Difference between revisions of "Dinitrophenol"
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A yellow crystalline material used in the manufacture of sulfur dyes and photographic developer. Dinitrophenol is a chromotropic [[indicator dye|pH indicator]] that is colorless below pH 2.6 and yellow above pH 4.4. It is also used as a wood preservative, an [[insecticide]], and a reagent for the detection of [[potassium]] and ammonium ions. | A yellow crystalline material used in the manufacture of sulfur dyes and photographic developer. Dinitrophenol is a chromotropic [[indicator dye|pH indicator]] that is colorless below pH 2.6 and yellow above pH 4.4. It is also used as a wood preservative, an [[insecticide]], and a reagent for the detection of [[potassium]] and ammonium ions. | ||
| − | + | [[[SliderGallery rightalign|dinitrophenol.jpg~Chemical structure]]] | |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
2,4-dinitrophenol; alpha-dinitrophenol; dinitrophenol (Fr.); Aldifen | 2,4-dinitrophenol; alpha-dinitrophenol; dinitrophenol (Fr.); Aldifen | ||
| − | + | == Risks == | |
| − | == | + | * Combustible. Explosion hazard when dry. |
| + | * Highly toxic by skin absorption, ingestion and inhalation. | ||
| + | * Millipore Sigma: [https://www.sigmaaldrich.com/US/en/product/aldrich/d198501 SDS] | ||
| + | ==Physical and Chemical Properties== | ||
Soluble in ethanol, ether, benzene and chloroform. Slightly soluble in water. | Soluble in ethanol, ether, benzene and chloroform. Slightly soluble in water. | ||
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! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 112-114 | + | | 112-114 C |
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! scope="row"| Density | ! scope="row"| Density | ||
| − | | 1.683 | + | | 1.683 g/ml |
|- | |- | ||
! 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 | * ''The Merck Index'', Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 | ||
Latest revision as of 13:41, 21 July 2022
Description
A yellow crystalline material used in the manufacture of sulfur dyes and photographic developer. Dinitrophenol is a chromotropic pH indicator that is colorless below pH 2.6 and yellow above pH 4.4. It is also used as a wood preservative, an Insecticide, and a reagent for the detection of Potassium and ammonium ions.
Synonyms and Related Terms
2,4-dinitrophenol; alpha-dinitrophenol; dinitrophenol (Fr.); Aldifen
Risks
- Combustible. Explosion hazard when dry.
- Highly toxic by skin absorption, ingestion and inhalation.
- Millipore Sigma: SDS
Physical and Chemical Properties
Soluble in ethanol, ether, benzene and chloroform. Slightly soluble in water.
| Composition | C6H3OH(NO2)2 |
|---|---|
| CAS | 51-28-5 |
| Melting Point | 112-114 C |
| Density | 1.683 g/ml |
| Molecular Weight | mol. wt.=184.11 |
Resources and Citations
- The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993