Some questions and answers about Acetone (part two)

1. What are fire hazards and extinguishing media for acetone?

Flammable Properties: HIGHLY FLAMMABLE LIQUID. Can of Acetone ignite at room temperature. Releases vapour that can form explosive mixture with air. Can of Acetone 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.

2. 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: Very toxic carbon monoxide, carbon dioxide; very toxic, flammable formaldehyde; corrosive acetic acid; and other chemicals.

Possibility of Hazardous Reactions: None known.

3. What are accidental 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 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. Contaminated absorbent poses the same hazard as the spilled product. Place used absorbent into suitable, covered, labelled containers for disposal. Flush spill area.

Large spills or leaks: dike spilled product to prevent runoff. Contact emergency services and manufacturer/supplier for advice.

Other Information: Report spills to local health, safety and environmental authorities, as required

4. What are the engineering controls for acetone?

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.

5. 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: butyl rubber, Barrier® (PE/PA/PE), Silver Shield/4H (PE/EVAL/PE), Trellchem HPS, Trellchem VPS, Tychem BR/LV, Tychem Responder.

Respiratory Protection: Up to 2,500 ppm: wear a NIOSH approved air-purifying respirator with an organic vapour cartridge, or, wear a NIOSH approved self-contained breathing apparatus (SCBA) or supplied air respirator.

After these introductions, I hope that you have got deeper understanding of Acetone.

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