It is almost colorless and transparent liquid, with raw oil and grassy and apple aroma. Boiling point 131℃, flash point 32℃, freezing point ~ 56.3℃. Miscible Chemicalbook in ethanol, propylene glycol and most non-volatile oils, insoluble in water. Natural products exist in apple, strawberry, tea, bitter orange, coffee and more than ten kinds of essential oils.
Hexanal occurs naturally inmany foods, such as in ripening fruits, or because of addition as a flavorant; it has an apple taste. It can also be produced in foods because of lipid peroxidation during cooking. It is mainly used as a food flavorant, in fragrances, and in the manufacture of dyes, plasticizers, synthetic resins, and pesticides. It is released to air and water during production or use for the manufacture of other products or during the use of these products themselves. It undergoes oxidation and polymerization readily.
Feron et al. identified hexanal in about 80 different types of food.
Tili ndi mafakitale apamwamba kwambiri omwe ali ndi mgwirizano wozama, omwe angakupatseni mankhwala apamwamba kwambiri komanso mitengo yampikisano. Ndipo titha kuperekanso kuchotsera pogula zinthu zambiri.Ndipo timagwirizana ndi makampani ambiri otumiza katundu, amatha kubweretsa zinthu mosatekeseka m'manja mwanu. Kutumiza nthawi ndi za 3-20 masiku chitsimikiziro cha malipiro.
Hexanal Chemical Properties |
Malo osungunuka | -56 °C |
Malo otentha | 130-131 °C(lit.) |
kachulukidwe | 0.816 g/mL at 20 °C |
kachulukidwe ka nthunzi | >1 (vs air) |
kuthamanga kwa nthunzi | 10 mm Hg ( 20 °C) |
refractive index | n20/D 1.4035(lit.) |
FEMA | 2557 | HEXANAL |
Fp | 90 °F |
kutentha kutentha. | 2-8 ° C |
kusungunuka | 6g/l |
mawonekedwe | Madzi |
mtundu | Clear colorless to slightly yellow |
Kununkhira | Pungent. |
PH | 4-5 (4.8g/l, H2O, 20℃) |
Odor Type | green |
Odor Threshold | 0.00028ppm |
Kusungunuka kwamadzi | 4.8 g/L (20 ºC) |
Sensitive | Air Sensitive |
JECFA Number | 92 |
Merck | 14,1760 |
Mtengo wa BRN | 506198 |
Stability: | Stable. Flammable. Incompatible with oxidizing agents, strong bases, strong reducing agents. |
LogP | 1.97 |
CAS DataBase Reference | 66-25-1(CAS DataBase Reference) |
NIST Chemistry Reference | Hexanal(66-25-1) |
EPA Substance Registry System | Hexaldehyde (66-25-1) |
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