Skip to main content

Benzaldehyde

ADVERTISEMENT
Identification
Molecular formula
C7H6O
CAS number
100-52-7
IUPAC name
benzaldehyde
State
State

Liquid at room temperature. Benzaldehyde remains a liquid under standard conditions of temperature and pressure.

Melting point (Celsius)
-26.00
Melting point (Kelvin)
247.15
Boiling point (Celsius)
178.10
Boiling point (Kelvin)
451.25
General information
Molecular weight
106.12g/mol
Molar mass
106.1220g/mol
Density
1.0440g/cm3
Appearence

Benzaldehyde is a colorless liquid with a characteristic almond-like odor. It is an aromatic aldehyde and it's often used in the fragrance and flavoring industries due to its pleasant smell.

Comment on solubility

Solubility of Benzaldehyde

Benzaldehyde (C7H6O) exhibits interesting solubility characteristics that are important to understand for its applications in various fields. Here are key points regarding its solubility:

  • Polar and Non-Polar Solvent Compatibility: Benzaldehyde is slightly polar due to the presence of the carbonyl group, making it more soluble in polar solvents like alcohols and ethers.
  • Insolubility in Water: This compound is generally considered insoluble in water, primarily because of the hydrophobic benzene ring that hinders interactions with water molecules.
  • Solvent Solubility Hierarchy: Benzaldehyde is highly soluble in organic solvents such as:
    • Diethyl ether
    • Ethyl acetate
    • Chloroform

In summary, while benzaldehyde is poorly soluble in water, it showcases a high solubility in a variety of organic solvents, which makes it a versatile compound in both laboratory settings and industrial applications. Its properties can be summarized with the quote: "Like dissolves like."

Interesting facts

Interesting Facts About Benzaldehyde

Benzaldehyde is a fascinating organic compound that plays a crucial role in both industrial applications and natural processes. Here are some intriguing facts about this aromatic aldehyde:

  • Natural Occurrence: Benzaldehyde is not just a synthetic compound; it occurs naturally in various sources, including almonds, cherries, and cinnamon. It is often responsible for the characteristic scent of these fruits and spices.
  • Common Uses: This compound is widely used in the production of fragrances and flavorings. It can be found in products ranging from perfumes to food additives, imparting a pleasant almond-like aroma.
  • Historical Significance: The first synthesis of benzaldehyde was accomplished in 1832 by the chemist August Wilhelm von Hofmann. This marked a significant milestone in organic chemistry and opened new pathways for the preparation of aromatic compounds.
  • Valuable Precursor: Benzaldehyde serves as an essential building block in organic synthesis. It is utilized to create various other chemical compounds, including the production of pharmaceuticals, dyes, and polymers.
  • Interesting Chemistry: When subjected to oxidation, benzaldehyde can lead to the formation of benzoic acid, showcasing the compound's reactivity and flexibility in chemical reactions.
  • Health and Safety: While benzaldehyde is safe in small amounts, exposure to high concentrations can lead to respiratory irritation. The compound is categorized as a low-level toxicant, emphasizing the importance of handling it with care.

As a compound that beautifully embodies the intersection of nature and synthetic chemistry, benzaldehyde continues to intrigue chemists and enthusiasts alike. It serves as a reminder of the diverse applications and effects that even simple molecules can have on our daily lives!

