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MSDS 
:
 Tetrabutylammonium hydroxide, 40 wt.% solution in methanol
CAS 
:
 67-56-1
SYNONYMS 
:
 
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 67-56-1 |Methanol | 60% | 200-659-6 |
|----------------|--------------------------------------|----------|-----------|
| 2052-49-5 |Tetrabutylammonium hydroxide | 40% | 218-147-6 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: T F
Risk Phrases: 11 23/25 34

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

EMERGENCY OVERVIEW
Highly flammable. Toxic by inhalation and if swallowed. Causes
burns.

Potential Health Effects
Eye:
Causes eye burns.
Skin:
Causes skin burns.
Ingestion:
May be fatal or cause blindness if swallowed. Poison by ingestion.
Causes gastrointestinal tract burns. May cause liver and kidney
damage. May cause cardiac disturbances. Aspiration of material into
the lungs may cause chemical pneumonitis, which may be fatal.
Inhalation:
Causes chemical burns to the respiratory tract. Toxic if inhaled.
Chronic:
Not available.

**** 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:
Get medical aid. Immediately flush skin with plenty of water for at
least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4
cupfuls of milk or water. Get medical aid immediately.
Inhalation:
Remove from exposure and move to fresh air immediately. If not
breathing, give artificial respiration. If breathing is difficult,
give oxygen.
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. Vapors can travel to a source of ignition and flash
back. Will burn if involved in a fire. Flammable liquid and vapor.
Extinguishing Media:
Use water spray, dry chemical, or carbon dioxide.

**** 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. Remove all sources of ignition.
Use a spark-proof tool.

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

Handling:
Use spark-proof tools and explosion proof equipment. Do not get on
skin and clothing. Do not breathe dust, vapor, mist, or gas. Use only
in a chemical fume hood.
Storage:
Keep away from sources of ignition. Store in a cool, dry place.
Store in a tightly closed container. 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# 67-56-1:
United Kingdom, WEL - TWA: 200 ppm TWA; 266 mg/m3 TWA
United Kingdom, WEL - STEL: 250 ppm STEL; 333 mg/m3 STEL
United States OSHA: 200 ppm TWA; 260 mg/m3 TWA
Belgium - TWA: 200 ppm VLE; 266 mg/m3 VLE
Belgium - STEL: 250 ppm VLE; 333 mg/m3 VLE
France - VME: 200 ppm VME; 260 mg/m3 VME
France - VLE: 1000 ppm VLE; 1300 mg/m3 VLE
Germany: 200 ppm TWA; 270 mg/m3 TWA
Germany: Skin absorber
Japan: 200 ppm OEL; 260 mg/m3 OEL
Malaysia: 200 ppm TWA; 262 mg/m3 TWA
Netherlands: 200 ppm MAC; 260 mg/m3 MAC
Russia: 5 mg/m3 TWA
Spain: 200 ppm VLA-ED; 266 mg/m3 VLA-ED
Spain: 250 ppm VLA-EC; 333 mg/m3 VLA-EC
CAS# 2052-49-5:


Personal Protective Equipment

Eyes:
Not available.
Skin:
Wear appropriate protective gloves to prevent skin
exposure.
Clothing:
Wear a chemical apron.
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: Clear liquid
Color: Not available.
Odor: characteristic odor
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 65 deg C
Freezing/Melting Point: -98 deg C
Autoignition Temperature: 455 deg C ( 851.00 deg F)
Flash Point: 12 deg C ( 53.60 deg F)
Explosion Limits, lower: 5.5 Vol%
Explosion Limits, upper: 36.5 Vol%
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density: 0.91
Molecular Formula: C16H37NO
Molecular Weight: 259.46

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

Chemical Stability:
Stable under normal temperatures and pressures. Absorbs carbon
dioxide from the air.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Oxidizing agents, reducing agents, acids, acid chlorides, alkali
metals, aluminum, brass, acid anhydrides.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, carbon dioxide.
Hazardous Polymerization: Will not occur.

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

RTECS#:
CAS# 67-56-1: PC1400000
CAS# 2052-49-5: BS5425000
LD50/LC50:
CAS# 67-56-1: Draize test, rabbit, eye: 40 mg Moderate; Draize test,
rabbit, eye: 100 mg/24H Moderate; Draize test, rabbit, skin: 20
mg/24H Moderate; Inhalation, rabbit: LC50 = 81000 mg/m3/14H;
Inhalation, rat: LC50 = 64000 ppm/4H; Oral, mouse: LD50 = 7300
mg/kg; Oral, rabbit: LD50 = 14200 mg/kg; Oral, rat: LD50 = 5600
mg/kg; Skin, rabbit: LD50 = 15800 mg/kg.
CAS# 2052-49-5.
Carcinogenicity:
Methanol -
Not listed by ACGIH, IARC, or NTP.
Tetrabutylammonium hydroxide -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

**** SECTION 12 - ECOLOGICAL INFORMATION ****

Ecotoxicity:
log Pow: -0.70

**** 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, CORROSIVE, N.O.S.*
Hazard Class: 3 (6.1)
UN Number: 3286
Packing Group: II
IMO
Shipping Name: FLAMMABLE LIQUID, TOXIC, CORROSIVE, N.O.S.
Hazard Class: 3 (6.1)
UN Number: 3286
Packing Group: II
RID/ADR
Shipping Name: FLAMMABLE LIQUID, TOXIC, CORROSIVE, N.O.S.
Hazard Class: 3
UN Number: 3286
Packing group: II
USA RQ: CAS# 67-56-1: 5000 lb final RQ; 2270 kg final RQ

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T F
Risk Phrases:
R 11 Highly flammable.
R 23/25 Toxic by inhalation and if swallowed.
R 34 Causes burns.
Safety Phrases:
S 16 Keep away from sources of ignition - No
smoking.
S 28A After contact with skin, wash immediately with
plenty of water.
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# 67-56-1: 1
CAS# 2052-49-5: No information available.
Canada
CAS# 67-56-1 is listed on Canada's DSL List.
CAS# 2052-49-5 is listed on Canada's DSL List.
CAS# 67-56-1 is listed on Canada's Ingredient Disclosure List.
CAS# 2052-49-5 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 67-56-1 is listed on the TSCA inventory.
CAS# 2052-49-5 is listed on the TSCA inventory.

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

Text for R-phrases from Section 2
R 11 Highly flammable.
R 23/24/25 Toxic by inhalation, in contact with skin and
if swallowed.
R 39/23/24/25 Toxic : danger of very serious irreversible
effects through inhalation, in contact with skin and if swallowed.
MSDS Creation Date: 4/03/2003 Revision #0 Date: Original.

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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