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Acetylacetone

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Identification
Molecular formula
C5H8O2
CAS number
123-54-6
IUPAC name
acetyl acetate
State
State

At room temperature, acetylacetone is a liquid. It is volatile with a distinctive odor, making it easily recognizable in its liquid state.

Melting point (Celsius)
-23.00
Melting point (Kelvin)
250.15
Boiling point (Celsius)
140.00
Boiling point (Kelvin)
413.15
General information
Molecular weight
100.12g/mol
Molar mass
100.1140g/mol
Density
0.9755g/cm3
Appearence

Acetylacetone appears as a colorless to pale yellow liquid. It is characterized by a distinct fragrance that can be described as reminiscent of peppermint or camphor. It is also capable of forming chelate complexes with metal ions, giving it unique applications in coordination chemistry.

Comment on solubility

Solubility of Acetyl Acetate

Acetyl acetate, also known as ethyl acetate or acetic acid ethyl ester, is a versatile solvent that exhibits notable solubility characteristics. Here are some key points regarding its solubility:

  • Highly Soluble in Polar Solvents: Acetyl acetate is very soluble in polar organic solvents such as water and alcohols. Its ability to mix freely with these solvents makes it ideal for various applications in chemistry.
  • Limited Solubility in Non-Polar Solvents: While it dissolves well in polar solvents, it shows limited solubility in completely non-polar solvents like hexane and benzene.
  • Temperature Dependence: The solubility of acetyl acetate can vary with temperature; increasing temperature generally enhances its solubility in water.

To quote experts, "The ability of acetyl acetate to dissolve in a variety of solvents expands its utility in industrial and laboratory settings." This characteristic is vital not only for chemical reactions but also for processes like extraction and purification.

In summary, acetyl acetate's solubility profile is crucial for its applications, particularly in organic synthesis and as a solvent in paint formulations and coatings. Thus, understanding its solubility can significantly impact its effective use in various chemical processes.

Interesting facts

Interesting Facts About Acetyl Acetate

Acetyl acetate, also known as ethyl acetate, is a fascinating compound with a variety of applications in both industrial and laboratory settings. Here are some interesting points to consider:

  • Versatile Solvent: Acetyl acetate is widely recognized for its use as a solvent in paints, coatings, and adhesives due to its ability to dissolve a variety of organic compounds.
  • Biological Importance: It plays a crucial role in metabolic pathways, as it is an intermediate in the synthesis of many biomolecules, including some amino acids and fatty acids.
  • Flavor and Fragrance: With its fruity aroma, acetyl acetate is often used in the food and fragrance industry. It can impart a sweet flavor reminiscent of fruits, making it popular in food additives.
  • Widely Used in Organic Synthesis: This compound serves as a key reagent in organic synthesis, particularly in the formation of esters and other derivatives. Its reactivity is appreciated in building complex molecules.
  • Safe Handling: Although it is relatively low in toxicity, proper laboratory safety protocols should be observed when using acetyl acetate, including the use of gloves and goggles.

In summary, acetyl acetate is not just a chemical compound but a valuable tool in many scientific fields. As scientists and students explore its properties and applications, they continue to uncover its potential to solve various challenges in research, industry, and everyday life.
The balance of functionality and safety makes acetyl acetate a compound worth studying further!

Synonyms
ACETIC ANHYDRIDE
Acetyl acetate
108-24-7
Acetanhydride
Ethanoic anhydride
Acetyl anhydride
Acetic acid, anhydride
Acetyl oxide
acetic acid anhydride
Acetic oxide
Acetyl ether
Anhydride acetique
Anidride acetica
Octowy bezwodnik
Azijnzuuranhydride
Essigsaeureanhydrid
Ethanoic anhydrate
Anhydrid kyseliny octove
Ac2O
ethanoyl ethanoate
(CH3CO)2O
Caswell No. 003A
HSDB 233
CCRIS 688
Acetic acid, 1,1'-anhydride
EINECS 203-564-8
UNII-2E48G1QI9Q
EPA Pesticide Chemical Code 044007
BRN 0385737
2E48G1QI9Q
DTXSID0024395
CHEBI:36610
Acetic anhydride-1,1'-13C2,d6
(MeCO)2O
DTXCID704395
EC 203-564-8
4-02-00-00386 (Beilstein Handbook Reference)
MFCD00008705
285977-77-7
285977-78-8
ACETIC ANHYDRIDE (II)
ACETIC ANHYDRIDE [II]
Acetic anhydride-1,1-13C2
Octowy bezwodnik [Polish]
Azijnzuuranhydride [Dutch]
Anidride acetica [Italian]
Anhydride acetique [French]
Essigsaeureanhydrid [German]
Anhydrid kyseliny octove [Czech]
UN1715
ACETIC ANHYDRIDE (1,1'-13C2, 99%)
acetanhydrid
aceticanhydride
acetic anhydrid
actic anhydride
diacetyl oxide
acetic-anhydride
acetic, anhydride
AcOAc
Acetyltrimethyl-Silane
acetic acetic anhydride
Acetic anhydride [UN1715] [Corrosive]
acetic acid acetyl ester
SCHEMBL523
Acetic anhydride ACS grade
acetic acid-acetic anhydride
(Ac)2O
Acetic anhydride, >=99%
Acetic anhydride, 99.5%
Pesticide Code: 044007
MLS002454384
ACETIC ANHYDRIDE [MI]
Acetic anhydride, ACS, 97%
ACETIC ANHYDRIDE [HSDB]
CHEMBL1305819
HMS3039J03
BCP20665
QDA98078
RAA64949
Acetic anhydride, JIS special grade
ACETIC ANHYDRIDE-13C4, D6
Tox21_200278
STL264203
AKOS015915487
UN 1715
NCGC00091802-01
NCGC00091802-02
NCGC00257832-01
ACETIC ANHYDRIDE (1,1'-13C2)
Acetic anhydride, reagent grade, >=98%
BP-24367
BP-31054
CAS-108-24-7
SMR001372001
Acetic anhydride [UN1715] [Corrosive]
Acetic anhydride, ACS reagent, >=98.0%
Acetic anhydride, ReagentPlus(R), >=99%
A1668
A2036
NS00004253
Acetic anhydride, p.a., ACS reagent, 97.0%
Acetic anhydride, SAJ first grade, >=93.0%
A801828
Acetic anhydride, Lonza quality, >=99.5% (GC)
Q407775
Acetic anhydride, for GC derivatization, >=99.0%
ACETIC ANHYDRIDE (13C4, 99%; D6, 98%)
InChI=1/C4H6O3/c1-3(5)7-4(2)6/h1-2H
Acetic anhydride, p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 99.0%
Acetic anhydride, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., >=99% (GC)
203-564-8
Capping B1 (40 % acetic anhydride in acetonitrile, for AKTA oligopilottrade mark) NC-0806, GL45 thread emp Biotech GmbH