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Phenylacetaldehyde

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Identification
Molecular formula
C8H8O
CAS number
122-78-1
IUPAC name
2-phenylacetaldehyde
State
State

At room temperature, phenylacetaldehyde is a liquid.

Melting point (Celsius)
-56.00
Melting point (Kelvin)
217.15
Boiling point (Celsius)
200.90
Boiling point (Kelvin)
474.05
General information
Molecular weight
120.15g/mol
Molar mass
120.1480g/mol
Density
1.0141g/cm3
Appearence

Phenylacetaldehyde is a colorless liquid with a distinctive, floral odor reminding of roses. Due to its pleasant fragrance, it is used in perfumery and as a flavoring agent.

Comment on solubility

Solubility of 2-phenylacetaldehyde

2-phenylacetaldehyde (C8H8O) demonstrates some intriguing solubility characteristics that are essential for its applications in organic chemistry and industry.

Solubility Characteristics:

  • Solvent Compatibility: It is generally soluble in organic solvents such as ethanol, ether, and chloroform.
  • Polarity: Due to the presence of a carbonyl group (C=O), 2-phenylacetaldehyde exhibits moderate polarity, which influences its solubility in various solvents.
  • Temperature Dependence: Like many organic compounds, its solubility can increase with temperature, enhancing its dissolution in the solvent.

However, it is practically insoluble in water due to its hydrophobic aromatic ring, limiting its use in aqueous environments. In summary, while 2-phenylacetaldehyde is versatile in organic solvents, its solubility in water remains a significant constraint. As chemistry enthusiasts often say, the structure is key: "The more hydrophobic the structure, the less likely it is to mingle with water."

Interesting facts

Interesting Facts About 2-Phenylacetaldehyde

2-Phenylacetaldehyde, also known as benzylacetaldehyde, is an intriguing organic compound primarily utilized in the fragrance and flavor industry. Below are some fascinating insights about this compound:

  • Natural Occurrence: It is found in various natural sources, including the essential oils of certain flowers and plants, contributing to their overall aroma.
  • Flavors and Fragrances: Due to its pleasant sweet and floral smell, 2-phenylacetaldehyde is often used in the formulation of perfumes and flavorings, enhancing the olfactory experience in consumer products.
  • Chemical Behavior: This compound possesses functional groups that allow it to undergo various chemical reactions, making it a versatile intermediate in organic synthesis.
  • Historical Use: The compound has been part of synthetic organic chemistry for decades, serving as a precursor for the production of various other aromatic compounds.
  • Health Perspectives: While generally considered safe for use in small concentrations, it is important for manufacturers to adhere to safety guidelines to ensure proper handling. For its evaluation, it has been included in safety assessments related to fragrance materials.

In conclusion, 2-phenylacetaldehyde is not only a vital compound in the world of fragrances but also an important player in organic chemistry. Its sweet aroma and versatility in synthesis make it a compound of considerable interest in both industrial and academic settings. As the famous chemist Linnaeus once said, "Nature does not always distinguish between extraordinary and the ordinary," and 2-phenylacetaldehyde is a perfect example of how something seemingly simple can have profound uses and implications in various fields.

Synonyms
phenylacetaldehyde
2-phenylacetaldehyde
122-78-1
Benzeneacetaldehyde
Hyacinthin
Phenylethanal
alpha-Tolualdehyde
2-Phenylethanal
Phenylacetic aldehyde
Oxophenylethane
alpha-Toluic aldehyde
Acetaldehyde, phenyl-
Benzylcarboxaldehyde
1-Oxo-2-phenylethane
Phenacetaldehyde
phenyl acetaldehyde
phenyl-Acetaldehyde
.alpha.-Tolualdehyde
Benzacetaldehyde
Phenylacetaldehyde (natural)
alpha-Phenylacetaldehyde
Benzenacetaldehyde
.alpha.-Toluic aldehyde
FEMA No. 2974
UNII-U8J5PLW9MR
NSC 406309
U8J5PLW9MR
EINECS 204-574-5
alpha-Tolyaldehyde
Acetaldehyde, phenyl- (8CI)
DTXSID3021483
CHEBI:16424
AI3-02175
NSC-406309
a-Tolyaldehyde
DTXCID501483
FEMA NO. 2874
CAS-122-78-1
benzeneethanal
a-Tolualdehyde
?-Tolualdehyde
2-phenylethanone
a-toluic aldehyde
Phenylacetoaldehyde
benzene acetaldehyde
a-Phenylacetaldehyde
MFCD00006993
2-phenyl-acetaldehyde
bmse000427
NCIOpen2_003602
Phenylacetaldehyde, >=90%
SCHEMBL18972
PHENYLACETALDEHYDE [MI]
PHENYLACETALDEHYDE [FCC]
CHEMBL1233464
PHENYLACETALDEHYDE [FHFI]
STR00412
Tox21_201582
Tox21_302945
NSC406309
s9357
AKOS000119316
CCG-266073
CS-W011205
DB02178
FP58018
HY-W010489
Phenylacetaldehyde, >=95%, FCC, FG
NCGC00249076-01
NCGC00256522-01
NCGC00259131-01
DB-041686
NS00013128
P0119
EN300-18996
C00601
D78329
10.14272/DTUQWGWMVIHBKE-UHFFFAOYSA-N.1
A804962
Q424998
doi:10.14272/DTUQWGWMVIHBKE-UHFFFAOYSA-N.1
F2190-0653
Z104472146
D60A2590-0A65-4BA8-A05B-D8423408535C
InChI=1/C8H8O/c9-7-6-8-4-2-1-3-5-8/h1-5,7H,6H
204-574-5