105-21-5CAS NO.: 105-21-5

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1 Kilogram	FOB Price:USD 4.0000 -5.0000

1 Kilogram

FOB Price:USD 4.0000 -5.0000

4-Heptanolide 4-Hydroxyheptanoic acid lactone gamma heptalatone

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Description	y-Heptalactone has a sweet, nut-like, caramel odor and a malty, caramel, sweet, herbaceous taste. This substance may be obtained in low yields by hydrogenation of ethyl P-furylacrylate;1 by lactoniation of heptenoic acid; also by condensation of methylacrylate butyl alcohol using a catalyst.
Chemical Properties	γ-Heptalactone has a sweet, coconut-like, caramel and a malty, caramel, sweet odor, and herbaceous taste.
Chemical Properties	Clear colorless to pale yellow liquid
Occurrence	Reported found in green tea, asparagus, beer, strawberry, peach and beef
Uses	Food additive.
Preparation	Obtained in low yields by hydrogenation of ethyl β-furylacrylate; by lactoniation of heptonic acid; also by condensation of methylacrylate butyl alcohol using a catalyst.
Aroma threshold values	Detection: 400 ppb.
Taste threshold values	Taste characteristics at 15 ppm: sweet, lactonic, creamy, coconut and coumarin, with milky and tobacco Nuances.
Hazard	A skin irritant.