Copper(II) acetylacetonate
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Copper(II) acetylacetonate
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CAS No:
13395-16-9
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Formula:
C10H14CuO4
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Chemical Name:
Copper(II) acetylacetonate
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Synonyms:
Copper,bis(2,4-pentanedionato-κO2,κO4)-,(SP-4-1)-;Copper,bis(2,4-pentanedionato)-;Copper,bis(2,4-pentanedionato-O,O′)-,(SP-4-1)-;Copper,bis(2,4-pentanedionato-κO,κO′)-,(SP-4-1)-;(SP-4-1)-Bis(2,4-pentanedionato-κO2,κO4)copper;Copper(II) acetylacetonate;Copper bis(acetylacetonate);Bis(2,4-pentanedionato)copper;Copper bis(acetylacetone);Copper diacetylacetonate;Cupric acetylacetonate;Bis(acetylacetonato)copper;Bis(acetylacetone)copper;Copper bis(2,4-pentanedionate);CD 9;Cupric bis(2,4-pentanedionate);Nacem Copper;Copper(2+) bis(acetylacetonate);Copper(II) bis(2,4-pentanedionate);Copper acetylacetonate;34371-82-9;34371-83-0;34418-24-1
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CAS No:
Characteristics
52.60000
1.91770
white crystalline powder
0.721 g/cm3
279-283 °C
160ºC (9.8 mmHg)
71.9ºC
H2O: 0.2 g/L (20 ºC)
Store in a cool, dry place. Store in a tightly closed container.
Resistant to hydrolysis; a chelating non-ionizing compound
Safety Information
NONH for all modes of transport
3
R20/21/22; R36/37/38
S26-S36/37/39
GL6520000
Xn
Stable. Incompatible with strong oxidizing agents.
P261-P305 + P351 + P338
H315-H319-H335
SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.
|Warning|H315 (88.02%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P273, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P391, P403+P233, P405, and P501|Aggregated GHS information provided by 192 companies from 10 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Permissible Exposure Limit: Table Z-1 8-hr Time Weighted Avg: 1 mg/cu m. /Copper dusts and mists (as Cu)/
Recommended Exposure Limit: 10 Hr Time-Weighted Avg: 1 mg/cu m. /Copper (dusts and mists)/
Copper(II) acetylacetonate Use and Manufacturing
Copper (11) acetylacetonate, Cu (ACAC) 2 or Cu (C5H702) 2 Copper (II) acetate monohydrate (10 g, 50.09 mmol) was dissolved in 300 mL of water in a 500 mL beaker by warming at 60°C for 15 min. To the cooled solution, 20percent aqueous solution of KOH was slowly added with constant stirring to precipitate the metal as its hydrated oxide. The addition of alkali was continued till the pH of the solution was raised to ca 8. The metal hydroxide was washed free of alkali by repeated washing with water by decantation, finally followed by filtration through Whatman No 42 filter paper and again washing twice with cold water. Then the precipitate was quantitatively transferred into a 100 mL beaker. Distilled acetylacetone (11.06mL, 110MMOL) was added to the precipitate and mixed thoroughly with a glass rod. An exothermic reaction set in leading to the formation of blue shiny crystals of Cu (acac) 2. IT was allowed to stand at room temperature for 30 min and then placed in an ice-water bath for 15 min. Compound was filtered through Whatman No. 42 filter paper and dried in vacuo over fused CaCl2. Yield: 12.49g (95.25percent) Melting Point: 279- 283°C. Chemical analyses, IR and Mass spectra of the compound match well with those reported in literature. In place of copper (II) acetate, any other soluble copper (II) salt can be used. Analytical data: The compound analyzed correctly CLOHI4CU04 : Calc. M, 261: C, 45.97 : H, 5.36 : Cu, 24.32 percent. Found: M (mass spectrum) 261: C, 45.90 : H, 5.36 : Cu, 24.33percentA yellow solution of H4L (0.30mmol, 0.068g) in dmf (6mL) was added to a turquoise solution of Cu(acac)2 (0.30mmol, 0.079g) in dmf (20mL). The immediately formed green solution was refluxed for 3h and left for slow evaporation. X-ray quality blue crystals of 3·1.5dmf were formed after 2months, which were filtered off and dried under vacuum. (Yield: 0.053g, '60percent). The solid was analyzed as solvent free. C44H56Cu4N4O18 requires: C, 44.67; H, 4.77; N, 4.73percent. Found: C, 44.49; H, 4.74; N, 4.70. FT-IR (KBr pellets, cm'1): 3553(s), 3477(s), 3414(s), 1638(s), 1617(vs), 1578(s), 1553(s), 1533(s), 1462(w), 1413(m), 1384(m), 1355(s), 1275(s), 1189(s), 1020(s), 937(s), 782(s), 684(m), 653(w), 613(s), 480(m), 455(s).
Fungicide.
Copper, bis(2,4-pentanedionato-.kappa.O2,.kappa.O4)-, (SP-4-1)-: ACTIVE
Computed Properties
Molecular Weight:263.78
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:2
Exact Mass:263.034456
Monoisotopic Mass:263.034456
Topological Polar Surface Area:74.6
Heavy Atom Count:15
Complexity:239
Undefined Bond Stereocenter Count:2
Covalently-Bonded Unit Count:3
Compound Is Canonicalized:Yes
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