What is the flash point of iso-Hexane?
Official USCG Answer & Rule Citation
Correct Answer: Option C — -10°Fahrenheit
Iso-hexane is a volatile aliphatic hydrocarbon with a low closed-cup flash point of -10°F (-23°C). Deck officers must treat vapors as highly flammable and maintain rigorous ignition source control during transfer operations in accordance with 46 CFR.
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