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MSDS 
:
 Metaldehyde
CAS 
:
 108-62-3
SYNONYMS 
:
 Acetaldehyde tetramer
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 108-62-3 |Metaldehyde | 99 | 203-600-2 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: XN
Risk Phrases: 10 22

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

EMERGENCY OVERVIEW
Flammable. Harmful if swallowed.

Potential Health Effects
Eye:
May cause eye irritation. May cause conjunctivitis.
Skin:
May cause skin irritation. Prolonged and/or repeated contact may
cause irritation and/or dermatitis. May be harmful if absorbed
through the skin.
Ingestion:
Harmful if swallowed. May cause liver and kidney damage. May cause
nausea, vomiting, abdominal pain, and increased salivation.
Inhalation:
Causes severe respiratory tract irritation. May be harmful if
inhaled.
Chronic:
May cause liver and kidney damage.

**** 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 water for at least 15 minutes while
removing contaminated clothing and shoes. Get medical aid if
irritation develops or persists.
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:
Remove from exposure and move to fresh air immediately. If breathing
is difficult, give oxygen. Get medical aid if cough or other symptoms
appear. Do NOT use mouth-to-mouth resuscitation. If breathing has
ceased apply artificial respiration using oxygen and a suitable
mechanical device such as a bag and a mask.
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. Will burn if involved in a fire. Dust can be an
explosion hazard when exposed to heat or flame. This material in
sufficient quantity and reduced particle size is capable of creating
a dust explosion. Flammable solid. May burn rapidly with flare
burning effect. May re-ignite after fire is extinguished.
Extinguishing Media:
In case of fire, use water, dry chemical, chemical foam, or
alcohol-resistant foam. Contact professional fire-fighters
immediately. Cool containers with flooding quantities of water until
well after fire is out.

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

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective
Equipment section. Sweep up or absorb material, then place into a
suitable clean, dry, closed container for disposal. Scoop up with a
nonsparking tool, then place into a suitable container for disposal.
Avoid generating dusty conditions. Remove all sources of ignition.
Provide ventilation.

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

Handling:
Wash thoroughly after handling. Minimize dust generation and
accumulation. 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 sources of ignition. Store in a cool, dry,
well-ventilated area away from incompatible substances.

**** 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# 108-62-3:

Russia: 0.2 mg/m3 TWA

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: Crystalline powder
Color: white
Odor: Mild odor
pH: Not available.
Vapor Pressure: 1.3 mbar @ 28.5
Viscosity: Not available.
Boiling Point: Sublimes @ 110-200C
Freezing/Melting Point: 246 deg C
Autoignition Temperature: 580 deg C ( 1,076.00 deg F)
Flash Point: 97 deg F ( 36.11 deg C)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Insoluble.
Specific Gravity/Density: 1.27
Molecular Formula: C8H16O4
Molecular Weight: 176.21

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

Chemical Stability:
Stable under normal temperatures and pressures. Depolymerization
occurs slowly on heating, and rapidly above 80 deg C.
Conditions to Avoid:
Incompatible materials, ignition sources, dust generation, excess
heat.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported.

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

RTECS#:
CAS# 108-62-3: XF9900000
LD50/LC50:
CAS# 108-62-3: Inhalation, mouse: LC50 = 348 mg/m3/2H; Inhalation,
rat: LC50 = 203 mg/m3/4H; Oral, mouse: LD50 = 200 mg/kg; Oral,
rabbit: LD50 = 290 mg/kg; Oral, rat: LD50 = 227 mg/kg; Skin, rat:
LD50 = 2275 mg/kg.
Carcinogenicity:
Metaldehyde -
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: METALDEHYDE
Hazard Class: 4.1
UN Number: 1332
Packing Group: III
IMO
Shipping Name: METALDEHYDE
Hazard Class: 4.1
UN Number: 1332
Packing Group: III
RID/ADR
Shipping Name: METALDEHYDE
Hazard Class: 4.1
UN Number: 1332
Packing group: III

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
Risk Phrases:
R 10 Flammable.
R 22 Harmful if swallowed.
Safety Phrases:
S 13 Keep away from food, drink and animal feeding
stuffs.
S 25 Avoid contact with eyes.
S 46 If swallowed, seek medical advice immediately
and show this container or label.
WGK (Water Danger/Protection)
CAS# 108-62-3: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 108-62-3 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 108-62-3 is not listed on the TSCA inventory.
It is for research and development use only.

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

MSDS Creation Date: 9/02/1997 Revision #4 Date: 9/30/2004

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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