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MSDS 
:
 3-Methyl-1-butanol
CAS 
:
 123-51-3
SYNONYMS 
:
 Isopentyl alcohol; 3-Methyl-1-butanol; Isoamyl alcohol; Isopentanol;     Isobutylcarbinol.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 123-51-3 |Isoamyl alcohol | >99 | 204-633-5 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: XN
Risk Phrases: 10 20/22

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

EMERGENCY OVERVIEW
Flammable. Harmful by inhalation and if swallowed.

Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. Prolonged or repeated contact may dry/defat
the skin and cause irritation.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and
diarrhea. Aspiration of material into the lungs may cause chemical
pneumonitis, which may be fatal. May cause a narcotic effect with
possible coma. May be harmful if swallowed.
Inhalation:
Causes respiratory tract irritation. May cause visual abnormalities.
May be harmful if inhaled. Causes narcotic effects including
headache, dizziness, weakness, unconsciousness.
Chronic:
No information found.

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

Eyes:
In case of contact, immediately flush eyes with plenty of water for
at least 15 minutes. Get medical aid.
Skin:
In case of contact, flush skin with plenty of water. Remove
contaminated clothing and shoes. Get medical aid if irritation
develops and persists. Wash clothing before reuse.
Ingestion:
Potential for aspiration if swallowed. Get medical aid immediately.
Do not induce vomiting unless directed to do so by medical
personnel. Never give anything by mouth to an unconscious person.
Inhalation:
If inhaled, remove to fresh air. If not breathing, give artificial
respiration. If breathing is difficult, give oxygen. Get medical aid.
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. Use water spray to keep fire-exposed containers
cool. Containers may explode if exposed to fire. Vapors are heavier
than air and may travel to a source of ignition and flash back.
Vapors can spread along the ground and collect in low or confined
areas.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or alcohol-resistant
foam.

**** 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. Provide ventilation. A vapor suppressing
foam may be used to reduce vapors. Prevent spreading of vapors
through sewers, ventilation systems and confined areas.

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

Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Use with adequate ventilation. 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. Do not pressurize, cut, weld, braze,
solder, drill, grind, or expose empty containers to heat, sparks or
open flames. Avoid breathing vapor or mist.
Storage:
Keep away from sources of ignition. 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 general or
local exhaust ventilation to keep airborne concentrations below the
permissible exposure limits.
Exposure Limits
CAS# 123-51-3:
United Kingdom, OES - TWA: 100 ppm TWA; 366 mg/m3 TWA
United Kingdom, OES - STEL: 125 ppm STEL; 458 mg/m3 STEL
United States OSHA: 100 ppm TWA; 360 mg/m3 TWA
Belgium - TWA: 100 ppm VLE; 366 mg/m3 VLE
Belgium - STEL: 125 ppm VLE; 459 mg/m3 VLE
France - VME: 100 ppm VME; 360 mg/m3 VME
Germany: 100 ppm TWA; 370 mg/m3 TWA
Japan: 100 ppm OEL; 360 mg/m3 OEL
Malaysia: 100 ppm TWA; 361 mg/m3 TWA
Netherlands: 100 ppm MAC; 360 mg/m3 MAC
Russia: 5 mg/m3 TWA
Spain: 100 ppm VLA-ED; 366 mg/m3 VLA-ED
Spain: 125 ppm VLA-EC; 458 mg/m3 VLA-EC

Personal Protective Equipment

Eyes:
Wear chemical splash goggles.
Skin:
Wear appropriate 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. Always use
a NIOSH or European Standard EN 149 approved
respirator when necessary.

**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****

Physical State: Liquid
Color: clear, colorless
Odor: strong odor - disagreeable odor
pH: Not available.
Vapor Pressure: 2.37 mm Hg @ 25 deg C
Viscosity: 4.37 cps @ 20 deg C
Boiling Point: 130 deg C
Freezing/Melting Point: -117 deg C
Autoignition Temperature: 350 deg C ( 662.00 deg F)
Flash Point: 43 deg C ( 109.40 deg F)
Explosion Limits, lower: 1.2
Explosion Limits, upper: 9.0 @ 100C
Decomposition Temperature: Not available.
Solubility in water: 2g/100ml @ 14C.
Specific Gravity/Density: 0.8 (water=1)
Molecular Formula: C5H12O
Molecular Weight: 88.15

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

Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Ignition sources, excess heat.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, irritating and toxic fumes and gases, carbon
dioxide.
Hazardous Polymerization: Will not occur.

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

RTECS#:
CAS# 123-51-3: EL5425000
LD50/LC50:
CAS# 123-51-3: Draize test, rabbit, eye: 20 mg/24H Moderate; Draize
test, rabbit, skin: 20 mg/24H Moderate; Oral, rabbit: LD50 = 3438
mg/kg; Oral, rat: LD50 = 1300 mg/kg; Oral, rat: LD50 = 4300 mg/kg;
Skin, rabbit: LD50 = 3970 uL/kg.
Carcinogenicity:
Isoamyl alcohol -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

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

Ecotoxicity:
Goldfish (fresh water) 100ppm/82H (Lethal) Creek chub (river water)
400-600ppm/24H (Critical range)

**** SECTION 13 - DISPOSAL CONSIDERATIONS ****

Dispose of in a manner consistent with federal, state, and local regulations.

**** SECTION 14 - TRANSPORT INFORMATION ****

IATA
Shipping Name: PENTANOLS
Hazard Class: 3
UN Number: 1105
Packing Group: III
IMO
Shipping Name: PENTANOLS
Hazard Class: 3
UN Number: 1105
Packing Group: III
RID/ADR
Shipping Name: PENTANOLS
Hazard Class: 3
UN Number: 1105
Packing group:

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
Risk Phrases:
R 10 Flammable.
R 20/22 Harmful by inhalation and if swallowed.
Safety Phrases:
S 16 Keep away from sources of ignition - No
smoking.
WGK (Water Danger/Protection)
CAS# 123-51-3: 1
Canada
CAS# 123-51-3 is listed on Canada's DSL List.
CAS# 123-51-3 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 123-51-3 is listed on the TSCA inventory.

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

MSDS Creation Date: 2/20/1998 Revision #9 Date: 9/30/2002

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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