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MSDS 
:
 5-Methyl-3-heptanone, 98.5+%
CAS 
:
 541-85-5
SYNONYMS 
:
 Ethyl amyl ketone; Ethyl-2-isopentylketone
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 541-85-5 |5-Methyl-3-heptanone | 96.0 | 208-793-7 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: XI
Risk Phrases: 10 36/37

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

EMERGENCY OVERVIEW
Flammable. Irritating to eyes and respiratory system.

Potential Health Effects
Eye:
Causes eye irritation. Vapors may cause eye irritation.
Skin:
Causes skin irritation.
Ingestion:
May cause irritation of the digestive tract.
Inhalation:
Causes respiratory tract irritation. Vapors may cause dizziness or
suffocation. Inhalation of high concentrations may cause narcotic
effects.
Chronic:
No information found.

**** 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. 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:
Remove from exposure and move to fresh air immediately. 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. 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. 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:
For small fires, use dry chemical, carbon dioxide, water spray or
alcohol-resistant foam. For large fires, use water spray, fog, or
alcohol-resistant foam. Use water spray to cool fire-exposed
containers. Water may be ineffective. Do NOT use straight streams of
water. 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. Remove all sources of ignition. A
vapor suppressing foam may be used to reduce vapors. Water spray may
reduce vapor but may not prevent ignition in closed spaces.

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

Handling:
Wash thoroughly after handling. Use with adequate ventilation.
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 container
tightly closed. 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.

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

Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits
CAS# 541-85-5:
United Kingdom, WEL - TWA: 10 ppm TWA
United Kingdom, WEL - STEL: 20 ppm STEL
United States OSHA: 25 ppm TWA; 130 mg/m3 TWA
Belgium - TWA: 10 ppm VLE; 53 mg/m3 VLE
Belgium - STEL: 20 ppm VLE; 107 mg/m3 VLE
France - VME: 25 ppm VME; 130 mg/m3 VME
Germany: 10 ppm TWA; 53 mg/m3 TWA
Malaysia: 25 ppm TWA; 132 mg/m3 TWA
Netherlands: 25 ppm MAC; 133 mg/m3 MAC
Spain: 10 ppm VLA-ED; 53 mg/m3 VLA-ED
Spain: 20 ppm VLA-EC; 107 mg/m3 VLA-EC

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: clear slightly yellow
Odor: mild, fruity odor
pH: Not available.
Vapor Pressure: 2.7 mbar @ 25 C
Viscosity: Not available.
Boiling Point: 157.0 - 163.0 deg C @ 760.00m
Freezing/Melting Point: - 57.00 - - 0.00 deg
Autoignition Temperature: Not available.
Flash Point: 138 deg F ( 58.89 deg C)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: 3 g/l (20 c)
Specific Gravity/Density: .8190g/cm3
Molecular Formula: C8H16O
Molecular Weight: 128.21

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

Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, ignition sources, excess heat, strong
oxidants.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, irritating and toxic fumes and gases, carbon
dioxide.
Hazardous Polymerization: Has not been reported.

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

RTECS#:
CAS# 541-85-5: MJ7350000
LD50/LC50:
CAS# 541-85-5: Draize test, rabbit, skin: 500 mg Mild; Oral, mouse:
LD50 = 3800 mg/kg; Oral, rat: LD50 = 3500 mg/kg; Skin, rabbit: LD50
= >16 gm/kg.
Carcinogenicity:
5-Methyl-3-heptanone -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

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

Other
No information available.

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

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

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

IATA
Shipping Name: ETHYL AMYL KETONE
Hazard Class: 3
UN Number: 2271
Packing Group: III
IMO
Shipping Name: ETHYL AMYL KETONE
Hazard Class: 3.3
UN Number: 2271
Packing Group: III
RID/ADR
Shipping Name: ETHYL AMYL KETONES
Hazard Class: 3
UN Number: 2271
Packing group: III

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI
Risk Phrases:
R 10 Flammable.
R 36/37 Irritating to eyes and respiratory system.
Safety Phrases:
S 9 Keep container in a well-ventilated place.
S 16 Keep away from sources of ignition - No
smoking.
S 23 Do not inhale gas/fumes/vapour/spray.
S 33 Take precautionary measures against static
discharges.
WGK (Water Danger/Protection)
CAS# 541-85-5: 1
Canada
CAS# 541-85-5 is listed on Canada's DSL List.
CAS# 541-85-5 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 541-85-5 is listed on the TSCA inventory.

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

MSDS Creation Date: 12/12/1997 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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