What is the flash point of #6 fuel oil?

The flash point of #6 fuel oil is approximately 140°F. This characteristic is important for safety and handling, as the flash point indicates the lowest temperature at which the vapor from the oil can ignite when exposed to an open flame. Recognizing the flash point is crucial for determining storage, transportation, and usage practices, especially in industrial and commercial applications where #6 fuel oil is commonly employed as a heating fuel. Understanding this property helps in ensuring safe operations and compliance with relevant safety regulations. The other options do not accurately reflect the typical flash point of #6 fuel oil, making 140°F the most appropriate choice.