In a dream, sulfur represents a liar or tainted money. If used as a fuel for cooking in a dream, sulfur then means guidance, benefits and dispelling worries, or distress, because it burns quickly and its smoke dissipates fast.
Dream dictionary: Sulfur dream meanings
…To see sulfur, when you are dreaming, has the symbolic significance of the observation and the concentration to the details. Sulfur in the dream represents higher level of thinking about something in a logical way. Maybe you don’t trust your competencies and that shows up in your dream. Maybe your subconscious is telling you to trust yourself more. Your intuition and rationality is good state, because of that you should have more self-confidence….
If you dream of the sulfur, then such dream indicates your high intuition which should not be latten down. Trust your sixth sense and everything will go according to plan.
Sulfur is a symbol of purification. Seeing or smelling it in dreams should dispel your jealousy.
Dreaming of sulfur is a sign of purity. This can mean that you have gotten out of a particularly bad period and that things are going to improve from now on.