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MSDS 
:
 Potassium tert.-Butoxide, 95-99%
CAS 
:
 865-47-4
SYNONYMS 
:
 Potassium tert.-Butylate
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 865-47-4 |Potassium Tert-Butoxide | 95-99% | 212-740-3 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: F C
Risk Phrases: 14 34

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

EMERGENCY OVERVIEW
Reacts violently with water. Causes burns.Hygroscopic (absorbs
moisture from the air).Air sensitive.Corrosive.

Potential Health Effects
Eye:
May cause eye irritation and possible burns.
Skin:
May cause skin irritation and possible burns.
Ingestion:
May cause irritation of the digestive tract and possible burns.
Inhalation:
Dust is irritating to the respiratory tract. May cause respiratory
tract irritation. May cause burns to the respiratory tract.
Chronic:
Effects may be delayed.

**** SECTION 4 - FIRST AID MEASURES ****

Eyes:
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. 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.
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. Use water
spray to keep fire-exposed containers cool. Flammable solid.
Containers may explode when heated. May re-ignite after fire is
extinguished.
Extinguishing Media:
For large fires, use water spray or fog. Cool containers with
flooding quantities of water until well after fire is out. 'The
Merck Index,' Windholz, Budavari, Blumentti, and Otterbein, Twelfth
Edition, Merck and Company, Inc., Rahway, NJ 1999.

**** 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. Avoid generating dusty conditions. Remove all sources of
ignition. Place under an inert atmosphere. Clean up residual material
by washing area with a 2-5% solution of soda ash.

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

Handling:
Wash thoroughly after handling. Use only in a well-ventilated area.
Minimize dust generation and accumulation. Do not get in eyes, on
skin, or on clothing. Do not ingest or inhale.
Storage:
Store in a tightly closed container. 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
ventilation to keep airborne concentrations low.
Exposure Limits
CAS# 865-47-4:


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 to off-white
Odor: None reported.
pH: Not available.
Vapor Pressure: 1 mm Hg
Viscosity: Not available.
Boiling Point: 275 deg C @ 760.00mm Hg
Freezing/Melting Point: 256.00 - 258.00 deg C
Autoignition Temperature: 360 deg C ( 680.00 deg F)
Flash Point: 256 deg C ( 492.80 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: 256 deg C
Solubility in water: Not available.
Specific Gravity/Density:
Molecular Formula: C4H9OK
Molecular Weight: 112.21

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

Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Exposure to air, exposure to moist air or water.
Incompatibilities with Other Materials:
Acids, strong oxidizing agents, acetone, acetic acid.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide, oxides of potassium.
Hazardous Polymerization: Has not been reported.

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

RTECS#:
CAS# 865-47-4 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Potassium Tert-Butoxide -
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: ALKALI METAL ALCOHOLATES, SELF-HEATING, CORROSIVE,
N.O.S.*
Hazard Class: 4.2 (8)
UN Number: 3206
Packing Group: II
IMO
Shipping Name: ALKALI METAL ALCOHOLATES, SELF-HEATING, CORROSIVE,
N.O.S.
Hazard Class: 4.2 (8)
UN Number: 3206
Packing Group: II
RID/ADR
Shipping Name: ALKALI METAL ALCOHOLATES, SELF-HEATING, CORROSIVE,
N.O.S.
Hazard Class: 4.2
UN Number: 3206
Packing group: II

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: F C
Risk Phrases:
R 14 Reacts violently with water.
R 34 Causes burns.
Safety Phrases:
S 8 Keep container dry.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 43A In case of fire, use dry chemical (never use
water).
WGK (Water Danger/Protection)
CAS# 865-47-4: 1
Canada
CAS# 865-47-4 is listed on Canada's DSL List.
CAS# 865-47-4 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 865-47-4 is listed on the TSCA inventory.

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

MSDS Creation Date: 11/21/1997 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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