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MSDS 
:
 Tetrabutylammonium fluoride, 1M solution in THF, containing less than
CAS 
:
 109-99-9
SYNONYMS 
:
 TBAF.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 109-99-9 |Tetrahydrofuran | 69-74 | 203-726-8 |
|----------------|--------------------------------------|----------|-----------|
| 429-41-4 |Tetrabutylammonium fluoride | 26 | 207-057-2 |
|----------------|--------------------------------------|----------|-----------|
| 7732-18-5 |Water | <5 | 231-791-2 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: XI F
Risk Phrases: 11 19 36/37/38

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

EMERGENCY OVERVIEW
Highly flammable. May form explosive peroxides. Irritating to eyes,
respiratory system and skin.

Potential Health Effects
Eye:
Causes eye irritation. May cause blindness. May cause permanent
corneal opacification. May cause chemical conjunctivitis and corneal
damage.
Skin:
Causes skin irritation. May cause cyanosis of the extremities.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and
diarrhea. May cause cardiac disturbances. Ingestion of large amounts
may cause CNS depression.
Inhalation:
Causes respiratory tract irritation. Vapors may cause dizziness or
suffocation. May cause cardiac abnormalities. Inhalation at high
concentrations may cause CNS depression and asphixiation. May cause
burning sensation in the chest. May cause acute pulmonary edema,
asphyxia, chemical pneumonitis, and upper airway obstruction caused
by edema.
Chronic:
Effects may be delayed.

**** 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. Flush skin with plenty of water for at least 15
minutes while removing contaminated clothing and shoes. Wash clothing
before reuse.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical
aid immediately. Do NOT induce vomiting. If conscious and alert,
rinse mouth and drink 2-4 cupfuls of milk or water.
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:
Treat symptomatically and supportively.

**** 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. Flammable liquid and vapor. May form
explosive peroxides. Vapors may be heavier than air. They can
spread along the ground and collect in low or confined areas. Will be
easily ignited by heat, sparks or flame. May accelerate burning if
involved in a fire. Containers may explode when heated. Runoff from
fire control or dilution water may cause pollution.
Extinguishing Media:
Water may be ineffective. Do NOT use straight streams of water. For
large fires, use water spray, fog or regular foam. For small fires,
use dry chemical, carbon dioxide, water spray or regular foam. 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:
Absorb spill with inert material (e.g. vermiculite, sand or earth),
then place in suitable container. Avoid runoff into storm sewers and
ditches which lead to waterways. Clean up spills immediately,
observing precautions in the Protective Equipment section. Remove all
sources of ignition. Use a spark-proof tool. Isolate area and deny
entry. Provide ventilation. Place under an inert atmosphere. Do not
use combustible materials such as paper towels to clean up spill. A
vapor suppressing foam may be used to reduce vapors.

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

Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Use only in a well-ventilated area. Ground and
bond containers when transferring material. Use spark-proof tools and
explosion proof equipment. 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. Use
with adequate ventilation. If peroxide formation is suspected, do not
open or move container. Avoid contact with air and sunlight. Do not
pressurize, cut, weld, braze, solder, drill, grind, or expose empty
containers to heat, sparks or open flames. Unused chemicals should
not be returned to the container. Do not distill since this removes
peroxide-inhibitors.
Storage:
Keep away from sources of ignition. Do not store in direct sunlight.
Store in a tightly closed container. Flammables-area. Regularly check
inhibitor levels to maintain peroxide levels below 1%. Do not break
the seal on the container until it is needed. Label the container
with the date it was first opened. Long-term storage is not
recommended.

