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Acetate

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Identification
Molecular formula
C2H3O2-
CAS number
71-50-1
IUPAC name
acetate
State
State

At room temperature, acetate salts are generally solids and are widely used due to their solubility in water. They often dissociate in aqueous solutions.

Melting point (Celsius)
58.00
Melting point (Kelvin)
331.15
Boiling point (Celsius)
160.00
Boiling point (Kelvin)
433.15
General information
Molecular weight
59.04g/mol
Molar mass
59.0440g/mol
Density
1.0500g/cm3
Appearence

Acetates, commonly available as salts, can appear as white or slightly off-white crystalline solids. The appearance might vary slightly depending on the specific acetate compound in question (e.g., sodium acetate, potassium acetate) due to different cations but they typically present in a dry, powdery form. In aqueous solutions, they form clear, colorless liquids.

Comment on solubility

Solubility of Acetate (C2H3O2-)

Acetate is known for its notable solubility characteristics, primarily due to its ionic nature. As a salt of acetic acid, acetate is soluble in various polar solvents, which enhances its applications in both laboratory and industrial settings. Here are some key points regarding the solubility of acetate:

  • Water Solubility: Acetate is highly soluble in water, making it a common component in aqueous solutions.
  • Polar Organic Solvents: It is also soluble in polar organic solvents such as methanol and ethanol.
  • Temperature Dependence: Solubility can be influenced by temperature; typically, higher temperatures improve solubility rates.
  • Concentration Effects: The overall solubility can vary with concentration, demonstrating different behaviors in dilute versus concentrated solutions.

As stated, "the solubility of acetates in water is attributed to their ability to form hydrogen bonds with water molecules," which significantly increases their dissolution capacity. This property also makes acetates useful in biochemical processes, as they often serve as intermediates in metabolism and physiological functions.

In summary, the solubility of acetate is a crucial factor in its functionality, and its aqueous and organic solubility allows it to play versatile roles across various scientific domains.

Interesting facts

Interesting Facts about Acetate

Acetate, with its chemical formula C2H3O2-, is a fascinating anion derived from acetic acid. This compound holds a prominent place in both chemistry and biochemistry due to its versatility and utility.

Chemical Significance

  • Precursor in Metabolism: Acetate plays a crucial role in metabolic pathways, particularly in the synthesis of fatty acids and cholesterol. It serves as a substrate in various biochemical reactions.
  • Buffer Systems: In biological systems, acetate acts as a significant buffer, helping to maintain pH levels in various environments, especially in cellular metabolism.
  • Synthesis of Esters: Acetate is a key player in the synthesis of esters, which are widely used in food flavorings and fragrances, showcasing its importance in organic chemistry.

Applications

  • Food Industry: Acetates, such as sodium acetate, are used as preservatives and flavor enhancers in food products.
  • Textile and Paper Industry: Acetate fibers, derived from cellulose acetate, are employed in the production of fabrics and photographic film.
  • Pharmaceuticals: Many pharmaceutical compounds utilize acetate in their structure, which can impact drug solubility and bioavailability.

Fun Fact

Did you know that acetate is also present in vinegar? It is responsible for the characteristic sour taste and aroma. The presence of acetic acid in vinegar means that acetate is continuously being formed and broken down, making it a dynamic component in this common kitchen ingredient.

In conclusion, acetate is a small but mighty compound that bridges numerous fields within chemistry, making it an essential topic of study for aspiring chemists and seasoned scientists alike!

Synonyms
acetate
Acetate Ion
Acetic acid, ion(1-)
71-50-1
Acetate ions
ethanoate
Acetate anion
Acetoxy ion
Acetate ion (1-)
Azetat
Acetic acid anion
MeCO2 anion
UNII-569DQM74SC
569DQM74SC
CH3-COO(-)
DTXSID1037694
CHEBI:30089
Ethanoat
Shotgun
Acetate Standard: CH3CO2- @ 1000 microg/mL in H2O
monoacetate
CHEMBL1354
(C2 H3 O)2-
racemic acetate
acetyl hydroxide
Acetic cid glacial
ACETATE [VANDF]
63 - Acetate & Iodide
100 - Acetate and Iodide
Acetate Standard: CH3CO2- @ 10000 microg/mL in H2O
DTXCID9017694
BDBM50159793
CMC_13391
STL282721
AKOS022101130
DB14511
Acetate - CH3CO2(-) @1000microg/mL
NS00114706
Q9154808