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MSDS 
:
 Tolylene-2,4-Diisocyanate, Tech., 80%
CAS 
:
 584-84-9
SYNONYMS 
:
 4-Methyl-1,3-phenylene diisocyanate; TDI; Toluene-2,4-diisocyanate.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 584-84-9 |Tolylene-2,4-diisocyanate | 80 | 209-544-5 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: T+
Risk Phrases: 26 36/37/38 40 42/43 52/53

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

EMERGENCY OVERVIEW
Very toxic by inhalation. Irritating to eyes, respiratory system and
skin. Possible risks of irreversible effects. May cause sensitization
by inhalation and skin contact. Harmful to aquatic organisms; may
cause long-term adverse effects in the aquatic environment.Cancer
suspect agent.Lachrymator (substance which increases the flow of
tears).Light sensitive.Water-Reactive.

Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. May cause skin sensitization, an allergic
reaction, which becomes evident upon re-exposure to this material.
Ingestion:
Causes gastrointestinal tract irritation.
Inhalation:
May be fatal if inhaled. Causes respiratory tract irritation.
Chronic:
Chronic overexposure to isocyanates has been reported to cause lung
damage, including decreased lung fuction, which may be permanent.

**** 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:
Flush skin with plenty of soap and water for at least 15 minutes
while removing contaminated clothing and shoes. Wash clothing before
reuse. Get medical aid if symptoms occur.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical
aid immediately. Do NOT induce vomiting. If conscious and alert,
rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation:
Get medical aid immediately. Remove from exposure to fresh air
immediately. If not breathing, give artificial respiration. If
breathing is difficult, give oxygen. Do NOT use mouth-to-mouth
resuscitation.
Notes to Physician:
Absorption of this product into the body may cause cyanosis (bluish
discoloration of skin due to deficient oxygenation of the blood).
Moderate degrees of cyanosis need to be treated only by supportive
measures: bed rest and oxygen inhalation.
Antidote:
Always have a cyanide antidote kit on hand when working with cyanide
compounds. Get medical advice to use.

**** 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. 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. Containers may explode in
the heat of a fire. Vapors may be heavier than air. They can spread
along the ground and collect in low or confined areas.
Extinguishing Media:
For large fires, use water spray or fog. Do NOT get water inside
containers. Do NOT use straight streams of water. Cool containers
with flooding quantities of water until well after fire is out. For
small fires, use dry chemical or carbon dioxide.

**** 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. Provide ventilation. Do not expose
spill to water. Do not get water inside containers. Approach spill
from upwind.

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

Handling:
Remove contaminated clothing and wash before reuse. Use only in a
well-ventilated area. Avoid breathing dust, vapor, mist, or gas. Do
not allow contact with water.
Storage:
Store in a cool, dry, well-ventilated area away from incompatible
substances. Store protected from moisture. Store under an inert
atmosphere.

**** 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 exhaust ventilation to keep airborne concentrations below the
permissible exposure limits.
Personal Protective Equipment

Eyes:
Wear chemical goggles.
Skin:
Wear appropriate protective gloves and clothing to
prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin
exposure.
Respirators:
Wear a NIOSH/MSHA or European Standard EN 149
approved full-facepiece airline respirator in the
positive pressure mode with emergency escape
provisions.

**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****

Physical State: Liquid
Appearance: clear to yellow
Odor: pungent odor - sharp odor
pH: Not available.
Vapor Pressure: 1 mm Hg @ 80 deg C
Viscosity: Not available.
Boiling Point: 484 deg F
Freezing/Melting Point: 19.5-21.5 deg C
Autoignition Temperature: Not available.
Flash Point: 121 deg C ( 249.80 deg F)
Explosion Limits, lower: 0.9 vol%
Explosion Limits, upper: 9.5 vol%
Decomposition Temperature:
Solubility in water: Reacts.
Specific Gravity/Density: 1.2200g/cm3
Molecular Formula: C9H6N2O2
Molecular Weight: 174.16

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

Chemical Stability:
Stable under normal temperatures and pressures. Hazardous
polymerization and/or hazardous decomposition may occur on contact
with water or on exposure to heat.
Conditions to Avoid:
Light, contact with water, heat.
Incompatibilities with Other Materials:
Water, oxidizing agents, bases, alcohols, amines, organic acids,
organometallic compounds.
Hazardous Decomposition Products:
Hydrogen cyanide, nitrogen oxides, carbon monoxide, carbon dioxide.
Hazardous Polymerization: May occur.

