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.
Frontier Town, Cave Creek Arizona Frontier Town 2017-04-06T11:03:08+00:00. Frontier Town, located in the heart of Cave Creek, will take you back in time. Walking through main street in the old western town youâll see a gallows and boot hill cemetery. Find a special gift at one of the shops.