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MSDS 
:
 Potassium methoxide, 0.1n solution in tolu ene/methanol
CAS 
:
 865-33-8
SYNONYMS 
:
 
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 865-33-8 |Potassium methoxide, 0.1 N solution in| | 212-736-1 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: T F C
Risk Phrases: 11 23/25 34

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

EMERGENCY OVERVIEW
Highly flammable. Toxic by inhalation and if swallowed. Causes
burns.Corrosive.Flammable liquid.Moisture sensitive.

Potential Health Effects
Eye:
Causes eye burns.
Skin:
Causes skin burns.
Ingestion:
May be fatal or cause blindness if swallowed. May cause severe and
permanent damage to the digestive tract. Poison by ingestion. Causes
gastrointestinal tract burns. May cause liver and kidney damage. May
cause central nervous system depression, characterized by excitement,
followed by headache, dizziness, drowsiness, and nausea. Advanced
stages may cause collapse, unconsciousness, coma and possible death
due to respiratory failure. May cause cardiac disturbances.
Aspiration of material into the lungs may cause chemical
pneumonitis, which may be fatal.
Inhalation:
Harmful if inhaled. Inhalation of high concentrations may cause
central nervous system effects characterized by nausea, headache,
dizziness, unconsciousness and coma. May cause irritation of the
respiratory tract with burning pain in the nose and throat, coughing,
wheezing, shortness of breath and pulmonary edema. Causes chemical
burns to the respiratory tract. May cause abdominal pain, nausea,
vomiting, and inflammation of the gums and mouth. Vapors may cause
dizziness or suffocation.
Chronic:
Chronic inhalation and ingestion may cause effects similar to those
of acute inhalation and ingestion.

**** 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. Do NOT allow victim to rub eyes or keep eyes closed.
Extensive irrigation with water is required (at least 30 minutes).
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. Destroy contaminated shoes.
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 breathing is difficult, give oxygen. 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:
Antidote:
None reported.

**** 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. During a
fire, irritating and highly toxic gases may be generated by thermal
decomposition or combustion. Will burn if involved in a fire. Use
water spray to keep fire-exposed containers cool. Containers may
explode in the heat of a fire. Dust can be an explosion hazard when
exposed to heat or flame. Flammable liquid and vapor.
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 WATER! 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. Clean up spills immediately,
observing precautions in the Protective Equipment section. 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:
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. Keep away from heat,
sparks and flame. Do not ingest or inhale. Use with adequate
ventilation. Use only in a chemical fume hood. Discard contaminated
shoes. 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. Keep container closed when not in use. 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:
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# 865-33-8:


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:
A respiratory protection program that meets OSHA's 29
CFR 1910.134 and ANSI Z88.2 requirements or European
Standard EN 149 must be followed whenever workplace
conditions warrant respirator use. 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: Not available.
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: 7 deg C ( 44.60 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: may decompose
Specific Gravity/Density: .8590g/cm3
Molecular Formula: CH3KO
Molecular Weight: 70.13

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

Chemical Stability:
Stable under normal temperatures and pressures. Absorbs carbon
dioxide from the air.
Conditions to Avoid:
High temperatures, incompatible materials, ignition sources, excess
heat, exposure to moist air or water, oxidizers.
Incompatibilities with Other Materials:
Acids (mineral, non-oxidizing, e.g. hydrochloric acid, hydrofluoric
acid, muriatic acid, phosphoric acid), acids (mineral, oxidizing,
e.g. chromic acid, hypochlorous acid, nitric acid, sulfuric acid),
acids (organic, e.g. acetic acid, benzoic acid, formic acid,
methanoic acid, oxalic acid), azo, diazo, and hydrazines (e.g.
dimethyl hydrazine, hydrazine, methyl hydrazine), isocyanates (e.g.
methyl isocyanate), metals (alkali and alkaline, e.g. cesium,
potassium, sodium), nitrides (e.g. potassium nitride, sodium
nitride), peroxides and hydroperoxides (organic, e.g. acetyl
peroxide, benzoyl peroxide, butyl peroxide, methyl ethyl ketone
peroxide), epoxides (e.g. butyl glycidyl ether), oxidizing agents
(strong, e.g. bromine, hydrogen peroxide, nitrogen dioxide,
potassium nitrate), reducing agents (strong, e.g. aluminum carbide,
chlorosilane, hydrogen phosphide, lithium hydride), water reactive
substances (e.g. acetic anyhdride, alkyl aluminum chloride, calcium
carbide, ethyl dichlorosilane).
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported.

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

RTECS#:
CAS# 865-33-8 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Potassium methoxide, 0.1 N solution in toluene/methanol -
Not listed by ACGIH, IARC, or NTP.

**** 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: FLAMMABLE LIQUID, TOXIC, N.O.S.*
Hazard Class: 3 (6.1)
UN Number: 1992
Packing Group: II
IMO
Shipping Name: FLAMMABLE LIQUID, TOXIC, N.O.S.
Hazard Class: 3.2 (6.1)
UN Number: 1992
Packing Group: II
RID/ADR
Shipping Name: FLAMMABLE LIQUID, TOXIC, N.O.S.
Hazard Class: 3
UN Number: 1992
Packing group: II

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T F C
Risk Phrases:
R 11 Highly flammable.
R 23/25 Toxic by inhalation and if swallowed.
R 34 Causes burns.
Safety Phrases:
S 9 Keep container in a well-ventilated place.
S 16 Keep away from sources of ignition - No
smoking.
S 25 Avoid contact with eyes.
S 28A After contact with skin, wash immediately with
plenty of water.
S 33 Take precautionary measures against static
discharges.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
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# 865-33-8: 1
Canada
CAS# 865-33-8 is listed on Canada's NDSL List.
CAS# 865-33-8 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 865-33-8 is listed on the TSCA inventory.

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

MSDS Creation Date: 2/22/1999 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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