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Material Data Safety Sheet (MSDS): Acetone
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1. Product Identification 7. Handling and Storage
2. Composition 8. Exposure Controls/Personal Protection
3. Hazards Identification 9. Physical and Chemical Properties
4. First Aid Measures 10. Stability and Reactivity
5. Fire Fighting Measures 11. Toxicological Information
6. Accidental Release Measures 12. Ecological Information
13. Disposal Considerations
16. Other Information
Note: This information sheet has been re-formatted for better clarity by the Department of Earth Sciences.
Some of the data such as information on shipping and weapons treaties were intentionally left out. If you
want to look at the complete MSDS, you can either check one of the hardcopy versions in the Department,
contact the manufacturer, or check one of the various Web-based databases such as those compiled
by BU's Office of Environmental Health & Safety (www.bu.edu/ehs/msds/index.htm).
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1. Product Identification
ACETONE
MSDS Number: A0446 --- Effective Date: 04/09/98
Synonyms: Dimethylketone; 2-propanone; dimethylketal
CAS No.: 67-64-1
Molecular Weight: 58.08
Chemical Formula: (CH3)2CO
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2. Composition/Information on Ingredients
Ingredient CAS # Percent Hazardous?
Acetone
67-64-1
99-100%
Yes
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3. Hazards Identification
Emergency Overview
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DANGER! EXTREMELY FLAMMABLE LIQUID AND VAPOR. VAPOR MAY CAUSE
FLASH FIRE. HARMFUL IF SWALLOWED OR INHALED. CAUSES IRRITATION
TO SKIN, EYES AND RESPIRATORY TRACT. AFFECTS CENTRAL NERVOUS
SYSTEM.
J.T. Baker SAF-T-DATA(tm) Ratings (Provided here for your convenience)
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Health Rating: 1 - Slight
Flammability Rating: 4 - Extreme (Flammable)
Reactivity Rating: 2 - Moderate
Contact Rating: 1 - Slight
Lab Protective Equip: GOGGLES; LAB COAT; VENT HOOD; PROPER GLOVES; CLASS B
EXTINGUISHER
Storage Color Code: Red (Flammable)
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Potential Health Effects
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Inhalation:
Inhalation of vapors irritates the respiratory tract. May cause coughing, dizziness, dullness, and headache. Higher concentrations can produce central nervous system depression, narcosis, and unconsciousness.
Ingestion:
Swallowing small amounts is not likely to produce harmful effects. Ingestion of larger amounts may produce abdominal pain, nausea and vomiting. Aspiration into lungs can produce severe lung damage and is a medical emergency. Other symptoms are expected to parallel inhalation.
Skin Contact:
Irritating due to defatting action on skin. Causes redness, pain, drying and cracking of the skin.
Eye Contact:
Vapors are irritating to the eyes. Splashes may cause severe irritation, with stinging, tearing, redness and pain.
Chronic Exposure:
Prolonged or repeated skin contact may produce severe irritation or dermatitis.
Aggravation of Pre-existing Conditions:
Use of alcoholic beverages enhances toxic effects. Exposure may increase the toxic potential of chlorinated hydrocarbons, such as chloroform, trichloroethane.
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4. First Aid Measures
Inhalation:
Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention.
Ingestion:
Aspiration hazard. If swallowed, vomiting may occur spontaneously, but DO NOT INDUCE. If vomiting occurs, keep head below hips to prevent aspiration into lungs. Never give anything by mouth to an unconscious person. Call a physician immediately.
Skin Contact:
Immediately flush skin with plenty of water for at least 15 minutes. Remove contaminated clothing and shoes. Get medical attention. Wash clothing before reuse. Thoroughly clean shoes before reuse.
Eye Contact:
Immediately flush eyes with plenty of water for at least 15 minutes, lifting upper and lower eyelids occasionally. Get medical attention.
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5. Fire Fighting Measures
Fire:
Flash point: -20C (-4F) CC
Autoignition temperature: 465C (869F)
Flammable limits in air % by volume: lel: 2.5; uel: 12.8
Extremely Flammable Liquid and Vapor! Vapor may cause flash fire.
Explosion:
Above flash point, vapor-air mixtures are explosive within flammable limits noted above. Vapors can
flow along surfaces to distant ignition source and flash back. Contact with strong oxidizers may cause
fire. Sealed containers may rupture when heated. This material may produce a floating fire hazard.
