Structural Formula Vector Image
Title: Luminol
CAS Registry Number: 521-31-3
CAS Name: 5-Amino-2,3-dihydro-1,4-phthalazinedione
Additional Names: o-aminophthalylhydrazide; 3-aminophthalic hydrazide; o-aminophthaloyl hydrazide
Molecular Formula: C8H7N3O2
Molecular Weight: 177.16
Percent Composition: C 54.24%, H 3.98%, N 23.72%, O 18.06%
Literature References: Prepn from 3-nitrophthalic acid: Huntress et al., J. Am. Chem. Soc. 56, 241 (1934); Redemann, Redemann, Org. Synth. 29, 78, 8 (1949); L. Fieser, Organic Experiments (Boston, 1964) pp 240-242. Chemiluminescent: Weber, Ber. 75, 565 (1942); Weber et al., ibid. 76, 366 (1943).
Properties: Crystals, mp 319-320°. Oxidation of luminol is accompanied by a striking emission of light.
Melting point: mp 319-320°
NOTE: Not to be confused with Luminal.
Use: Detection of copper, iron, peroxides, cyanides.

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