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Write a toolbox talk on Acetone

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Safe Handling of Acetone ========================

Date: 2026-03-09

Duration: \[DURATION] minutes

Presenter: \[PRESENTER NAME]

Location: \[LOCATION]

Objective

To provide employees with the knowledge and procedures necessary for the safe handling, storage, and disposal of acetone, minimizing the risk of fire, health hazards, and environmental contamination.

Introduction

Acetone is a highly flammable and versatile solvent used in many industries. This toolbox talk will cover the key safety aspects of handling acetone, including hazard identification, control measures, proper PPE, emergency procedures, and regulatory compliance.

Hazard Identification

Acetone presents several hazards, primarily due to its flammability and potential health effects. Understanding these hazards is crucial for implementing effective control measures.

  • High Flammability: Acetone is a highly flammable liquid and vapor that can easily ignite at room temperature. Vapors can travel to ignition sources and flash back, causing fires or explosions. [1]

(Risk: High)

  • Eye Irritation: Acetone is a severe eye irritant. Contact can cause sore, red eyes, tearing, and potential corneal damage. Vapors can also irritate the eyes. [2]

(Risk: Medium)

  • Skin Irritation: Prolonged or repeated skin contact can cause mild irritation, dryness, redness, and cracking (dermatitis). Acetone can be absorbed through the skin. [2]

(Risk: Low)

  • Inhalation Hazards: Inhalation of acetone vapors can irritate the nose and throat. High concentrations can affect the nervous system, causing headache, nausea, dizziness, drowsiness, confusion, and unconsciousness. [5]

(Risk: Medium)

  • Reactivity Hazards: Acetone can react violently with oxidizing agents, organic acids, and strong reducing agents. It is incompatible with various materials, leading to potential fires or explosions. [1]

(Risk: Medium)

Control Measures

  • Eliminate Ignition Sources: Keep acetone away from open flames, sparks, hot surfaces, and static discharge. Use non-sparking tools and equipment in areas where acetone is handled or stored. Post "No Smoking" signs. [4]
  • Ensure Proper Ventilation: Use local exhaust ventilation and enclosure to control the concentration of acetone in the air. For large-scale use, employ non-sparking ventilation systems and explosion-proof equipment. [6]
  • Electrically Bond and Ground Equipment: Electrically bond and ground all containers and equipment to prevent static discharge. Ensure ground clips contact bare metal. [4]
  • Safe Storage Practices: Store acetone in a cool, well-ventilated area, away from direct sunlight, heat, and ignition sources. Keep containers tightly closed and properly labeled. [3]
  • Implement Spill Control Measures: Have spill control materials readily available, such as absorbent materials that do not react with acetone. Develop and practice spill response procedures. [1]
  • Regular Monitoring and Maintenance: Regularly inspect equipment, ventilation systems, and storage areas to ensure they are functioning correctly. Promptly address any leaks or spills.

Personal Protective Equipment (PPE) Requirements

  • Eye Protection: Wear chemical safety goggles and a face shield when there is a potential for eye contact with acetone, especially during pouring or mixing operations. [6]
  • Skin Protection: Wear chemical-resistant gloves, aprons, and boots to prevent skin contact. Suitable materials include butyl rubber, Silver Shield, and Tychem. Avoid prolonged or repeated skin contact. [6]
  • Respiratory Protection: Use appropriate respiratory protection when engineering controls are not sufficient to maintain acetone concentrations below the recommended exposure limits. Options include chemical cartridge respirators with organic vapor cartridges or supplied-air respirators. [6]

Emergency Procedures

  1. Inhalation: Move the affected person to fresh air immediately. If breathing is difficult, administer oxygen. If breathing has stopped, perform artificial respiration and seek immediate medical attention. [2]
  2. Skin Contact: Remove contaminated clothing and flush the affected area with gently flowing water for at least 5 minutes. Use soap if available. If irritation persists, seek medical attention. [2]
  3. Eye Contact: Immediately flush the contaminated eye(s) with gently flowing water for 15-20 minutes, holding the eyelid(s) open. Do not attempt to remove contact lenses. Seek immediate medical attention. [2]
  4. Spills: Evacuate the area, eliminate all ignition sources, and ventilate the area. Contain and soak up the spill with an absorbent material that does not react with acetone. Place used absorbent into suitable, labeled containers for disposal. [1]
  5. Fire: Use carbon dioxide, dry chemical powder, appropriate foam, or water spray/fog to extinguish acetone fires. Use water to keep non-leaking, fire-exposed containers cool. [1]

Questions and Answers

  • Q: What should I do if I spill acetone?

