[jwalk721]

Originally Posted by JD McGee

I'd make sure it's empty before torching it!

Here is the MSDS for acetone...check it out.
http://www.sciencelab.com/xMSDS-Acetone-9927062

excerpt...


Flammability of the Product:

Flammable.

Auto-Ignition Temperature:

465°C (869°F)

Flash Points:

CLOSED CUP: -20°C (-4°F). OPEN CUP: -9°C (15.8°F) (Cleveland).

Flammable Limits:

LOWER: 2.6% UPPER: 12.8%

Products of Combustion:

These products are carbon oxides (CO, CO2).

Fire Hazards in Presence of Various Substances:

Highly flammable in presence of open flames and sparks, of heat.

Explosion Hazards in Presence of Various Substances:

Risks of explosion of the product in presence of mechanical impact: Not available.
Slightly explosive in presence of open flames and sparks, of oxidizing materials, of acids.
Fire Fighting Media and Instructions:
Flammable liquid, soluble or dispersed in water.
SMALL FIRE: Use DRY chemical powder.
LARGE FIRE: Use alcohol foam, water spray or fog.
Special Remarks on Fire Hazards:

Vapor may travel considerable distance to source of ignition and flash back.

Special Remarks on Explosion Hazards:

Forms explosive mixtures with hydrogen peroxide, acetic acid, nitric acid, nitric acid + sulfuric acid, chromic anydride,
chromyl chloride, nitrosyl chloride, hexachloromelamine, nitrosyl perchlorate, nitryl perchlorate, permonosulfuric acid,
thiodiglycol + hydrogen peroxide, potassium ter-butoxide, sulfur dichloride, 1-methyl-1,3-butadiene, bromoform, carbon,
air, chloroform, thitriazylperchlorate.

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So you're saying I shouldn't use this barrell? I wonder what kind of cleaner would work to neutralize the acetone?