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.
John Harris Behan (October 24, 1844 â June 7, 1912) was from April 1881 to November 1882 sheriff of Cochise County, Arizona Territory. Behan was appointed the first sheriff of the newly-created county in February 1881. The mining boomtown of Tombstone was the new county seat and Behan's headquarters.