MSDS for Methyl Isobutyl Ketone Page 1 of 7 MSDS-051
MATERIAL SAFETY DATA SHEET
Methyl Isobutyl Ketone
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SECTION 1: IDENTIFICATION OF SUBSTANCE/MIXTURE & SUPPLIER
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Methyl Isobutyl Ketone
Product Name:
4-methyl-2-pentanone, Hexone, MIBK
Other Names:
Recommended Use: General industrial organic solvent.
Supplier: CSR Distilleries Operations Pty Limited
ABN: ABN 85 009 660 191
Address: 265 Whitehall Street
Yarraville VIC 3013
Australia
Telephone: +61 2 9372 5888 (Or 1800 807 668 (available in Australia only))
Facsimile: +61 2 9372 5877
Emergency Phone: Working hours (03) 9283 4506 After hours 1800 627 252
Important Notice: This Material Safety Data Sheet (MSDS) is issued by the Supplier in accordance with
National Occupational Health & Safety Commission (NOHSC) guidelines. As such, the
information in it must not be altered, deleted or added to. The Supplier will issue a new
MSDS when there is a change in product specifications and/or NOHSC
guidelines/regulations. The Supplier will not accept any responsibility for any changes
made to its MSDS by any other person or organisation.
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SECTION 2: HAZARDS INFORMATION
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HAZARDOUS SUBSTANCE. DANGEROUS GOODS
DG Class 3
Subsidiary Risk 1: None Allocated
Packaging Group II
Poison Schedule 5
Risk Phrase(s)
R11 - Highly flammable.
R66 - Repeated exposure may cause skin dryness and cracking.
R20/22 - Harmful by inhalation and if swallowed.
R36/38 - Irritating to eyes and skin.
Safety Phrase(s)
S2 - Keep out of the reach of children.
S16 - Keep away from sources of ignition - No smoking.
S23 - Do not breathe vapour.
S29 - Do not empty into drains.
S33 - Take precautionary measures against static discharges.
S45 - In case of accident or if you feel unwell seek medical advice immediately (show the label whenever possible.)
S7/9 - Keep container tightly closed and in a well ventilated place
S24/25 - Avoid contact with skin and eyes
S36/37/39 - Wear suitable protective clothing/ gloves and eye/face protection
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SECTION 3: COMPOSITION / INFORMATION ON INGREDIENTS
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Chemical Name: CAS Number: Proportion:
Methyl iso-butyl ketone 108-10-1 100%
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SECTION 4: FIRST AID MEASURES
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If poisoning occurs, contact a doctor or Poisons Information Centre.
Swallowed: If a minor amount has been accidentally swallowed, then if conscious, rinse mouth with water and then
dilute stomach contents by giving large amounts of water. Seek medical attention. Do not attempt to induce
vomiting or give anything by mouth to an unconscious person. If person vomits, place person in recovery position.
Eye: Flush eye with water for a minimum of 15 minutes. Seek medical attention promptly if irritation persists or any
loss of vision occurs.
Skin: Immediately remove all contaminated clothing. Wash affected skin with water. Launder contaminated clothing
before re-use. If irritation persists, seek medical attention.
Inhaled: Remove promptly to fresh air. If respiratory irritation, dizziness, nausea or unconsciousness occurs, seek
immediate medical attention. Apply artificial respiration if breathing stops.
Notes to doctor: There is no specific antidote for MIBK. Treat symptomatically.
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SECTION 5: FIRE FIGHTING MEASURES
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Specific Hazards:
Specific hazards: Highly flammable liquid. May form flammable mixtures with air. Burns with a colourless flame. The
vapour is heavier than air and may travel along the ground; distant ignition and flash back are possible. Run off to
sewers and drains may cause explosions. Isolate for at least 800 metres in all directions if tanks or tankers are
involved. The use of compressed air for filling, discharging, mixing or handling is prohibited due to the vapour
hazard. All vessels must be earthed to avoid generation of static charges when agitating or transferring solvents.
Avoid all ignition sources. Intrinsically safe equipment is necessary in areas where this chemical is being used.
Extinguishing Media:
Use dry chemical, carbon dioxide or alcohol stable foam. Water may be ineffective.
