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MSDS 
:
 5-Methyl-2-hexanone 99%
CAS 
:
 110-12-3
SYNONYMS 
:
 Methyl isoamyl ketone; 2-Methyl-5-hexanone; Isoamyl methyl ketone.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 110-12-3 |5-Methyl-2-hexanone | 99 | 203-737-8 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: F
Risk Phrases: 10

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

EMERGENCY OVERVIEW
Flammable.

Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
May cause irritation of the digestive tract. May cause liver damage.
Inhalation:
May cause respiratory tract irritation. Vapors may cause dizziness
or suffocation.
Chronic:
Prolonged or repeated skin contact may cause dermatitis. Repeated
exposure may cause sensitization dermatitis.

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

Eyes:
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 immediately. Flush skin with plenty of water for at
least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
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 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 may form an explosive mixture with air.
Vapors can travel to a source of ignition and flash back. 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.
Extinguishing Media:
Water may be ineffective. 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. A vapor suppressing foam may be
used to reduce vapors.

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

Handling:
Wash thoroughly after handling. Use only in a well-ventilated area.
Ground and bond containers when transferring material. Avoid contact
with eyes, skin, and clothing. Empty containers retain product
residue, (liquid and/or vapor), and can be dangerous. Keep away from
heat, sparks and flame. Avoid ingestion and inhalation. Do not
pressurize, cut, weld, braze, solder, drill, grind, or expose empty
containers to heat, sparks or open flames.
Storage:
Keep away from heat, sparks, and flame. Keep away from sources of
ignition. Store in a tightly closed container. Store in a cool, dry,
well-ventilated area away from incompatible substances.
Flammables-area.

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits
CAS# 110-12-3:
United Kingdom, WEL - TWA: 20 ppm TWA; 95 mg/m3 TWA
United Kingdom, WEL - STEL: 100 ppm STEL; 475 mg/m3 STEL
United States OSHA: 100 ppm TWA; 475 mg/m3 TWA
Belgium - TWA: 20 ppm VLE; 95 mg/m3 VLE
France - VME: 50 ppm VME; 240 mg/m3 VME
Germany: 20 ppm TWA; 95 mg/m3 TWA
Malaysia: 50 ppm TWA; 234 mg/m3 TWA
Netherlands: 50 ppm MAC; 233 mg/m3 MAC
Spain: 20 ppm VLA-ED; 95 mg/m3 VLA-ED

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: Clear liquid
Color: clear, colorless
Odor: pleasant odor
pH: Not available.
Vapor Pressure: 34 mbar @ 50 C
Viscosity: Not available.
Boiling Point: 145 deg C @ 760.00mm Hg
Freezing/Melting Point: -74 deg C
Autoignition Temperature: 420 deg C ( 788.00 deg F)
Flash Point: 41 deg C ( 105.80 deg F)
Explosion Limits, lower: 1.00 vol %
Explosion Limits, upper: 7.90 vol %
Decomposition Temperature:
Solubility in water: 5.4 G/L (20C)
Specific Gravity/Density: .8120g/cm3
Molecular Formula: C7H14O
Molecular Weight: 114.19

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

Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Not available.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported.

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

RTECS#:
CAS# 110-12-3: MP3850000
LD50/LC50:
CAS# 110-12-3: Draize test, rabbit, eye: 100 uL/24H Mild;
Inhalation, rat: LC50 = 3813 ppm/6H; Oral, mouse: LD50 = 2542 mg/kg;
Oral, rat: LD50 = 3200 mg/kg; Skin, rabbit: LD50 = 10 mL/kg.
Carcinogenicity:
5-Methyl-2-hexanone -
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: 5-METHYLHEXAN-2-ONE
Hazard Class: 3
UN Number: 2302
Packing Group: III
IMO
Shipping Name: 5-METHYLHEXAN-2-ONE
Hazard Class: 3.3
UN Number: 2302
Packing Group: III
RID/ADR
Shipping Name: 5-METHYLHEXAN-2-ONE
Hazard Class: 3
UN Number: 2302
Packing group: III

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: F
Risk Phrases:
R 10 Flammable.
Safety Phrases:
S 23 Do not inhale gas/fumes/vapour/spray.
WGK (Water Danger/Protection)
CAS# 110-12-3: 1
Canada
CAS# 110-12-3 is listed on Canada's DSL List.
CAS# 110-12-3 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 110-12-3 is listed on the TSCA inventory.

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

MSDS Creation Date: 9/02/1997 Revision #3 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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