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Chromium(III) acetylacetonate

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Chromium(III) acetylacetonate Basic information

Product Name:
Chromium(III) acetylacetonate
Synonyms:
  • ACETYLACETONE CHROMIUM(+3)
  • ACETYLACETONE, CHROMIUM(III) DERIVATIVE
  • ACETYLACETONE CHROMIUM(III) SALT
  • 2,4-PENTANEDIONE CHROMIUM SALT
  • Chromium 2,4-pentanedionate, 97.5+%
  • CHROMIUM(III) AA
  • CHROMIUM(III) 2,4-PENTANEDIONATE
  • CHROMIUM(III) ACETYLACETONATE
CAS:
21679-31-2
MF:
C15H21CrO6
MW:
349.32
EINECS:
244-526-0
Product Categories:
  • metal beta-diketonate complexes
  • Pharmaceutical Intermediates
  • Organometallics
  • Catalysts for Organic Synthesis
  • Classes of Metal Compounds
  • Cr (Chromium) Compounds
  • Homogeneous Catalysts
  • Metal Complexes
  • Synthetic Organic Chemistry
  • Transition Metal Compounds
Mol File:
21679-31-2.mol
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Chromium(III) acetylacetonate Chemical Properties

Melting point:
210 °C(lit.)
Boiling point:
340 °C(lit.)
Density 
1,35 g/cm3
Flash point:
>200°C
storage temp. 
Store below +30°C.
solubility 
11g/l
form 
Crystalline Powder, Crystals, and/or Chunks
color 
Purple to maroon
Specific Gravity
1.35
PH
6 (1g/l, H2O, 20℃)
Water Solubility 
11 g/L (20 ºC)
Hydrolytic Sensitivity
1: no significant reaction with aqueous systems
BRN 
4148971
NIST Chemistry Reference
Chromium, tris(2,4-pentanedionato-o,o')-(21679-31-2)
EPA Substance Registry System
Chromium(III) acetylacetonate (21679-31-2)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
22-26-36-37/39
WGK Germany 
2
RTECS 
GB7575000
TSCA 
Yes
HS Code 
29420000
Toxicity
LD50 orally in Rabbit: 3360 mg/kg LD50 dermal Rabbit 6350 mg/kg

MSDS

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Chromium(III) acetylacetonate Usage And Synthesis

Chemical Properties

PURPLE CRYSTALLINE POWDER

Safety Profile

Moderately toxic by ingestion. Mildly toxic by s h contact. When heated to decomposition it emits acrid smoke and irritating fumes. See also CHROMIUM COMPOUNDS.

Purification Methods

Purify it by dissolving 6g in hot *C6H6 (20mL) and adding 75mL of pet ether slowly. Cool to room temperature then chill on ice, filter off and dry in air to give 2.9g. It also crystallises from EtOH. It is soluble in heptane, *C6H6, toluene and pentane-2,4-dione at 20-40o. It forms a 1:2 complex with CHCl3. [Fernelius & Blanch Inorg Synth V 130 1957, Steinbach & Burns J Am Chem Soc 80 1839 1958, Beilstein 1 H 782, 1 II 836, 1 IV 3673.]

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