Hexanal
Synonym(s):Aldehyde C6;Caproaldehyde;Hexaldehyde, Caproaldehyde, Hexylaldehyde;Hexanal (stabilised);Hexyl aldehyde
- CAS NO.:66-25-1
- Empirical Formula: C6H12O
- Molecular Weight: 100.16
- MDL number: MFCD00007027
- EINECS: 200-624-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-12-26 18:17:13
What is Hexanal?
Description
Hexanal has a characteristic fruity odor and taste (on dilution). May be prepared from the calcium salt of caproic acid and formic acid.
Description
Hexanal, once commonly called caproic aldehyde, is a six-carbon straight-chain aldehyde. It is a clear liquid with an atmospheric-pressure boiling point of 131 oC. P. Bagard published the first synthesis of hexanal in 1907. It is found in foods ranging from olive oil to pears to Hass avocados. Its fruity flavor makes it a useful additive in the flavor industry.
In 2014, Y. Takeuchi and co-workers at the University of Tokyo studied hexanal in another context: They discovered that it and its isomer 4-methylpentanal act as pheromones in rats. They found that exposing rats to these chemicals in combination causes the rodents to display increasingly anxious behavior. Neither compound alone produces similar results.
Stressed-out rats also release the aldehyde mixture. In so doing, they increase the anxiety levels of other rats.
The Uses of Hexanal
Hexanal is used in the flavor industry to prepare fruity flavors. It is utilized as a flavoring agent in the food industry. It is also used in Witting and aldol reactions.
Properties of Hexanal
Melting point: | -56 °C |
Boiling point: | 130-131 °C(lit.) |
Density | 0.816 g/mL at 20 °C |
Flash point: | 90 °F |
storage temp. | 2-8°C |
solubility | 6g/l |
form | Liquid |
color | Clear colorless to slightly yellow |
Odor | Pungent. |
Water Solubility | 4.8 g/L (20 ºC) |
Sensitive | Air Sensitive |
Safety information for Hexanal
Signal word | Warning |
Pictogram(s) |
Flame Flammables GHS02 Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H226:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Hexanal
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