Muscle cramps may be brought on by many conditions or activities, such as: 1  Exercising, injury, or overuse of muscles. 2  Pregnancy. Cramps may occur because of decreased amounts of minerals, such as calcium and magnesium, especially in the later months of pregnancy.  Exposure to cold temperatures, especially to cold water.
Butane is a colorless gas with a faint petroleum-like odor. For transportation it may be stenched. It is shipped as a liquefied gas under its vapor pressure. Contact with the liquid can cause frostbite.
What does propane and butane gas smell like? Propane and butane gas are odourless, just like natural gas. In order to detect any leaks, a strong, bad-smelling substance is added to the gas. The odour that you smell when there is a leak is comparable to rotten eggs. Back to overview.