White crystalline powder used for the colorimetric detection of Chromium in metals, tanned Leather, and pigments (Odegaard et al 2000). Diphenylcarbazide gives a dark blue-violet positive reaction. Other metals, such as Cadmium, Mercury, Magnesium, Silver, Nickel, Tin, and Aluminum will also react with diphenylcarbazide.
Synonyms and Related Terms
2,2'-diphenylcarbonic dihydrazide; 1,5-diphenylcarbazide; S-diphenylcarbazide; DPC
- Degrades in light.
- May be harmful by ingestion or inhalation.
- Contact may cause irritation.
- ThermoFisher: SDS
Physical and Chemical Properties
Slightly soluble in water. Soluble in hot alcohol, acetone, glacial acetic acid
|Melting Point||168-171 C|
|Molecular Weight||mol. wt. = 242.27|
Resources and Citations
- The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 3333
- N.Odegaard, S.Carroll, W.Zimmt, Material Characterization Tests for Objects of Art and Archaeology, Archetype Publications, London, 2000, p.44.