Fire Fighting Procedures:
Highly flammable liquid. Use water to cool exposed containers or structures. Heating can cause expansion or
decomposition leading to violent rupture of containers. If safe to do so, remove containers from path of fire. Spills
and leaks may be washed away with copious volumes of water, fog or spray. For major fires or where the
atmosphere is either oxygen deficient or contains unacceptable levels of combustion products, firefighters must
wear self-contained breathing apparatus with full face-mask and protective clothing
Hazardous Decomposition products:
Burning can produce carbon monoxide and/or carbon dioxide.
Hazchem code:
3[Y]E
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SECTION 6: ACCIDENTAL SPILL AND RELEASE MEASURES
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Containment Procedures:
In the event of a spillage eliminate all sources of ignition and take measures to prevent static discharge 鈥? no
smoking. Stop and contain the spill for salvage or absorb in inert absorbent material (e.g. soil, sand, vermiculite) for
disposal by an approved method. Prevent run-off into drains and waterways. Clear area of all personnel not directly
involved in the clean up. . All personnel involved in the containment and disposal procedures to wear protective
equipment as described in Section 8 to prevent skin and eye contamination and inhalation of vapours. Use water
spray to disperse vapour. Wash the cleaned up area with copious volumes of water to remove any traces amounts
of product. MIBK mixes slightly with water. Ventilate area well and ensure adequate personal protection as above. If
contamination of sewers or waterways has occurred, advise the local emergency services.
Disposal:
Stop and contain the spill for salvage or absorb in inert absorbent material (e.g. soil, sand, vermiculite) for disposal
by an approved method. Prevent run-off into drains and waterways. Non-returnable containers should be de-
gassed prior to disposal.
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SECTION 7: HANDLING AND STORAGE
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Handling and Storage:
Handling:
Use in well ventilated areas away from all ignition sources. Intrinsically safe equipment only must be used in area
where this chemical is being used. The use of compressed air for filling, discharging, mixing or handling is
prohibited due to the vapour hazard. Containers must be earthed to avoid generation of static charges when
agitating or transferring product.
Storage:
Store in tightly closed containers in cool, dry, isolated and well ventilated areas away from heat, sources of ignition
and incompatibles. Store away from oxidizing agents. Keep containers closed at all times 鈥? check regularly for
leaks. Do not eat, drink or smoke in areas of use or storage. Observe State Regulations concerning the storage and
handling of Dangerous Goods. Store with all precautions required for handling flammable liquids. The requirement
of Australian Standard AS 1940 should be observed in addition to AS 1020, AS 1076, AS 2380 and AS 3000.
Empty containers retain residue (liquid and/or vapour and can be dangerous. Do not pressure cut, weld, braze,
solder, drill, grind or expose such containers to heat, flame, sparks, static electricity, or other sources of ignition.
The material is a Scheduled Poison S5 and must be stored, maintained and used in accordance with the relevant
regulations.
Incompatibilities
Not to be stored with explosives (Class 1), flammable gases in bulk (Class 2.1), poisonous gases (Class 2.3),
spontaneously combustible substances (Class 4.2), oxidizing agents (Class 5.1), organic peroxides (Class 5.2),
radioactive substances (Class 7). Exemptions may apply.
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SECTION 8: EXPOSURE CONTROL AND PERSONAL PROTECTION
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Exposure Standards:
National Occupational Health & Safety Commission (NOHSC) Australia occupational exposure standards.
MIBK TWA - 50 ppm (205 mg/m3)
STEL - 75 ppm (307 mg/m3)
Carcinogen Category - None Allocated
Notices - None Allocated
Exposure Standard (TWA) is the time-weighted average airborne concentration over an eight-hour working day, for
a five-day working week over an entire working life. According to current knowledge this concentration should
neither impair the health of, nor cause undue discomfort to, nearly all workers.
STEL (Short Term Exposure Limit) - the average airborne concentration over a 15 minute period, which should not
be exceeded at any time during a normal eight-hour work day.
These Exposure Standards are guides to be used in the control of occupational health hazards. All atmospheric
contamination should be kept to as low a level as is workable. These Exposure Standards should not be used as
fine dividing lines between safe and dangerous concentrations of chemicals. They are not a measure of relative
toxicity.
