(2E,4E)-2,4-Hexadienal

Basic Information

View in Editor

CAS Number

142-83-6

Molecular Formula

C6H8O

Molecular Weight

96.13 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Aldehydes

Basic Physical Properties

Melting Point

-16.5°C

Boiling Point

69 °C/20 mmHg

Water Solubility

It is Insoluble in water, but soluble in ethanol.

Refractive Index

n20/D 1.541(lit.)

SMILES

View in Editor

C/C=C/C=C/C=O

InChI

InChI=1S/C6H8O/c1-2-3-4-5-6-7/h2-6H,1H3/b3-2+,5-4+

InChIKey

BATOPAZDIZEVQF-MQQKCMAXSA-N

LogP

1.3176

Topological Polar Surface Area

17.07 Å²

Hydrogen Bond Donor/Acceptor

0 / 1

Complexity

90.4

Safety Information

View Safety Information

Hazard Statement

H227 Combustible liquid
Flammable liquids

H314 Causes severe skin burns and eye damage
Skin corrosion/irritation

H317 May cause an allergic skin reaction
Sensitization, Skin

H351 Suspected of causing cancer
Carcinogenicity

Hazard Class

Class 6.1 Class 6.1

Stability

Stable. Combustible. Incompatible with strong reducing agents, strong bases, strong oxidizing agents.

Sensitiveness

Air Sensitive

Synonyms & References

English

Hexa-2,4-dienal
(E,E)-2,4-Hexadienal
trans,trans-2,4-Hexadienal
2,4-Hexadienal
Sorbaldehyde,Sorbic aldehyde
Sorbic Aldehyde
FEMA 3429
SORBALDEHYDE
n-Hex-2,4-dienal
T2 T4 HEXADIENAL
2,4-HEXADIEN-1-AL
(2E,4E)-Hexadienal
(e,e)-4-hexadienal
2,4-HEXADIENAL
SORBIC ALDEHYDE

MDL Number

MFCD00007004

Customs Code

2912190090

FAQ

What are the physical and chemical properties of (2E,4E)-2,4-Hexadienal (CAS: 142-83-6)?

(2E,4E)-2,4-Hexadienal is a colorless liquid with a fruity odor. It has a molecular weight of approximately 112.18 g/mol and a boiling point of 154°C. The compound is slightly soluble in water but miscible with common organic solvents like ethanol and acetone. It is relatively stable under normal conditions and is susceptible to oxidation and hydrolysis, making it reactive in the presence of moisture or air.

How is (2E,4E)-2,4-Hexadienal (CAS: 142-83-6) typically synthesized?

(2E,4E)-2,4-Hexadienal can be synthesized via the Wittig reaction using 2-bromohexane and phenyltriphenylphosphonium bromide as reagents. This method offers good yield and selectivity. Other approaches include the Diels-Alder reaction between maleic anhydride and hexa-2,4-dien-1-ol. Catalytic hydrogenation of maleic anhydride is another route to produce the desired compound with high efficiency.

What industries use (2E,4E)-2,4-Hexadienal (CAS: 142-83-6)?

(2E,4E)-2,4-Hexadienal is primarily used in the fragrance and flavor industry due to its pleasant fruity aroma. It is also employed in the food and beverage sector as a flavor enhancer. Additionally, the compound finds applications in the pharmaceutical industry as a precursor for the synthesis of certain compounds. It is also used in the polymer and sensor technology sectors for its specific chemical reactivity and functionality.

What precautions should be taken when handling (2E,4E)-2,4-Hexadienal (CAS: 142-83-6)?

When handling (2E,4E)-2,4-Hexadienal, it is essential to wear appropriate personal protective equipment (PPE), including gloves, safety goggles, and a lab coat. Ensure the area is well-ventilated, and avoid inhalation or skin contact. Store the compound in a cool, dry place away from heat and sources of ignition. In the case of a spill, immediately clean it up using appropriate absorbent materials and follow the safety data sheet (SDS) guidelines for disposal. Always refer to the SDS for detailed safety information.