4156. 9H-Fluorene-2,7-diamine

Nomenclature

CAS number: 525-64-4
2,7-Diaminofluorene.
C13H12N2; mol wt 196.25.
C 79.56%, H 6.16%, N 14.27%.

Description and references

Prepd by nitrating fluorene and reducing the 2,7-dinitrofluorene formed with tin and hydrochloric acid: Schmidt, Hinderer, Ber. 64, 1793 (1931).

Chemical structure

Properties

Needles from water, mp 165°. Slightly sol in cold water, more sol in hot water. Readily sol in alc.

Derivative

Hydrochloride.
C13H12N2.HCl; mol wt 232.71.
C 67.10%, H 5.63%, N 12.04%, Cl 15.23%.

Properties

Crystals, readily sol in hot water.

Use

Detection of bromide, chloride, nitrate, persulfate, cadmium, copper, cobalt, zinc.