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MSDS 
:
 Thallium (I) Chloride, 99.999%
CAS 
:
 7791-12-0
SYNONYMS 
:
 Thallous Chloride; Thallium Monochloride.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 7791-12-0 |Thallium (I) Chloride | 99.999% | 232-241-4 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: T+
Risk Phrases: 26/28 33

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

EMERGENCY OVERVIEW
Very toxic by inhalation and if swallowed. Danger of cumulative
effects.Light sensitive.

Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation. Excessive drying of the skin may result
from repeated or prolonged contact.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and
diarrhea. May cause alopecia (loss of hair). Ingested thallium
compounds are extremely toxic, causing convulsions, coma,
conjunctivitis, runny nose, polyneuritis, motor and sensory
peripheral neuropathy, encephalopathy, arterial hypertension, rapid
heart rate, and skin eruptions
Inhalation:
May cause severe irritation of the respiratory tract with sore
throat, coughing, shortness of breath and delayed lung edema.
Chronic:
Prolonged absorption may cause anorexia, weight loss, vomiting, mild
diarrhea, skin rash, alopecia and anemia.

**** 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. 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 immediately.
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. Do NOT use mouth-to-mouth
resuscitation.
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. During a fire, irritating and highly toxic gases
may be generated by thermal decomposition or combustion.
Non-combustible, substance itself does not burn but may decompose
upon heating to produce irritating, corrosive and/or toxic fumes.
Extinguishing Media:
Substance is noncombustible; use agent most appropriate to
extinguish surrounding fire. Use water fog, dry chemical, carbon
dioxide, or regular foam.

**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal
container. Clean up spills immediately, observing precautions in the
Protective Equipment section. Avoid generating dusty conditions.
Provide ventilation.

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

Handling:
Wash thoroughly after handling. Use only in a well-ventilated area.
Minimize dust generation and accumulation. Avoid contact with eyes,
skin, and clothing. Keep container tightly closed. Avoid ingestion
and inhalation.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
Store protected from light.

**** 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
ventilation to keep airborne concentrations low.
Exposure Limits
CAS# 7791-12-0:


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. 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: Powder
Color: white
Odor: Not available.
pH: Not available.
Vapor Pressure: 10 mm Hg @ 517 deg C
Viscosity: Not available.
Boiling Point: 720 deg C
Freezing/Melting Point: 430 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density: 7.00 g/cm3
Molecular Formula: ClTl
Molecular Weight: 239.82

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

Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Dust generation, excess heat, combustible materials.
Incompatibilities with Other Materials:
Strong reducing agents, strong acids.
Hazardous Decomposition Products:
Chlorine, thallium fumes.
Hazardous Polymerization: Has not been reported

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

RTECS#:
CAS# 7791-12-0: XG4200000
LD50/LC50:
CAS# 7791-12-0: Oral, mouse: LD50 = 24 mg/kg; Oral, mouse: LD50 =
23.7 mg/kg.
Carcinogenicity:
Thallium (I) Chloride -
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: THALLIUM COMPOUND, N.O.S.
Hazard Class: 6.1
UN Number: 1707
Packing Group: II
IMO
Shipping Name: THALLIUM COMPOUND, N.O.S.
Hazard Class: 6.1
UN Number: 1707
Packing Group: II
RID/ADR
Shipping Name: THALLIUM COMPOUND, N.O.S.
Hazard Class: 6.1
UN Number: 1707
Packing group: II
USA RQ: CAS# 7791-12-0: 100 lb final RQ; 45.4 kg final RQ

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T+
Risk Phrases:
R 26/28 Very toxic by inhalation and if swallowed.
R 33 Danger of cumulative effects.
Safety Phrases:
S 13 Keep away from food, drink and animal feeding
stuffs.
S 28A After contact with skin, wash immediately with
plenty of water.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 7791-12-0: No information available.
Canada
CAS# 7791-12-0 is listed on Canada's DSL List.
CAS# 7791-12-0 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7791-12-0 is listed on the TSCA inventory.

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

MSDS Creation Date: 9/19/1997 Revision #4 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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