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.
Prescott, Arizona Details. Known as âEveryoneâs Home Town,â Prescott is located in Arizonaâs mountains at 5,000 feet above sea level. It is located 95 miles north of Phoenix and 90 miles southwest of Flagstaff. It was established in 1864 and incorporated in 1881.