**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****
+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 109-99-9 |Tetrahydrofuran | >85 | 203-726-8 |
|----------------|--------------------------------------|----------|-----------|
| 17979-81-6 |Sodium triethylborohydride | <15 | 241-903-1 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: F C
Risk Phrases: 11 15 19 34
**** SECTION 3 - HAZARDS IDENTIFICATION ****
EMERGENCY OVERVIEW
Highly flammable. Contact with water liberates extremely flammable
gases. May form explosive peroxides. Causes
burns.Water-reactive.Highly flammable.Corrosive.Moisture sensitive.
Potential Health Effects
Eye:
Causes eye burns. When substance becomes wet or comes in contact
with moisture of the mucous membranes, it will cause irritation. May
cause chemical conjunctivitis and corneal damage.
Skin:
Causes skin burns. May cause cyanosis of the extremities. May cause
skin rash (in milder cases), and cold and clammy skin with cyanosis
or pale color.
Ingestion:
May cause severe and permanent damage to the digestive tract. Causes
gastrointestinal tract burns. May cause perforation of the digestive
tract. May cause cardiac disturbances. Ingestion of large amounts
may cause CNS depression. May cause systemic effects.
Inhalation:
Causes chemical burns to the respiratory tract. May cause abdominal
pain, nausea, vomiting, and inflammation of the gums and mouth.
Aspiration may lead to pulmonary edema. Vapors may cause dizziness
or suffocation. May cause cardiac abnormalities. May cause systemic
effects. Inhalation at high concentrations may cause CNS depression
and asphixiation. May cause burning sensation in the chest.
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. 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.
If water-reactive products are embedded in the skin, no water should
be applied. The embedded products should be covered with a light
oil.
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:
**** 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. Reacts violently with water giving off flammable
gas which may explode. Vapors may form an explosive mixture with
air. Vapors can travel to a source of ignition and flash back.
Material can spontaneously ignite (pyrophoric) when exposed to air
at normal or slightly elevated temperatures. Can burn in a fire,
releasing toxic vapors. During a fire, irritating and highly toxic
gases may be generated by thermal decomposition or combustion. Will
burn if involved in a fire. Water Reactive. Material will react with
water and may release a flammable and/or toxic gas. Use water spray
to keep fire-exposed containers cool. Containers may explode in the
heat of a fire. Flammable liquid and vapor. Vapors may be heavier
than air. They can spread along the ground and collect in low or
confined areas. May ignite or explode on contact with steam or moist
air. May re-ignite after fire is extinguished.
Extinguishing Media:
Use water spray to cool fire-exposed containers. Water may be
ineffective. Do NOT get water inside containers. Contact
professional fire-fighters immediately. DO NOT USE WATER OR FOAM. For
small fires, use dry chemical, soda ash, lime or sand. For large
fires, use dry sand, dry chemical, soda ash or lime or withdraw from
area and let fire burn.
**** 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. Provide ventilation. Do
not expose spill to water. A vapor suppressing foam may be used to
reduce vapors.
**** SECTION 7 - HANDLING and STORAGE ****
Handling:
Remove contaminated clothing and wash before reuse. Do not allow
water to get into the container because of violent reaction. 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. Do not allow contact with water. 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. Keep from contact with moist air and
steam.
Storage:
Keep away from sources of ignition. Store in a cool, dry place.
Store in a tightly closed container. Keep under a nitrogen blanket.
Keep away from water. 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 general or
local explosion-proof ventilation to keep airborne levels to
acceptable levels.
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# 17979-81-6:
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: Liquid
Color: colorless
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 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: reacts with water
Specific Gravity/Density: .8900g/cm3
Molecular Formula: NaB(C2H5)3H
Molecular Weight: 121.99
**** SECTION 10 - STABILITY AND REACTIVITY ****
Chemical Stability:
Prolonged exposure to air and sunlight may form unstable peroxides.
Explosive peroxides may form on concentration. Peroxides can be
detonated by friction, impact, or heating. Peroxide formation may
occur in containers that have been opened and remain in storage.
Combines vigorously or explosively with water.
Conditions to Avoid:
Incompatible materials, ignition sources, exposure to air, contact
with water, excess heat, strong oxidants, exposure to moist air or
water.
Incompatibilities with Other Materials:
Water, acids, alcohols, air, oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, irritating and toxic fumes and gases, carbon
dioxide, oxides of boron, borane, hydrogen gas.
Hazardous Polymerization: Has not been reported.
**** SECTION 11 - TOXICOLOGICAL INFORMATION ****
RTECS#:
CAS# 109-99-9: LU5950000
CAS# 17979-81-6 unlisted.
LD50/LC50:
CAS# 109-99-9: Inhalation, rat: LC50 = 21000 ppm/3H; Oral, rat: LD50
= 1650 mg/kg.
CAS# 17979-81-6.
Carcinogenicity:
Tetrahydrofuran -
ACGIH: A3 - Confirmed animal carcinogen with unknown relevance to
Sodium triethylborohydride -
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: WATER-REACTIVE LIQUID, CORROSIVE, N.O.S.*
Hazard Class: 4.3 (8)
UN Number: 3129
Packing Group: II
IMO
Shipping Name: WATER-REACTIVE LIQUID, CORROSIVE, N.O.S.
Hazard Class: 4.3 (8)
UN Number: 3129
Packing Group: II
RID/ADR
Shipping Name: WATER-REACTIVE LIQUID, CORROSIVE, N.O.S.
Hazard Class: 4.3 (8)
UN Number: 3129
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: F C
Risk Phrases:
R 11 Highly flammable.
R 15 Contact with water liberates extremely
flammable gases.
R 19 May form explosive peroxides.
R 34 Causes burns.
Safety Phrases:
S 7/8 Keep container tightly closed and dry.
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 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# 109-99-9: 1
CAS# 17979-81-6: No information available.
Canada
CAS# 109-99-9 is listed on Canada's DSL List.
CAS# 109-99-9 is listed on Canada's Ingredient Disclosure List.
CAS# 17979-81-6 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 109-99-9 is listed on the TSCA inventory.
CAS# 17979-81-6 is not listed on the TSCA inventory.
It is for research and development use only.
**** SECTION 16 - ADDITIONAL INFORMATION ****
Text for R-phrases from Section 2
R 11 Highly flammable.
R 19 May form explosive peroxides.
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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