Engineering Controls:
Ventilation: Local exhaust ventilation and/or mechanical (general) exhaust is recommended where vapours are
likely to be generated. All such equipment must be intrinsically safe. MIBK should be used in minimal quantities in
designated areas with adequate ventilation and away from sources of heat or sparks. Keep containers closed when
not in use. Containers should be grounded during transfer or mixing operations.
Special Considerations for Repair And/Or Maintenance of Contaminated Equipment: Empty containers
retain residue (liquid and/or vapour) and can be dangerous. Do not pressure cut, weld, braze, solder, drill, grind or
expose such containers to heat, flame, sparks, static electricity, or other sources of ignition. Vapour is heavier than
air 鈥? prevent concentration in hollows or sumps. Do not enter confined spaces where vapour may have collected.
Personal Hygiene: Protective clothing (gloves, coveralls, boots, etc.) should be worn to prevent skin contact.
Always wash hands before smoking, eating, drinking or using the toilet. Wash contaminated clothing and other
protective equipment before storing or re-using.
Eye Protection: Avoid eye contact by wearing chemical goggles with side shields or face shield (AS/NZS 1336)
whenever exposed to vapour or mist or if there is a risk of splashing liquid in the eyes. Safety showers with eye-
wash should be provided in all areas where product is handled.
Skin Protection: Avoid skin contact by the use of approved chemical resistant gloves and aprons selected as
appropriate to the task, in accordance with AS2161, and with reference to glove manufacturers recommendations.
Chemical resistant barrier gloves should be used where risk of contact with the solvent is high. PVC, neoprene,
rubber and nitrile gloves are not recommended.
Respiratory Protection: None should be needed under normal circumstances if engineering, storage and
handling controls are sufficient to prevent any over-exposure. Where exposure relative to the Occupational
Exposure Standard is likely i.e. at around half the OES or 25 ppm an approved organic vapour respirator (AS/NZS
1715 and 1716) is recommended to be worn. In high vapour concentrations at or above the occupational limit,
consideration should be given to wearing powered positive pressure air purifying respirators or air-supplied hood
type. In suspected oxygen deficient atmospheres, such as empty vessels or confined spaces, wear positive
pressure, full face-piece self-contained breathing apparatus.
Smoking and Other Dusts: Smoking must be prohibited in all areas where this product is used - see safety
information on flammability.
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SECTION 9: PHYSICAL AND CHEMICAL PROPERTIES
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Appearance: Clear colourless liquid
Odour Detectable at 8 ppm
pH, at stated concentration N/A
Boiling Point: (oC) 116.8掳C
Melting Point: (oC) -84.7掳C
Vapour pressure: 6 mm Hg @ 20掳C
Specific gravity (H2O = 1) 0.80
Solubility in water: Slight
Evaporation Rate: 160 (n-Butyl Acetate = 100
Vapour Density: 3.45 (air = 1)
Per cent volatiles: 100%
Flash Point: 18掳C
FP Test Method: N/A
Lower Explosive Limit (LEL): 1.2%
Upper Explosive Limit (UEL): 8%
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SECTION 10: STABILITY AND REACTIVITY
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Chemical Stability: Stable
Hazardous Polymerisation: Will not occur
Incompatible Materials: Will react with strong oxidizing agents, reducing agents and alkalies.
Conditions to avoid: Heat, sparks, flame and build-up of static electricity.
Hazardous Decomposition products: Burning can produce carbon monoxide and/or carbon dioxide.
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SECTION 11: TOXICOLOGICAL AND EPIDEMIOLOGICAL DATA
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Acute and long term exposure effects:
Acute toxicity: LD50/oral/rat: 2080 mg/kg
Swallowed: Unlikely under normal occupational exposures, but swallowing a minor amount may cause throat
irritation, vomiting and diarrhoea. Ingestion of larger amounts may cause narcotic effects, and lead to coma and
death. Swallowing the liquid may cause aspiration into the lungs with the risk of chemical pneumonitis.
Eye: Vapour and liquid can irritate the eyes resulting in redness, pain and swelling.
Skin: Brief skin contact may cause minor and short-lasting irritation. Prolonged contact (e.g. repeated daily contact,
or working in clothing saturated with the product) may cause drying and cracking of the skin due to the defatting
action. Dermatitis may also occur in some individuals.
