Difference between revisions of "Dimethylglyoxime"
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Transparent triclinic crystals used in a colorimetric reagent to detect trace amounts of [[nickel]], [[copper]], [[cobalt]], or [[bismuth]] (Odegaard et al 2000). Dimethylglyoxime reacts with soluble nickel to produce a bright red precipitate. Copper produces a blue precipitate, cobalt gives a brown, and bismuth forms a bright yellow. | Transparent triclinic crystals used in a colorimetric reagent to detect trace amounts of [[nickel]], [[copper]], [[cobalt]], or [[bismuth]] (Odegaard et al 2000). Dimethylglyoxime reacts with soluble nickel to produce a bright red precipitate. Copper produces a blue precipitate, cobalt gives a brown, and bismuth forms a bright yellow. | ||
| − | + | [[[SliderGallery rightalign|dimethylglyoxime.jpg~Chemical structure]]] | |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
2,3-butanedionedioxime; 2,3-diisonitrosobutane; diacetyldioxime | 2,3-butanedionedioxime; 2,3-diisonitrosobutane; diacetyldioxime | ||
| − | + | == Risks == | |
| − | == | + | * Harmful by ingestion. |
| + | * Contact may cause irritation. | ||
| + | * Fisher Scientific; [https://beta-static.fishersci.com/content/dam/fishersci/en_US/documents/programs/education/regulatory-documents/sds/chemicals/chemicals-d/S25301.pdf SDS] | ||
| + | ==Physical and Chemical Properties== | ||
Insoluble in water. Soluble in alcohol, ether, pyridine, acetone. | Insoluble in water. Soluble in alcohol, ether, pyridine, acetone. | ||
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! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 238-240 | + | | 238-240 C |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
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| − | == | + | ==Resources and Citations== |
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* ''The Merck Index'', Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 3240 | * ''The Merck Index'', Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 3240 | ||
| − | * N.Odegaard, S.Carroll, W.Zimmt, ''Material Characterization Tests for Objects of Art and Archaeology'', Archetype Publications, London, 2000 | + | * N.Odegaard, S.Carroll, W.Zimmt, ''Material Characterization Tests for Objects of Art and Archaeology'', Archetype Publications, London, 2000, p.80. |
* ''CRC Handbook of Chemistry and Physics'', Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: Solution (0.01N): Dissolve 0.6 g dimethylglyoxime in 500 ml of 95% ethyl alcohol. | * ''CRC Handbook of Chemistry and Physics'', Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: Solution (0.01N): Dissolve 0.6 g dimethylglyoxime in 500 ml of 95% ethyl alcohol. | ||
Latest revision as of 13:09, 21 July 2022
Description
Transparent triclinic crystals used in a colorimetric reagent to detect trace amounts of Nickel, Copper, Cobalt, or Bismuth (Odegaard et al 2000). Dimethylglyoxime reacts with soluble nickel to produce a bright red precipitate. Copper produces a blue precipitate, cobalt gives a brown, and bismuth forms a bright yellow.
Synonyms and Related Terms
2,3-butanedionedioxime; 2,3-diisonitrosobutane; diacetyldioxime
Risks
- Harmful by ingestion.
- Contact may cause irritation.
- Fisher Scientific; SDS
Physical and Chemical Properties
Insoluble in water. Soluble in alcohol, ether, pyridine, acetone.
Solution (0.01N): Dissolve 0.6 g dimethylglyoxime in 500 ml of 95% ethyl alcohol.
| Composition | C4H8N2O2 |
|---|---|
| CAS | 95-45-4 |
| Melting Point | 238-240 C |
| Molecular Weight | mol. wt. = 116.12 |
Resources and Citations
- The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 3240
- N.Odegaard, S.Carroll, W.Zimmt, Material Characterization Tests for Objects of Art and Archaeology, Archetype Publications, London, 2000, p.80.
- CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: Solution (0.01N): Dissolve 0.6 g dimethylglyoxime in 500 ml of 95% ethyl alcohol.
- Sigma Dyes, Stains and Natural Pigments, Infrared Library, Nicolet, 1991-1995 Comment: OMNIC: formula= C4H8N2O2, CAS= 95-45-4