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Furfural

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Identification
Molecular formula
C5H4O2
CAS number
98-01-1
IUPAC name
furan-2-carbaldehyde
State
State

At room temperature, furfural is a liquid. It is well known for its distinctive characteristic odor and is used in a variety of chemical manufacturing processes.

Melting point (Celsius)
-36.50
Melting point (Kelvin)
236.65
Boiling point (Celsius)
162.00
Boiling point (Kelvin)
435.15
General information
Molecular weight
96.09g/mol
Molar mass
96.0850g/mol
Density
1.1590g/cm3
Appearence

Furfural is a colorless oily liquid, which upon exposure to air becomes yellow to dark brown. It has an aromatic almond or bread-like odor.

Comment on solubility

Solubility of Furan-2-carbaldehyde

Furan-2-carbaldehyde, commonly known as 2-furaldehyde, is a heterocyclic organic compound that exhibits intriguing solubility characteristics. Its solubility profile can be described as follows:

  • Solvent Compatibility: Furan-2-carbaldehyde is soluble in water thanks to its polar carbonyl group, which enhances its interaction with water molecules.
  • Non-Polar Solvents: The compound is also soluble in organic solvents such as ethanol, acetone, and ether, owing to its non-polar furan ring structure.
  • Temperature Dependency: Its solubility can vary with temperature; generally, an increase in temperature leads to an increase in solubility in both water and organic solvents.

Overall, 2-furaldehyde's solubility is a result of its structural properties which allow it to engage effectively with both polar and non-polar solvents. This versatility makes it a significant compound in both synthetic and industrial applications.

Interesting facts

Interesting Facts About Furan-2-carbaldehyde

Furan-2-carbaldehyde, also known as 2-formylfuran, is a captivating organic compound that plays a significant role in various chemical and industrial processes. This compound belongs to the class of furans and is recognized for its aromatic properties and reactivity.

Key Characteristics

  • Versatile Building Block: Furan-2-carbaldehyde serves as a versatile building block in organic synthesis, enabling the formation of various biologically active compounds and pharmaceuticals.
  • Flavor and Fragrance: Its unique aroma gives it applications in the food industry as a flavoring agent. It is also utilized in the manufacture of perfumes and fragrance products.
  • Biological Significance: Research has indicated that furan-2-carbaldehyde possesses notable biological activities,including antiseptic and antioxidant properties, making it of interest to medicinal chemistry.

Interesting Applications

  1. Synthetic Pathways: Furan-2-carbaldehyde is often involved in the synthesis of heterocyclic compounds, including pyrroles and other nitrogen-containing heterocycles, which have essential roles in drug discovery.
  2. Perfume Industry: Its distinct odor profile has led to its use in the creation of certain scents, helping to shape the fragrance industry.
  3. Research Tool: Chemists often explore its reactivity in studies of electrophilic aromatic substitution, contributing valuable insights into reaction mechanisms.

In conclusion, furan-2-carbaldehyde is a fascinating compound that bridges the gap between aromatic chemistry and practical applications in industries ranging from pharmaceuticals to food science. As research evolves, the potential uses and biological implications of this compound continue to expand, highlighting its importance in both academic and commercial arenas.

Synonyms
FURFURAL
2-Furaldehyde
furan-2-carbaldehyde
98-01-1
2-Furancarboxaldehyde
Furaldehyde
Furfuraldehyde
Fural
2-Formylfuran
2-Furanaldehyde
2-Furancarbonal
Furancarbonal
Furfurole
2-Furfural
Furfurylaldehyde
2-Furfuraldehyde
Pyromucic aldehyde
Furale
Furole
Furol
2-Furylaldehyde
2-Furylcarboxaldehyde
2-Furyl-methanal
Furfurale
Furyl-methanal
2-Furylmethanal
2-Furil-metanale
Furan-2-carboxaldehyde
2-furancarbaldehyde
Quakeral
Fufural
alpha-Furole
2-Formylofuran
2-Formyl furan
2-Furankarbaldehyd
Nci-C56177
alpha-Furfuraldehyde
Furfural (natural)
Rcra waste number U125
Furaldehydes
Caswell No. 466
FEMA No. 2489
furan-2-aldehyde
NSC 8841
CCRIS 1044
HSDB 542
CHEBI:34768
UNII-DJ1HGI319P
.alpha.-Furole
EINECS 202-627-7
DJ1HGI319P
MFCD00003229
EPA Pesticide Chemical Code 043301
BRN 0105755
2-furancarboxyaldehyde
DTXSID1020647
AI3-04466
NSC-8841
DTXCID50647
EC 202-627-7
5-17-09-00292 (Beilstein Handbook Reference)
NCGC00091328-01
FURFURAL (IARC)
FURFURAL [IARC]
Furfurale [Italian]
2-Formylofuran [Polish]
2-Furankarbaldehyd [Czech]
CAS-98-01-1
2-Furil-metanale [Italian]
RCRA waste no. U125
Hydrojasmal
Furfuralu
a-furfuraldehyde
Qo furfural
a-Furole
alpha-furaldehyde
2-furanal
Furfural ACS grade
furan-2 carbaldehyde
FURFURALDEHYDES
Furfural, 99%
2-Furaldehyde, 8CI
2-furan-carboxaldehyde
2-Furanocarboxyaldehyde
FURFURAL [FHFI]
FURFURAL [HSDB]
FURFURAL [FCC]
FURFURAL [MI]
2-Furylaldehyde xypropane
U1199
WLN: T5OJ BVH
BIDD:ER0698
FURAL/PYROMUCIC ALDEHYDE
Furfural, ACS reagent, 99%
CHEMBL189362
QSPL 006
QSPL 102
FEMA 2489
Furan-2-carbaldehyde (Furfural)
NSC8841
Furfural, >=98%, FCC, FG
Furfural, for synthesis, 98.0%
AAA09801
MSK21046
STR00358
UYB80380
Tox21_111114
Tox21_202191
Tox21_300170
BDBM50486229
Furaldehydes [UN1199] [Poison]
STL283124
AKOS000118907
Furfural, analytical reference material
Furfural 100 microg/mL in Acetonitrile
USEPA/OPP Pesticide Code: 043301
Furfural, natural, >=98%, FCC, FG
Furfural, SAJ first grade, >=99.0%
NCGC00091328-02
NCGC00091328-03
NCGC00091328-04
NCGC00253954-01
NCGC00259740-01
BP-31002
DB-003668
CS-0015696
F0073
NS00003316
EN300-18110
ASCORBIC ACID IMPURITY A [EP IMPURITY]
A845786
Q412429
doi:10.14272/HYBBIBNJHNGZAN-UHFFFAOYSA-N.1
F1294-0048
InChI=1/C5H4O2/c6-4-5-2-1-3-7-5/h1-4
202-627-7
furfural; furfuraldehyde; furfurol; 2-furaldehyde; 2-furancarboxaldehyde; furan-2-carboxaldehyde