Inhaled: Vapour may cause irritation of the nose, throat and upper respiratory tract. Higher concentrations can
cause drowsiness, headache, nausea, dizziness and eventually unconsciousness. Harmful if aspirated into the
lungs, may cause chemical pneumonitis.
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SECTION 12: ECOLOGICAL INFORMATION
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Ecotoxicity: Toxicity to fish (acute): LC50/Fathead Minnow/: 540 mg/l/96 h
Persistence and degradability: Evaluation: moderately biodegradable
Mobility in soil: No data available.
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SECTION 13: DISPOSAL CONSIDERATIONS
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Suitable for incineration by approved agent under controlled conditions if permitted by local authorities, otherwise
disposal must be in accordance with local waste authority requirements. Product must be contained and not
disposed to sewerage systems, drains or waterways. Advise flammable nature. Empty containers must be
decontaminated by rinsing with water.
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SECTION 14: TRANSPORTATION INFORMATION
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Transport Requirements:
UN number: 1245
Class 3
Subsidiary Risk 1: None Allocated
Packaging Group II
Hazchem code: 3[Y]E
Incompatibilities: Not to be stored with explosives (Class 1), flammable gases in bulk (Class 2.1), poisonous
gases (Class 2.3), spontaneously combustible substances (Class 4.2), oxidizing agents (Class 5.1), organic
peroxides (Class 5.2), radioactive substances (Class 7). Exemptions may apply.
Road and Rail Transport (Australian Dangerous Goods Code):
UN Number: 1245
Proper Shipping Name: METHYL ISOBUTYL KETONE
Class: 3 Flammable Liquid
Hazchem Code: 3[Y]E
Packing Group: II
Marine Transport (International Maritime Dangerous Goods Code):
UN Number: 1245
Proper Shipping Name: METHYL ISOBUTYL KETONE
Class: 3 Flammable Liquid
Packing Group: II
Marine Pollutant: No
Air Transport (International Air Transport Association Dangerous Goods Regulations):
UN Number: 1245
Proper Shipping Name: METHYL ISOBUTYL KETONE
Class: 3 Flammable Liquid
Packing Group: II
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SECTION 15: REGULATORY INFORMATION
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Regulatory Information:
Classification: Hazardous according to criteria of NOHSC.
Dangerous Good according to criteria of the Australian Dangerous Goods Code.
Poisons Schedule: S5
This material is a Scheduled Poison S5 and must be stored, maintained and used in
accordance with the relevant regulations.
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SECTION 16: OTHER INFORMATION AND CONTACT POINT
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Further Information can be obtained from:
CSR Distilleries Operations Pty Limited (ABN 85 009 660 191), 265 Whitehall Street, Yarraville VIC 3013, Australia.
Phone +61 2 9372 5888 or 1800 807 668 (available in Australia only). Fax +61 2 9372 5877
Additional Information
Australian Standards References:
AS 1020 The Control of undesirable static electricity.
AS 1076 Code of Practice for selection, installation and maintenance of electrical apparatus and
associated equipment for use in explosive atmospheres (other than mining applications) 鈥? Parts 1
to 13.
AS/NZS 1336 Recommended Practices for Occupational Eye Protection.
AS/NZS 1715 Selection, Use and Maintenance of Respiratory Protective Devices.
AS/NZS 1716 Respiratory Protective Devices.
AS 1940 The Storage and Handling of Flammable and Combustible Liquids.
AS 2161 Industrial Safety Gloves and Mittens (excluding electrical and medical gloves).
AS 2380 Electrical equipment for explosive atmospheres 鈥? Explosion Protection Techniques (Parts 1 to 9).
AS 3000 Electrical installations (known as the Australian/New Zealand Wiring Rules).
This MSDS was correct at the time it was prepared (see below for the date). The Supplier, as part of its Health and
Safety Programme, updates MSDSs when its ongoing review process indicates a need for a change to be made.
You should make sure that the MSDS you are reading and relying on is current. You can do this by contacting the
Supplier at the above address.
MSDS Revision Summary
Supersedes Issue Date: 10/2003
Reasons for Issue: Review of hazardous classification, review of risk and safety phrases and review of
toxicological and first aid information.
CSR MSDS No.: MSDS-051
Issue Date: 02/2003
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