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

RTECS#:
CAS# 584-84-9: CZ6300000
LD50/LC50:
CAS# 584-84-9: Draize test, rabbit, eye: 100 mg Severe; Draize test,
rabbit, skin: 500 mg/24H Moderate; Inhalation, mouse: LC50 = 10
ppm/4H; Inhalation, rabbit: LC50 = 11 ppm/4H; Inhalation, rat: LC50 =
14 ppm/4H; Oral, rat: LD50 = 5800 mg/kg; Skin, rabbit: LD50 = >16
mL/kg.
Carcinogenicity:
Tolylene-2,4-diisocyanate -
ACGIH: A4 - Not Classifiable as a Human Carcinogen
NIOSH: occupational carcinogen
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 ****

IATA
Shipping Name: TOLUENE DIISOCYANATE
Hazard Class: 6.1
UN Number: 2078
Packing Group: II
IMO
Shipping Name: TOLUENE DIISOCYANATE
Hazard Class: 6.1
UN Number: 2078
Packing Group: II
RID/ADR
Shipping Name: TOLUENE DIISOCYANATE
Dangerous Goods Code: 6.1(19B)
UN Number: 2078

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T+
Risk Phrases:
R 26 Very toxic by inhalation.
R 36/37/38 Irritating to eyes, respiratory system
and skin.
R 40 Possible risks of irreversible effects.
R 42/43 May cause sensitization by inhalation and
skin contact.
R 52/53 Harmful to aquatic organisms; may cause
long-term adverse effects in the aquatic environment.
Safety Phrases:
S 23 Do not inhale gas/fumes/vapour/spray.
S 36/37 Wear suitable protective clothing and
gloves.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
S 61 Avoid release to the environment. Refer to
special instructions/Safety data sheets.
WGK (Water Danger/Protection)
CAS# 584-84-9: 2
United Kingdom Occupational Exposure Limits

Canada
CAS# 584-84-9 is listed on Canada's DSL List.
CAS# 584-84-9 is listed on Canada's Ingredient Disclosure List.
Exposure Limits
CAS# 584-84-9: OEL-ARAB Republic of Egypt:TWA 0.02 ppm (0.14 mg/m3)
OEL-BELGIUM:TWA 0.005 ppm (0.036 mg/m3);STEL 0.02 ppm
OEL-CZECHOSLOVAKIA:TWA 0.07 mg/m3;STEL 0.14 mg/m3
OEL-DENMARK:TWA 0.005 ppm (0.035 mg/m3);Carcinoge
OEL-FRANCE:TWA 0.01 ppm (0.08 mg/m3);STEL 0.02 pp (0.16 mg/m3)
OEL-GERMANY:TWA 0.01 ppm (0.07 mg/m3)
OEL-HUNGARY:STEL 0.04 mg/m3
OEL-JAPAN:TWA 0.02 ppm (0.14 mg/m3)
OEL-THE NETHERLANDS:TWA 0.02 ppm (0.14 mg/m3);Ski
OEL-THE PHILIPPINES:TWA 0.02 ppm (0.14 mg/m3)
OEL-RUSSIA:STEL 0.05 mg/m3
OEL-SWEDEN:TWA 0.005 ppm (0.04 mg/m3);STEL 0.01 ppm (0.07 mg/m3)
OEL-SWITZERLAND:TWA 0.005 ppm (0.04 mg/m3);STEL 0.01 ppm
OEL-THAILAND:TWA 0.02 ppm (0.14 mg/m3)
OEL-TURKEY:TWA 0.02 ppm (0.14 mg/m3)
OEL-UNITED KINGDOM:TWA 0.02 mg/m3;STEL 0.07 mg/m3
OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGI TLV
US FEDERAL
TSCA
CAS# 584-84-9 is listed on the TSCA inventory.

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

MSDS Creation Date: 2/13/1998 Revision #4 Date: 3/14/2001

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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