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MSDS 
:
 Dimethylzinc, 1.2M solution in toluene
CAS 
:
 108-88-3
SYNONYMS 
:
 None Known.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 108-88-3 |Toluene | 88 | 203-625-9 |
|----------------|--------------------------------------|----------|-----------|
| 544-97-8 |Dimethyl zinc | 12 | 208-884-1 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: F C N
Risk Phrases: 11 14 34 20 63 51/53 67

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

EMERGENCY OVERVIEW
Highly flammable. Reacts violently with water. Causes burns. Harmful
by inhalation. Possible risk of harm to the unborn child. Toxic to
aquatic organisms, may cause long-term adverse effects in the
aquatic environment. Vapours may cause drowsiness and
dizziness.Water-reactive.Air sensitive.

Potential Health Effects
Eye:
Causes eye burns.
Skin:
Causes skin burns. May be absorbed through the skin. Not expected to
cause an allergic skin reaction.
Ingestion:
Causes gastrointestinal tract burns. May cause effects similar to
those for inhalation exposure. Aspiration of material into the lungs
may cause chemical pneumonitis, which may be fatal. May cause central
nervous system depression.
Inhalation:
Harmful if inhaled. Causes chemical burns to the respiratory tract.
Inhalation of high concentrations (>200 ppm) of toluene are clearly
associated with CNS encephalopathy, headache, depression, lassitude
(weakness, exhaustion), impaired coordination, transient memory
loss, and impaired reaction time.
Chronic:
Prolonged or repeated skin contact may cause defatting and
dermatitis. Repeated exposure in combination with constant, loud
noise can produce hearing loss and dizziness. Chronic hydrocarbon
abuse (for example, sniffing glue or light hydrocarbons such as
contained in this material) has been associated with irregular heart
rhythms and potential cardiac arrest. Toluene abuse has been linked
with kidney disease, as evidenced by blood, protein, & pus in the
urine, accompanied by elevated serum creatinine, decreased urinary
output, & metabolic & renal tubular acidosis. Although kidney
toxicity has not been common in cases of occupational toluene
exposure, there has been at least one report of renal toxicity
following a 40-year occupational toluene exposure. Toluene does not
cause the severe injury to the bone marrow that is characteristic of
benzene poisoning.

**** 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
immediately.
Skin:
Get medical aid immediately. Immediately flush skin with plenty of
water for at least 15 minutes while removing contaminated clothing
and shoes.
Ingestion:
Do not induce vomiting. Get medical aid immediately. Potential for
aspiration if swallowed. Get medical aid immediately. Do not induce
vomiting unless directed to do so by medical personnel. Never give
anything by mouth to an unconscious person.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh
air immediately. If not breathing, give artificial respiration. If
breathing is difficult, give oxygen.
Notes to Physician:
Treat symptomatically and supportively. Causes cardiac sensitization
to endogenous catelcholamines which may lead to cardiac arrhythmias.
Do NOT use adrenergic agents such as epinephrine or
pseudoepinephrine.

**** 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. Water runoff can cause environmental damage. Dike
and collect water used to fight fire. Will burn if involved in a
fire. Water Reactive. Material will react with water and may release
a flammable and/or toxic gas. Flammable 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. This liquid floats on water and may travel to a
source of ignition and spread fire. May accumulate static
electricity.
Extinguishing Media:
Use dry chemical to fight fire. DO NOT USE 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.
Provide ventilation. Use only non-sparking tools and equipment.
Control runoff and isolate discharged material for proper disposal.
Use water spray to cool and disperse vapors and protect personnel.

**** 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. Do not breathe dust, vapor, mist, or gas. Do not get in
eyes, on skin, or on clothing. Empty containers retain product
residue, (liquid and/or vapor), and can be dangerous. Keep container
tightly closed. Use only in a chemical fume hood. Do not pressurize,
cut, weld, braze, solder, drill, grind, or expose empty containers to
heat, sparks or open flames. Keep away from heat, sparks and flame.
Storage:
Keep away from sources of ignition. Store in a cool, dry place. Do
not store in direct sunlight. Store in a tightly closed container.
Flammables-area. Corrosives area. Water free area. Store under
nitrogen.

