Name | γ-Oenantholacton |
Synonyms | 4-Heptanolide γ-Heptanolactone γ-Oenantholacton 4-hydroxyheptanoic Gamma-Heptalactone γ-Heptalactone,Natural 4-hydroxyheptanoicacidlactone 5-Propyldihydro-2(3H)-furanone 5-propyldihydrofuran-2(3H)-one Dihydro-5-propylfuran-2(3H)-one 4-Hydroxyheptanoic acid lactone 4-Hydroxyheptanoic acid gamma-lactone 4-n-Propyl-4-hydroxybutanoic acid lactone |
CAS | 105-21-5 |
EINECS | 203-279-9 |
InChI | InChI=1/C7H12O2/c1-2-3-6-4-5-7(8)9-6/h6H,2-5H2,1H3 |
Molecular Formula | C7H12O2 |
Molar Mass | 128.17 |
Density | 0.999g/mLat 25°C(lit.) |
Boling Point | 61-62°C2mm Hg(lit.) |
Flash Point | >230°F |
JECFA Number | 225 |
Water Solubility | 23g/L at 20℃ |
Vapor Presure | 2.8hPa at 20℃ |
BRN | 109569 |
Storage Condition | Sealed in dry,Room Temperature |
Refractive Index | n20/D 1.442(lit.) |
Physical and Chemical Properties | Colorless liquid, slightly oily. It has coconut aroma and sweet taste of malt and caramel. Boiling point of 151 deg C, flash point of 50 deg C. Miscible in ethanol and most non-volatile oils, very poorly soluble in water. Natural products are present in peach and the like. |
Use | For the preparation of daily cosmetic flavor, tobacco flavor |
Hazard Symbols | Xi - Irritant |
Risk Codes | R38 - Irritating to the skin R36/38 - Irritating to eyes and skin. |
Safety Description | S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
WGK Germany | 2 |
RTECS | LU3697000 |
HS Code | 29322090 |
FEMA | 2539 | GAMMA-HEPTALACTONE |
LogP | 1 at 20℃ |
NIST chemical information | information provided by: webbook.nist.gov (external link) |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
toxicity | GRAS(FEMA). |
usage limit | FEMA(mg/kg): Soft drink 18; Cold drink 40; Candy 28; Baked goods 26. Moderate limits (FDA § 172.515,2000). |
Use | GB 2760-96 specifies the permitted use of flavorants. Mainly used for the preparation of nuts, coconut and fruit-based flavor. for the preparation of daily cosmetic flavor, tobacco flavor |
production method | is derived from the internal esterification of heptenoic acid. |