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.
Sinezimboni eziningi zekhwalithi ephezulu ngokubambisana okujulile, ezingakunikeza ngemikhiqizo yekhwalithi ephezulu namanani ancintisanayo. Futhi singanikeza izaphulelo zokuthenga ngobuningi.Futhi sibambisana nezinkampani eziningi ezichwepheshile zokudlulisa impahla, zingaletha imikhiqizo ngokuphepha nangokushelela ezandleni zakho. Isikhathi sokulethwa cishe yizinsuku ezi-3-20 ngemuva kokuqinisekiswa kwenkokhelo.
Hexanal Chemical Properties |
Iphoyinti lokuncibilika | -56 °C |
Iphuzu elibilayo | 130-131 °C(lit.) |
ukuminyana | 0.816 g/mL at 20 °C |
ukuminyana komhwamuko | >1 (vs air) |
umfutho womhwamuko | 10 mm Hg ( 20 °C) |
inkomba ye-refractive | n20/D 1.4035(lit.) |
FEMA | 2557 | HEXANAL |
Fp | 90 °F |
izinga lokushisa lokugcina. | 2-8°C |
ukuncibilika | 6g/l |
ifomu | Uketshezi |
umbala | Clear colorless to slightly yellow |
Iphunga | Pungent. |
PH | 4-5 (4.8g/l, H2O, 20℃) |
Odor Type | green |
Odor Threshold | 0.00028ppm |
Ukuncibilika kwamanzi | 4.8 g/L (20 ºC) |
Sensitive | Air Sensitive |
JECFA Number | 92 |
Merck | 14,1760 |
I-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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