**** 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# 108-88-3:
United Kingdom, WEL - TWA: 50 ppm TWA; 191 mg/m3 TWA
United Kingdom, WEL - STEL: 150 ppm STEL; 574 mg/m3 STEL
United States OSHA: 200 ppm TWA; 300 ppm Ceiling
Belgium - TWA: 50 ppm VLE; 191 mg/m3 VLE
France - VME: 100 ppm VME; 375 mg/m3 VME
France - VLE: 150 ppm VLE; 550 mg/m3 VLE
Germany: 50 ppm TWA; 190 mg/m3 TWA
Germany: Skin absorber
Japan: 50 ppm OEL; 188 mg/m3 OEL
Malaysia: 50 ppm TWA; 188 mg/m3 TWA
Netherlands: 40 ppm MAC; 150 mg/m3 MAC
Russia: 50 mg/m3 TWA
Spain: 50 ppm VLA-ED; 191 mg/m3 VLA-ED
CAS# 544-97-8:


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: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: >120 deg C
Solubility in water: vigorous reaction
Specific Gravity/Density: 0.930
Molecular Formula: C2H6Zn
Molecular Weight: 95.45

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

Chemical Stability:
Air sensitive. Reacts violently with water.
Conditions to Avoid:
Ignition sources, exposure to air, excess heat, exposure to moist air
or water, confined spaces.
Incompatibilities with Other Materials:
Alcohols, acids, water, oxygen, organic halides, oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide, toxic fumes of zinc oxide, zinc.
Hazardous Polymerization: Has not been reported

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

RTECS#:
CAS# 108-88-3: XS5250000
CAS# 544-97-8 unlisted.
LD50/LC50:
CAS# 108-88-3: Draize test, rabbit, eye: 870 ug Mild; Draize test,
rabbit, eye: 2 mg/24H Severe; Draize test, rabbit, skin: 435 mg Mild;
Draize test, rabbit, skin: 500 mg Moderate; Draize test, rabbit,
skin: 20 mg/24H Moderate; Inhalation, mouse: LC50 = 400 ppm/24H;
Inhalation, mouse: LC50 = 30000 mg/m3/2H; Inhalation, mouse: LC50 =
19900 mg/m3/7H; Inhalation, mouse: LC50 = 10000 mg/m3; Inhalation,
rat: LC50 = 49 gm/m3/4H; Oral, rat: LD50 = 636 mg/kg; Skin, rabbit:
LD50 = 14100 uL/kg.
CAS# 544-97-8.
Carcinogenicity:
Toluene -
Not listed by ACGIH, IARC, or NTP.
Dimethyl zinc -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

**** SECTION 12 - ECOLOGICAL INFORMATION ****

Ecotoxicity:
Bluegill LC50=17 mg/L/24H
Shrimp LC50=4.3 ppm/96H
Fathead minnow
LC50=36.2 mg/L/96H
Sunfish (fresh water) TLm=1180 mg/L/96H

**** SECTION 13 - DISPOSAL CONSIDERATIONS ****

Dispose of in a manner consistent with federal, state, and local regulations.

**** SECTION 14 - TRANSPORT INFORMATION ****

IATA
Shipping Name: ORGANOMETALLIC COMPOUND DISPERSION, WATER-REACTIVE
, FLAMMABLE, N.O.S.*
Hazard Class: 4.3 (3)
UN Number: 3207
Packing Group: I
IMO
Shipping Name: ORGANOMETALLIC COMPOUND DISPERSION, WATER-REACTIVE
, FLAMMABLE, N.O.S.
Hazard Class: 4.3 (3)
UN Number: 3207
Packing Group: I
RID/ADR
Shipping Name: ORGANOMETALLIC COMPOUND DISPERSION, WATER-REACTIVE
, FLAMMABLE, N.O.S.
Hazard Class: 4.3 (3)
UN Number: 3207
Packing group: I
USA RQ: CAS# 108-88-3: 1000 lb final RQ; 454 kg final RQ

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: F C N
Risk Phrases:
R 11 Highly flammable.
R 14 Reacts violently with water.
R 20 Harmful by inhalation.
R 34 Causes burns.
R 51/53 Toxic to aquatic organisms, may cause
long-term adverse effects in the aquatic environment.
R 63 Possible risk of harm to the unborn child.
R 67 Vapours may cause drowsiness and dizziness.
Safety Phrases:
S 6A Keep under nitrogen.
S 16 Keep away from sources of ignition - No
smoking.
S 24/25 Avoid contact with skin and eyes.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
S 43A In case of fire, use dry chemical (never use
water).
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# 108-88-3: 2
CAS# 544-97-8: No information available.
Canada
CAS# 108-88-3 is listed on Canada's DSL List.
CAS# 544-97-8 is listed on Canada's NDSL List.
CAS# 108-88-3 is listed on Canada's Ingredient Disclosure List.
CAS# 544-97-8 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 108-88-3 is listed on the TSCA inventory.
CAS# 544-97-8 is listed on the TSCA inventory.

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

Text for R-phrases from Section 2
R 11 Highly flammable.
R 20 Harmful by inhalation.
MSDS Creation Date: 9/20/2004 Revision #1 Date: 11/17/2004

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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