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.
Butanediol is a chemical that is used to make floor stripper, paint thinner, and other solvent products. It's illegal to sell butanediol for use as medicine. Nevertheless, butanediol is sometimes used as a substitute for other illegal substances such as gamma butyrolactone (GBL) and gamma hydroxybutyrate (GHB). Unfortunately, butanediol is just as dangerous as GBL and GHB. Butanediol has been used to stimulate growth hormone production and muscle growth; and for bodybuilding, weight loss, and trouble sleeping (insomnia). Stimulating growth hormone production and muscle growth.