A liquid having a closed-cup flash point at or above 100°F (37. 8°C) and subdivided as follows: Class II liquids include those having a flash point at or above 100°F (37. 8°C) and below 140°F (60°C). Class IIIA liquids include those having a flash point at or above 140°F (60°C) and below 200°F (93. 4°C). Class IIIB liquids include those having flash points at or above 200°F (93. 4°C)