1.00 vol %
Explosion Limits, upper: 6.00 vol %
Decomposition Temperature:
Solubility in water: miscible with alcohol, benzene and ether
Specific Gravity/Density: .8640g/cm3
Molecular Formula: C9H12
Molecular Weight: 120.19
**** SECTION 10 - STABILITY AND REACTIVITY ****
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, ignition sources, excess heat.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide.
Hazardous Polymerization: Will not occur.
**** SECTION 11 - TOXICOLOGICAL INFORMATION ****
RTECS#:
CAS# 108-67-8: OX6825000
LD50/LC50:
CAS# 108-67-8: Draize test, rabbit, eye: 500 mg/24H Mild; Draize
test, rabbit, skin: 20 mg/24H Moderate; Inhalation, rat: LC50 = 24000
mg/m3/4H; Oral, mouse: LD50 = 7000 mg/kg; Oral, rat: LD50 = 5000
mg/kg.
Carcinogenicity:
1,3,5-trimethylbenzene -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
**** SECTION 12 - ECOLOGICAL INFORMATION ****
Ecotoxicity:
Fish: Fathead Minnow: LC50 = 3.48 mg/L; 96 Hr; UnspecifiedFish:
Goldfish: LC50 = 12.5-13.0 mg/L; 96 Hr; UnspecifiedFish: Goldfish:
LC50 = 13.7 mg/L; 72 Hr; UnspecifiedWater flea Daphnia: EC50 = 50
mg/L; 72 Hr; Unspecified
**** SECTION 13 - DISPOSAL CONSIDERATIONS ****
Products which are considered hazardous for supply are classified as Special
Waste and the disposal of such chemicals is covered by regulations which may
vary according to location. Contact a specialist disposal company or the local
waste regulator for advice. Empty containers must be decontaminated before
returning for recycling.
**** SECTION 14 - TRANSPORT INFORMATION ****
IATA
Shipping Name: 1,3,5-TRIMETHYLBENZENE
Hazard Class: 3
UN Number: 2325
Packing Group: III
IMO
Shipping Name: 1,3,5-TRIMETHYLBENZENE
Hazard Class: 3
UN Number: 2325
Packing Group: III
RID/ADR
Shipping Name: 1,3,5-TRIMETHYLBENZENE
Hazard Class: 3
UN Number: 2325
Packing group: III
**** SECTION 15 - REGULATORY INFORMATION ****
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI F N
Risk Phrases:
R 10 Flammable.
R 37 Irritating to respiratory system.
R 51/53 Toxic to aquatic organisms, may cause
long-term adverse effects in the aquatic environment.
Safety Phrases:
S 61 Avoid release to the environment. Refer to
special instructions/safety data sheets.
WGK (Water Danger/Protection)
CAS# 108-67-8: 2
Canada
CAS# 108-67-8 is listed on Canada's DSL List.
CAS# 108-67-8 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 108-67-8 is listed on the TSCA inventory.
**** SECTION 16 - ADDITIONAL INFORMATION ****
MSDS Creation Date: 5/19/1999 Revision #2 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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