A: Immediately evacuate the area, eliminate all ignition sources, and ventilate the area. Contain the spill with an appropriate absorbent material, and dispose of the waste properly. [1]

  • Q: What type of gloves should I wear when handling acetone?

A: Wear chemical-resistant gloves made of materials such as butyl rubber, Silver Shield, or Tychem to prevent skin contact. [6]

  • Q: What are the symptoms of acetone exposure?

A: Symptoms of acetone exposure can include irritation of the nose and throat, headache, nausea, dizziness, drowsiness, confusion, and eye irritation. [5]

Summary

Recap of main points:

  • Acetone is a highly flammable liquid and vapor that can easily ignite. [1]
  • Proper ventilation, elimination of ignition sources, and electrical bonding/grounding are crucial control measures. [4]
  • Appropriate PPE, including chemical safety goggles, face shields, and chemical-resistant gloves, must be worn when handling acetone. [6]
  • In case of a spill or fire, follow established emergency procedures and seek medical attention if necessary. [1]

Report all hazards, near-misses, and incidents to your supervisor immediately.

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6 source record(s)

Sources used for this answer

[1] Acetone

Page 2

Open source document

Source excerpt

# Acetone (cont.) ## What are other names or identifying information for acetone? (cont.) According to the Commission des normes, de l'équité, de la santé et de la sécurité du travail (CNESST), acetone can be classified as: Flammable liquids - Category 2 Serious eye damage/eye irritation - Category 2A The signal word is danger. The hazard statements are: - Highly flammable liquid and vapour - Causes serious eye irritation Please note that this classification was retrieved from the CNESST site on Februrary 21, 2023 and was established by CNESST personnel to the best of their knowledge based on data obtained from scientific literature and it incorporates the criteria contained in the Hazardous Products Regulations (SOR/2015-17). It does not replace the supplier's classification which can be found on its Safety Data Sheet. ## What are the most important things to know about acetone in an emergency? Emergency Overview: Clear colourless volatile liquid. Sweet odour. HIGHLY FLAMMABLE LIQUID AND VAPOUR. Distant ignition and flashback are possible. May cause drowsiness and dizziness. IRRITANT. Causes moderate or severe eye irritation. ## What are the potential health effects of acetone? Main Routes of Exposure: Inhalation. Skin contact. Eye contact. Inhalation: Can irritate the nose and throat. At high concentrations: can harm the nervous system. Symptoms may include headache, nausea, dizziness, drowsiness and confusion. A severe exposure can cause unconsciousness. Acetone CCOHS

[2] Acetone

Page 4

Open source document

Source excerpt

# Acetone (cont.) ## What are first aid measures for acetone? (cont.) Flammable Properties: HIGHLY FLAMMABLE LIQUID. Can ignite at room temperature. Releases vapour that can form explosive mixture with air. Can be ignited by static discharge. Even dilute solutions in water may be flammable. Suitable Extinguishing Media: Carbon dioxide, dry chemical powder, appropriate foam, water spray or fog. Foam manufacturers should be consulted for recommendations regarding types of foams and application rates. Use water to keep non-leaking, fire-exposed containers cool. Specific Hazards Arising from the Chemical: Vapour may travel a considerable distance to a source of ignition and flash back to a leak or open container. Closed containers may rupture violently when heated, releasing contents. In a fire, the following hazardous materials may be generated: very toxic carbon monoxide, carbon dioxide; very toxic flammable formaldehyde; corrosive acetic acid; and other chemicals. ## What are the stability and reactivity hazards of acetone? - Chemical Stability: Normally stable. - Conditions to Avoid: Open flames, sparks, static discharge, heat and other ignition sources. Prolonged exposure to sunlight. - Incompatible Materials: Reacts violently with: oxidizing agents (e.g. peroxides), organic acids (e.g. acetic acid), strong reducing agents (e.g. hydrides). Not corrosive to: aluminum alloys, carbon steel. - Hazardous Decomposition Products: None known. - Possibility of Hazardous Reactions: None known. What are unintentional release measures for acetone? Personal Precautions: Evacuate the area immediately. Isolate the hazard area. Keep out unnecessary and unprotected personnel. Eliminate all ignition sources. Use grounded, explosion-proof equipment. Increase ventilation to the area or move leaking container to a well-ventilated and secure area. Methods for Containment and Clean-up: Contain and soak up spill with absorbent that does not react with spilled product. Cont…

