Difference between revisions of "Dithizone"

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m (Text replace - "== Authority ==" to "== Sources Checked for Data in Record ==")
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N.Odegaard, S.Carroll, W.Zimmt, ''Material Characterization Tests for Objects of Art and Archaeology'' Archetype Publications, London, 2000, p.96.
 
N.Odegaard, S.Carroll, W.Zimmt, ''Material Characterization Tests for Objects of Art and Archaeology'' Archetype Publications, London, 2000, p.96.
  
== Authority ==
+
== Sources Checked for Data in Record ==
  
 
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: entry #3395
 
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: entry #3395

Revision as of 20:50, 30 April 2016

Description

Blue-black crystalline powder used as a colorimetric reagent for the detction of Zinc in metal objects, corrosion products, and pigments (Odegaard et al 2000). Zinc reacts with dithizone to produce a pink-red residue. Dithizone also reacts with Silver (violet), Copper (dark yellow), Lead (dark red), and Mercury (orange).

Synonyms and Related Terms

diphenylthiocarbazone; phenyldiazenecarbothioic acid 2-phenylhydrazide

Chemical structure

Dithizone.jpg


Other Properties

Insoluble in water. Soluble in carbon tetrachloride, chloroform Slightly soluble in alcohols.

Composition C13H12N4S
CAS 60-10-6
Melting Point 168 (dec)
Molecular Weight mol. wt. = 256.32

Hazards and Safety

Contact may cause irritation.

Fisher Scientific: MSDS

Additional Information

N.Odegaard, S.Carroll, W.Zimmt, Material Characterization Tests for Objects of Art and Archaeology Archetype Publications, London, 2000, p.96.

Sources Checked for Data in Record

  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry #3395
  • N.Odegaard, S.Carroll, W.Zimmt, Material Characterization Tests for Objects of Art and Archaeology, Archetype Publications, London, 2000

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