Formic acid contains 53 g L â1 hydrogen at room temperature and atmospheric pressure. By weight, pure formic acid stores 4.3 wt% hydrogen. Pure formic acid is a liquid with a flash point 69 Â°C (cf. gasoline â40 Â°C, ethanol 13 Â°C). 85% formic acid is not flammable.
Tombstone is located in Cochise County of southeast Arizona, 70 miles southeast of Tucson, 20 miles east of the San Pedro River and 15 miles southwest of the Dragoon Mountains.
Cochise County is located in Southern Arizona in the heart of the American Southwest. Here you'll find historical locations such as Tombstone where Wyatt Earp once roamed and the famed Shootout at the OK Corral occurred or the awe-inspiring Chiricahua Mountains where outlaws once hid out in one of Southern Arizona's many sky island ranges.