**** 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# 109-99-9:
United Kingdom, WEL - TWA: 50 ppm TWA; 150 mg/m3 TWA
United Kingdom, WEL - STEL: 100 ppm STEL; 300 mg/m3 STEL
United States OSHA: 200 ppm TWA; 590 mg/m3 TWA
Belgium - TWA: 200 ppm VLE; 599 mg/m3 VLE
Belgium - STEL: 100 ppm VLE; 300 mg/m3 VLE
France - VME: 200 ppm VME; 590 mg/m3 VME
Germany: 50 ppm TWA; 150 mg/m3 TWA
Germany: Skin absorber
Japan: 200 ppm OEL; 590 mg/m3 OEL
Malaysia: 200 ppm TWA; 590 mg/m3 TWA
Netherlands: 100 ppm MAC; 300 mg/m3 MAC
Russia: 100 mg/m3 TWA
Spain: 50 ppm VLA-ED; 150 mg/m3 VLA-ED
Spain: 100 ppm VLA-EC; 300 mg/m3 VLA-EC
CAS# 429-41-4:
United States OSHA: 2.5 mg/m3 TWA (as F) (listed under Fluorides
CAS# 7732-18-5:


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 and clothing to
prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize
contact with skin.
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 amber to brown
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not applicable.
Flash Point: -17 deg C ( 1.40 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density: .8870g/cm3
Molecular Formula: C16H36FN
Molecular Weight: 261.46

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

Chemical Stability:
Stable at room temperature in closed containers under normal storage
and handling conditions. On long term storage, substances with
similar functional groups form explosive peroxides. Peroxide
formation may occur in containers that have been opened and remain in
storage.
Conditions to Avoid:
Incompatible materials, ignition sources, exposure to air, excess
heat, strong oxidants.
Incompatibilities with Other Materials:
Oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, irritating and toxic fumes and
gases, carbon dioxide, hydrogen fluoride gas, nitrogen.
Hazardous Polymerization: Has not been reported.

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

RTECS#:
CAS# 109-99-9: LU5950000
CAS# 429-41-4 unlisted.
CAS# 7732-18-5: ZC0110000
LD50/LC50:
CAS# 109-99-9: Inhalation, rat: LC50 = 21000 ppm/3H; Oral, rat: LD50
= 1650 mg/kg.
CAS# 429-41-4.
CAS# 7732-18-5: Oral, rat: LD50 = >90 mL/kg.
Carcinogenicity:
Tetrahydrofuran -
ACGIH: A3 - Confirmed animal carcinogen with unknown relevance to
Tetrabutylammonium fluoride -
Not listed by ACGIH, IARC, or NTP.
Water -
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: FLAMMABLE LIQUID, N.O.S.*
Hazard Class: 3
UN Number: 1993
Packing Group: II
IMO
Shipping Name: FLAMMABLE LIQUID, N.O.S.
Hazard Class: 3.2
UN Number: 1993
Packing Group: II
RID/ADR
Shipping Name: FLAMMABLE LIQUID, N.O.S.
Hazard Class: 3
UN Number: 1993
Packing group: II
USA RQ: CAS# 109-99-9: 1000 lb final RQ; 454 kg final RQ

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI F
Risk Phrases:
R 11 Highly flammable.
R 19 May form explosive peroxides.
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 9 Keep container in a well-ventilated place.
S 16 Keep away from sources of ignition - No
smoking.
S 29 Do not empty into drains.
S 33 Take precautionary measures against static
discharges.
WGK (Water Danger/Protection)
CAS# 109-99-9: 1
CAS# 429-41-4: No information available.
CAS# 7732-18-5: No information available.
Canada
CAS# 109-99-9 is listed on Canada's DSL List.
CAS# 429-41-4 is listed on Canada's DSL List.
CAS# 7732-18-5 is listed on Canada's DSL List.
CAS# 109-99-9 is listed on Canada's Ingredient Disclosure List.
CAS# 429-41-4 is not listed on Canada's Ingredient Disclosure List.
CAS# 7732-18-5 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 109-99-9 is listed on the TSCA inventory.
CAS# 429-41-4 is listed on the TSCA inventory.
CAS# 7732-18-5 is listed on the TSCA inventory.

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

Text for R-phrases from Section 2
R 11 Highly flammable.
R 19 May form explosive peroxides.
R 34 Causes burns.
R 36/37 Irritating to eyes and respiratory system.
MSDS Creation Date: 9/02/1997 Revision #7 Date: 5/28/2003

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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