[3] Acetone

Page 5

Open source document

Source excerpt

# Acetone (cont.) ## What are the stability and reactivity hazards of acetone? (cont.) Other Information: Report spills to local health, safety and environmental authorities, as required. ## What handling and storage practices should be used when working with acetone? Handling: Eliminate heat and ignition sources such as sparks, open flames, hot surfaces and static discharge. Post "No Smoking" signs. Electrically bond and ground equipment. Ground clips must contact bare metal. Do not weld, cut or perform hot work on empty container until all traces of product have been removed. Storage: Store in an area that is: cool, well-ventilated, out of direct sunlight and away from heat and ignition sources. Electrically bond and ground containers. Ground clips must contact bare metal. Install pressure and vacuum-relief venting in all drums. Equip storage tank vents with a flame arrestor. ## What is the American Conference of Governmental Industrial Hygienists (ACGIH®) recommended exposure limit for acetone? ACGIH® TLV® - TWA: 250 ppm. A4 BEI® ACGIH® TLV® - STEL [C]: 500 ppm Exposure Guideline Comments: TLV® = Threshold Limit Value. TWA = Time-Weighted Average. A4 = Not classifiable as a human carcinogen. BEI® = Biological Exposure Index. STEL = Short-term Exposure Limit. C = Ceiling limit. Adapted from: 2022TLVs® and BEls® - Threshold Limit Values for Chemical Substances and Physical Agents and Biological Exposure Indices. Cincinnati: American Conference of Governmental Industrial Hygienists (ACGIH) NOTE: In many (but not all) Canadian jurisdictions, the exposure limits are similar to the ACGIH® TLVs®. Since legislation varies by jurisdiction, contact your local jurisdiction for exact details. A list is available in the OSH Answers on Canadian Governmental Occupational Health & Safety Departments. A list of which acts and regulations that cover exposure limits to chemical and biological agents is available on our website. Please note that while you can see the lis…

[4] Acetone

Page 3

Open source document

Source excerpt

# Acetone (cont.) ## What are the potential health effects of acetone? (cont.) - Skin Contact: May cause mild irritation. Can be absorbed through the skin, but harmful effects are not expected. - Eye Contact: EYE IRRITANT. Causes moderate to severe irritation. Symptoms include sore, red eyes, and tearing. The vapour also irritates the eyes. - Ingestion: Not harmful. If large amounts are ingested: Can cause effects as described for inhalation. - Effects of Long-Term (Chronic) Exposure: Can cause dry, red, cracked skin (dermatitis) following skin contact. May harm the nervous system. Conclusions cannot be drawn from the limited studies available. - Carcinogenicity: Not known to cause cancer. - International Agency for Research on Cancer (IARC): Not specifically evaluated. - American Conference for Governmental Industrial Hygienists (ACGIH): A4 - Not classifiable as a human carcinogen. - Teratogenicity / Embryotoxicity: Not known to harm the unborn child. - Reproductive Toxicity: Not known to be a reproductive hazard. - Mutagenicity: Not known to be a mutagen ## What are first aid measures for acetone? Inhalation: Take precautions to prevent a fire (e.g. remove sources of ignition). Move victim to fresh air. If breathing has stopped, perform artificial respiration. Get medical attention as soon as possible. Skin Contact: Take off contaminated clothing, shoes, and leather goods (e.g., watchbands, belts). Flush with gently flowing water for 5 minutes. Use soap if available. If irritation or pain persists, get medical attention. Thoroughly clean clothing, shoes and leather goods before reuse or dispose of safely. Eye Contact: Immediately flush the contaminated eye(s) with gently flowing water for 15-20 minutes while holding the eyelid(s) open. If a contact lens is present, DO NOT delay flushing or attempt to remove the lens. Take care not to rinse contaminated water into the unaffected eye or onto the face. Get medical attention immediately. Inge…

