Nickel (II) acetylacetonate

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Structural formula
Crystal structure Structural formula of nickel (II) acetylacetonate
General
Surname Nickel (II) acetylacetonate
other names
  • Ni (acac) 2
  • Nickel (II) 2,4-pentanedionate
  • Bis (acetylacetonato) nickel (II)
Molecular formula C 10 H 14 NiO 4
Brief description

light green solid

External identifiers / databases
CAS number
  • 3264-82-2
  • 14363-16-7 (dihydrate)
ECHA InfoCard 100,019,887
PubChem 5112550
ChemSpider 8010633
Wikidata Q7028230
properties
Molar mass 256.91 g mol −1
Physical state

firmly

Melting point

230 ° C (decomposition)

Vapor pressure

2.7 hPa (110 ° C)

solubility

soluble in water (4.8 g l −1 ), ethanol and toluene

safety instructions
GHS labeling of hazardous substances
07 - Warning 08 - Dangerous to health

danger

H and P phrases H: 302-317-350
P: 201-280-301 + 312 + 330-308 + 313
Toxicological data

587 mg kg −1 ( LD 50ratoral )

As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Nickel (II) acetylacetonate is a chemical compound of nickel from the group of acetylacetonates .

Extraction and presentation

Nickel (II) acetylacetonate dihydrate can be obtained by reacting nickel (II) salts with acetylacetonate in the presence of a weak base such as sodium acetate . The dihydrate can easily be converted to anhydrate in a vacuum at 50 ° C.

properties

Nickel (II) acetylacetonate.jpg

Nickel (II) acetylacetonate is a light green solid that is soluble in water, ethanol and toluene. In solution, the compound is present as a trimer.

use

Nickel (II) acetylacetonate is used as a catalyst and UV stabilizer. It is also used as a starting material for the production of nickel bis (cyclooctadiene) catalysts and is also used in the deposition of nickel (II) oxide thin films by sol-gel techniques on conductive glass substrates. It is also used in organic synthesis for the production of organometals.

Individual evidence

  1. a b c d e f data sheet nickel (II) acetylacetonate, 95% from Sigma-Aldrich , accessed on May 10, 2019 ( PDF ).
  2. a b c data sheet nickel (II) acetylacetonate (PDF) from Merck , accessed on May 10, 2019.
  3. a b c data sheet nickel (II) 2,4-pentanedionate, 95% from AlfaAesar, accessed on May 10, 2019 ( PDF )(JavaScript required) .
  4. D. Nicholls: The Chemistry of Iron, Cobalt and Nickel Comprehensive Inorganic Chemistry . Elsevier, 2013, ISBN 978-1-4831-4643-0 , pp. 1149 ( limited preview in Google Book Search).
  5. DP GRADDON, EC WATTON: Trimerization of Nickel- (II) Acetylacetonate in Solution. In: Nature. 190, 1961, p. 906, doi : 10.1038 / 190906a0 .
  6. Uglea: oligomer Technology and Applications . CRC Press, 1998, ISBN 978-0-8247-9978-6 , pp. 87 ( limited preview in Google Book search).
  7. ^ Edward W. Abel, FGA Stone: Organometallic Chemistry . Royal Society of Chemistry, 1990, ISBN 978-0-85186-671-0 , pp. 359 ( limited preview in Google Book Search).