Sensitive to static discharge.
Fire Extinguishing Media:
Dry chemical, alcohol foam or carbon dioxide. Water may be ineffective. Water spray may be used to
keep fire exposed containers cool, dilute spills to nonflammable mixtures, protect personnel attempting to
stop leak and disperse vapors.
Special Information:
In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing
apparatus with full facepiece operated in the pressure demand or other positive pressure mode.
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6. Accidental Release Measures
Ventilate area of leak or spill. Remove all sources of ignition. Wear appropriate personal protective
equipment as specified in Section 8. Isolate hazard area. Keep unnecessary and unprotected personnel
from entering. Contain and recover liquid when possible. Use non-sparking tools and equipment. Collect
liquid in an appropriate container or absorb with an inert material (e. g., vermiculite, dry sand, earth), and
place in a chemical waste container. Do not use combustible materials, such as saw dust. Do not flush to
sewer! If a leak or spill has not ignited, use water spray to disperse the vapors, to protect personnel
attempting to stop leak, and to flush spills away from exposures. US Regulations (CERCLA) require
reporting spills and releases to soil, water and air in excess of reportable quantities. The toll free number
for the US Coast Guard National Response Center is (800) 424-8802.
J. T. Baker SOLUSORB(tm) solvent adsorbent is recommended for spills of this product.
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7. Handling and Storage
Protect against physical damage. Store in a cool, dry well-ventilated location, away from any area where
the fire hazard may be acute. Outside or detached storage is preferred. Separate from incompatibles.
Containers should be bonded and grounded for transfers to avoid static sparks. Storage and use areas
should be No Smoking areas. Use non-sparking type tools and equipment, including explosion proof
ventilation. Containers of this material may be hazardous when empty since they retain product residues
(vapors, liquid); observe all warnings and precautions listed for the product.
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8. Exposure Controls/Personal Protection
Airborne Exposure Limits:
-OSHA Permissible Exposure Limit (PEL): 1000 ppm (TWA)
-ACGIH Threshold Limit Value (TLV): 500 ppm (TWA), 750 ppm (STEL) A4 - not classifiable as a human carcinogen
Ventilation System:
A system of local and/or general exhaust is recommended to keep employee exposures below the
Airborne Exposure Limits. Local exhaust ventilation is generally preferred because it can control the
emissions of the contaminant at its source, preventing dispersion of it into the general work area. Please
refer to the ACGIH document, Industrial Ventilation, A Manual of Recommended Practices, most recent
edition, for details.
Personal Respirators (NIOSH Approved):
If the exposure limit is exceeded, a half-face organic vapor respirator may be worn for up to ten times the
exposure limit or the maximum use concentration specified by the appropriate regulatory agency or
respirator supplier, whichever is lowest. A full-face piece organic vapor respirator may be worn up to 50
times the exposure limit or the maximum use concentration specified by the appropriate regulatory agency
or respirator supplier, whichever is lowest. For emergencies or instances where the exposure levels are
not known, use a full-face piece positive-pressure, air-supplied respirator. WARNING: Air-purifying
respirators do not protect workers in oxygen-deficient atmospheres.
Skin Protection:
Wear impervious protective clothing, including boots, gloves, lab coat, apron or coveralls, as
appropriate, to prevent skin contact.
Eye Protection:
Use chemical safety goggles and/or a full face shield where splashing is possible. Maintain eye wash
fountain and quick-drench facilities in work area.
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9. Physical and Chemical Properties (Acetone)
Appearance: Clear, colorless, volatile liquid.
Odor: Fragrant, mint-like
Solubility: Miscible in all proportions in water.
Density: 0.79 @ 20C/4C
pH: No information found.
% Volatiles by volume @ 21C (70F): 100%
Boiling Point: 56.5C (133F) @ 760 mm Hg
Melting Point: -95C (-139F)
Vapor Density (Air=1): 2.0
Vapor Pressure (mm Hg): 400 @ 39.5C (104F)
Evaporation Rate (n-Butyl Acetate=1): 7.7
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10. Stability and Reactivity
Stability:
Stable under ordinary conditions of use and storage.