[5] Acetone

Page 6

Open source document

Source excerpt

# Acetone (cont.) ## What is the American Conference of Governmental Industrial Hygienists (ACGIH®) recommended exposure limit for acetone? (cont.) Engineering Controls: Use a local exhaust ventilation and enclosure, if necessary, to control amount in the air. For large scale use of this product: use non-sparking ventilation systems, approved explosion-proof equipment and intrinsically safe electrical systems in areas where this product is used and stored. Exhaust directly to the outside, taking any necessary precautions for environmental protection. ## What Personal Protective Equipment (PPE) is needed when working with acetone? Eye/Face Protection: Wear chemical safety goggles and face shield when contact is possible. Skin Protection: Avoid repeated or prolonged skin contact. Wear chemical protective clothing e.g., gloves, aprons, boots. Suitable materials include (8 hours): butyl rubber, AlphaTec® (02- 100, 4000, EVO, and VPS) Kemblok®, Silver Shield® - PE/EVAL/PE, Chemprotex® 300, ChemMAX® (3 and 4 Plus), Frontline® 500, Tychem® (5000, 6000, 6000 FR, 9000, Responder® CSM, [redacted postal code], and [redacted postal code] FR), Zytron® (300 and 500) ## Respiratory Protection: Up to 2500 ppm: (APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)*; or Any supplied- air respirator*. (APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)*. (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister; or Any self-contained breathing apparatus with a full facepiece. *Reported to cause eye irritation or damage; may require eye protection. APF = Assigned Protection Factor Recommendations apply only to National Institute for Occupational Safety and Health (NIOSH) approved respirators. Refer to the NIOSH Pocket Guide to Chemical Hazards for more information. Fact sheet last revised: 2023-02-10 ## Disclaimer Although every effort is made to e…

[6] Safety Data Sheet - Acetone

Page 4

Open source document

Source excerpt

# SAFETY DATA SHEET (cont.) ## SECTION 5: Firefighting measures (cont.) 5.4 Further information Remove container from danger zone and cool with water. Prevent fire extinguishing water from contaminating surface water or the ground water system. ## SECTION 6: Accidental release measures - 6.1 Personal precautions, protective equipment and emergency procedures Advice for non-emergency personnel: Do not breathe vapors, aerosols. Avoid substance contact. Ensure adequate ventilation. Keep away from heat and sources of ignition. Evacuate the danger area, observe emergency procedures, consult an expert. For personal protection see section 8. - 6.2 Environmental precautions - Do not let product enter drains. Risk of explosion. - 6.3 Methods and materials for containment and cleaning up Cover drains. Collect, bind, and pump off spills. Observe possible material restrictions (see sections 7 and 10). Take up with liquid-absorbent material (e.g. Chemizorb® ). Dispose of properly. Clean up affected area. - 6.4 Reference to other sections - For disposal see section 13. ## SECTION 7: Handling and storage - 7.1 Precautions for safe handling - Advice on safe handling - Work under hood. Do not inhale substance/mixture. Avoid generation of vapours/aerosols. - Advice on protection against fire and explosion Keep away from open flames, hot surfaces and sources of ignition. Take precautionary measures against static discharge. - Hygiene measures Change contaminated clothing. Preventive skin protection recommended. Wash hands after working with substance. For precautions see section 2.2. - 7.2 Conditions for safe storage, including any incompatibilities - Storage conditions - Keep container tightly closed in a dry and well-ventilated place. Keep away from heat and sources of ignition. - Storage class - Storage class (TRGS 510): 3: Flammable liquids - 7.3 Specific end use(s) - Apart from the uses mentioned in section 1.2 no other specific uses are stipulate…

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