Synonyms
benzaldehyde
100-52-7
Benzoic aldehyde
Phenylmethanal
Benzenecarboxaldehyde
Benzenecarbonal
Benzenemethylal
Benzaldehyde FFC
Benzene carbaldehyde
Benzene carboxaldehyde
benzanoaldehyde
Benzylaldehyde
Benzoyl hydride
NCI-C56133
Benzoic acid aldehyde
FEMA No. 2127
Caswell No. 076
Phenylformaldehyde
Benzaldehyde (natural)
NSC 7917
Benzadehyde
Benzyaldehyde
CCRIS 2376
HSDB 388
NSC-7917
EINECS 202-860-4
UNII-TA269SD04T
Benzaldehyde [NF]
EPA Pesticide Chemical Code 008601
Benzaldehyde-formyl-d
TA269SD04T
Benzaldehyde-alpha-d1
DTXSID8039241
CHEBI:17169
AI3-09931
MFCD00003299
Benzaldehyde, methyl-
CHEMBL15972
DTXCID90134
55279-75-9
NSC7917
EC 202-860-4
Phenylmethanal benzenecarboxaldehyde
Benzaldehyde (NF)
NCGC00091819-01
NCGC00091819-02
BENZALDEHYDE (II)
BENZALDEHYDE [II]
BENZALDEHYDE (MART.)
BENZALDEHYDE [MART.]
Benzaldehyde-(phenyl-13C6)
benzaldehyd
Benzaldhyde
BENZALDEHYDE (USP IMPURITY)
BENZALDEHYDE [USP IMPURITY]
BDBM50139371
CAS-100-52-7
FENTANYL IMPURITY E (EP IMPURITY)
FENTANYL IMPURITY E [EP IMPURITY]
TRIBENOSIDE IMPURITY C (EP IMPURITY)
TRIBENOSIDE IMPURITY C [EP IMPURITY]
BENZYL ALCOHOL IMPURITY A (EP IMPURITY)
BENZYL ALCOHOL IMPURITY A [EP IMPURITY]
FENTANYL CITRATE IMPURITY E (EP IMPURITY)
FENTANYL CITRATE IMPURITY E [EP IMPURITY]
AMFETAMINE SULFATE IMPURITY D (EP IMPURITY)
AMFETAMINE SULFATE IMPURITY D [EP IMPURITY]
UN1990
BENZALKONIUM CHLORIDE IMPURITY B (EP IMPURITY)
BENZALKONIUM CHLORIDE IMPURITY B [EP IMPURITY]
GLYCOPYRRONIUM BROMIDE IMPURITY F (EP IMPURITY)
GLYCOPYRRONIUM BROMIDE IMPURITY F [EP IMPURITY]
HYDROUS BENZOYL PEROXIDE IMPURITY A (EP IMPURITY)
HYDROUS BENZOYL PEROXIDE IMPURITY A [EP IMPURITY]
benzaidehyde
benzaldehvde
benzaldehye
benzaldeyde
BENZOYLL PEROXIDE HYDROUS IMPURITY A (EP IMPURITY)
BENZOYLL PEROXIDE HYDROUS IMPURITY A [EP IMPURITY]
C7H6O
phenyl-methanone
Benzene methylal
Aromatic aldehyde
Benzoylwasserstoff
(phenyl)methanone
benzenecarbaldehyde
Benzaldehyde,(S)
PhCHO
Benzene carcaboxaldehyde
2vj1
WLN: VHR
BENZALDEHYDE [MI]
SCHEMBL573
BENZALDEHYDE [FCC]
BENZALDEHYDE [FHFI]
BENZALDEHYDE [HSDB]
BENZALDEHYDE [VANDF]
ghl.PD_Mitscher_leg0.170
BENZALDEHYDE [USP-RS]
Benzaldehyde, AR, >=99%
Benzaldehyde, LR, >=99%
BIDD:ER0249
BDBM60953
Benzaldehyde, analytical standard
Ald3-H_000012
Benzaldehyde, >=98%, FG, FCC
DGA48914
Ald3.1-H_000160
Ald3.1-H_000479
Ald3.1-H_000798
Tox21_113069
Tox21_113244
Tox21_200634
s5574
STL194067
Benzaldehyde, for synthesis, 95.0%
AKOS000119172
Benzaldehyde [UN1990] [Class 9]
CCG-266041
NA 1989
Benzaldehyde, purum, >=98.0% (GC)
Benzaldehyde, ReagentPlus(R), >=99%
NCGC00091819-03
NCGC00258188-01
FF170798
PS-11959
Benzaldehyde, natural, >=98%, FCC, FG
DB-023673
B2379
Benzaldehyde, SAJ special grade, >=98.0%
NS00008510
Benzaldehyde, Vetec(TM) reagent grade, 98%
Formyl polystyrene resin - 0.8-1.5 mmol/g
Benzaldehyde 1000 microg/mL in Dichloromethane
Benzaldehyde 2000 microg/mL in Dichloromethane
Benzaldehyde, puriss. p.a., >=99.0% (GC)
C00193
C00261
D02314
A800226
Q372524
SR-01000944375
Benzaldehyde, purified by redistillation, >=99.5%
SR-01000944375-1
F1294-0144
Flavor and Extract Manufacturers' Association No. 2127
InChI=1/C7H6O/c8-6-7-4-2-1-3-5-7/h1-6
Benzaldehyde, European Pharmacopoeia (EP) Reference Standard
Benzaldehyde, United States Pharmacopeia (USP) Reference Standard
Benzaldehyde, Pharmaceutical Secondary Standard; Certified Reference Material
202-860-4