Copper nitrate: Difference between revisions
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== Description == | == Description == | ||
Large green blue, deliquescent crystals. Copper nitrate is used to colorize metals. It gives a blackened, or antique, look to [[copper]] and turns [[zinc]] brown. Additionally it is used to brighten [[aluminum]] and burnish [[iron]]. Copper nitrate is used as a mordant and oxidizing agent in textile dyeing. It is used as a pigment for [[glass]], [[enamel, inorganic|enamels]], and [[ceramic|ceramics]]. Because of its toxicity, it is also used as a [[fungicide]], and wood preservative. | Large green blue, deliquescent crystals made synthetically by treating coper metal or oxide with nitric acid. Copper nitrate is most often used to colorize metals. It gives a blackened, or antique, look to [[copper]] and turns [[zinc]] brown. Additionally, it is used to brighten [[aluminum]] and burnish [[iron]]. Copper nitrate is used as a mordant and oxidizing agent in textile dyeing. It is used as a pigment for [[glass]], [[enamel, inorganic|enamels]], and [[ceramic|ceramics]]. Because of its toxicity, it is also used as a [[fungicide]], and wood preservative. | ||
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Latest revision as of 11:01, 12 March 2025
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Description
Large green blue, deliquescent crystals made synthetically by treating coper metal or oxide with nitric acid. Copper nitrate is most often used to colorize metals. It gives a blackened, or antique, look to copper and turns zinc brown. Additionally, it is used to brighten aluminum and burnish iron. Copper nitrate is used as a mordant and oxidizing agent in textile dyeing. It is used as a pigment for glass, enamels, and ceramics. Because of its toxicity, it is also used as a fungicide, and wood preservative.
Synonyms and Related Terms
copper (II) nitrate; cupric nitrate;
Risks
- Toxic by ingestion and inhalation.
- Skin contact causes irritation.
- Strongly oxidizing - contact with organic materials may cause combustion or explosion.
- ThermoFisher: SDS
Physical and Chemical Properties
- Composition = Cu(NO3)2 (mol. wt. = 187.56)
- CAS = 3521-23-8
- Melting Point = 255-256 C
- Density = 2.32 g/ml
- Soluble in water, ethyl acetate, dioxane, ether, ethanol.
- Deliquescent, orthorhombic crystals.
Resources and Citations
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 2710
- Wikipedia: Copper(II) nitrate Accessed March 2025