Hazardous Decomposition Products:
Carbon dioxide and carbon monoxide may form when heated to decomposition.
Hazardous Polymerization:
Will not occur.
Incompatibilities:
Concentrated nitric and sulfuric acid mixtures, oxidizing materials, chloroform, alkalis, chlorine
compounds, acids, potassium t-butoxide.
Conditions to Avoid:
Heat, flames, ignition sources and incompatibles.
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11. Toxicological Information
Oral rat LD50: 5800 mg/kg; Inhalation rat LC50: 50,100mg/m3; Irritation eye rabbit, Standard Draize, 20
mg severe; investigated as a tumorigen, mutagen, reproductive effector.
NTP Carcinogen
Ingredient Known Anticipated IARC Category
Acetone (67-64-1)
No
No
None
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12. Ecological Information
Environmental Fate:
When released into the soil, this material is expected to readily biodegrade. When released into the soil,
this material is expected to leach into groundwater. When released into the soil, this material is expected to
quickly evaporate. When released into water, this material is expected to readily biodegrade. When
released to water, this material is expected to quickly evaporate. This material has a log octanol-water
partition coefficient of less than 3.0. This material is not expected to significantly bioaccumulate. When
released into the air, this material may be moderately degraded by reaction with photochemically produced
hydroxyl radicals. When released into the air, this material may be moderately degraded by photolysis.
When released into the air, this material is expected to be readily removed from the atmosphere by wet
deposition.
Environmental Toxicity:
This material is not expected to be toxic to aquatic life. The LC50/96-hour values for fish are over 100
mg/l.
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13. Disposal Considerations
Whatever cannot be saved for recovery or recycling should be handled as hazardous waste and sent to a
RCRA approved incinerator or disposed in a RCRA approved waste facility. Processing, use or
contamination of this product may change the waste management options. State and local disposal
regulations may differ from federal disposal regulations. Dispose of container and unused contents in
accordance with federal, state and local requirements.
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16. Other Information
NFPA Ratings: Health: 1 Flammability: 3 Reactivity: 0
Label Hazard Warning:
DANGER! EXTREMELY FLAMMABLE LIQUID AND VAPOR. VAPOR MAY CAUSE FLASH
FIRE. HARMFUL IF SWALLOWED OR INHALED. CAUSES IRRITATION TO SKIN, EYES AND
RESPIRATORY TRACT. AFFECTS CENTRAL NERVOUS SYSTEM.
Label Precautions:
Keep away from heat, sparks and flame.
Keep container closed.
Use only with adequate ventilation.
Wash thoroughly after handling.
Avoid breathing vapor.
Avoid contact with eyes, skin and clothing.
Label First Aid:
Aspiration hazard. If swallowed, vomiting may occur spontaneously, but DO NOT INDUCE. If vomiting
occurs, keep head below hips to prevent aspiration into lungs. Never give anything by mouth to an
unconscious person. Call a physician immediately. If inhaled, remove to fresh air. If not breathing, give
artificial respiration. If breathing is difficult, give oxygen. In case of contact, immediately flush eyes or
skin with plenty of water for at least 15 minutes. Remove contaminated clothing and shoes. Wash
clothing before reuse. In all cases, get medical attention.
Product Use:
Laboratory Reagent.
Revision Information:
MSDS Section(s) changed since last revision of document include: 8.
Disclaimer:
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Mallinckrodt Baker, Inc. provides the information contained herein in good faith but
makes no representation as to its comprehensiveness or accuracy. This document is
intended only as a guide to the appropriate precautionary handling of the material by a
properly trained person using this product. Individuals receiving the information must
exercise their independent judgment in determining its appropriateness for a particular
purpose. MALLINCKRODT BAKER, INC. MAKES NO REPRESENTATIONS OR
WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT
LIMITATION ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE WITH RESPECT TO THE INFORMATION SET FORTH
HEREIN OR THE PRODUCT TO WHICH THE INFORMATION REFERS.
ACCORDINGLY, MALLINCKRODT BAKER, INC. WILL NOT BE RESPONSIBLE
FOR DAMAGES RESULTING FROM USE OF OR RELIANCE UPON THIS
INFORMATION.
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Prepared by: Strategic Services Division
Phone Number: (314) 539-1600 (U.S.A.)
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