Name | (Z)-hept-4-enal |
Synonyms | AI3-36035 hept-4-enal FEMA No. 3289 cis-4-Heptenal (Z)-hept-4-enal UNII-5BJ99WWP64 4-Heptenal, (Z)- (4Z)-hept-4-enal 4-Heptenal, cis- cis-4-Hepten-1-al 4-Heptenal, (4Z)- Propylidenebutyraldehyde |
CAS | 6728-31-0 |
EINECS | 229-779-7 |
InChI | InChI=1/C7H12O/c1-2-3-4-5-6-7-8/h3-4,7H,2,5-6H2,1H3/b4-3- |
Molecular Formula | C7H12O |
Molar Mass | 112.17 |
Density | 0.83g/cm3 |
Melting Point | -53.35°C (estimate) |
Boling Point | 151.6°C at 760 mmHg |
Flash Point | 35.2°C |
Vapor Presure | 3.64mmHg at 25°C |
Refractive Index | 1.427 |
Physical and Chemical Properties | Chemically yellowish liquid. It is fragrant with grass and grease, and it is creamy after dilution. Flash point 20 ℃. Soluble in ethanol and most non-volatile oils, insoluble in water. |
Use | Uses GB 2760 a 96 for the permitted use of edible spices. Mainly used for the preparation of cream flavor. |
Risk Codes | 10 - Flammable |
Safety Description | S16 - Keep away from sources of ignition. S24/25 - Avoid contact with skin and eyes. |
UN IDs | UN 1989 3/PG 3 |
Raw Materials | Ammonia Bromoethane Acetal |
WGK Germany | 3 |
F | 10-23 |
HazardClass | 3 |
PackingGroup | III |
customs code | 29121900 |
FEMA | 3289 | 4-HEPTENAL |
refractive index | n20/D 1.434 |
flash point | 105 °F |
storage conditions | 0-6°C |
morphology | Liquid |
color | Clear colorless to light yellow |
JECFA Number | 320 |
BRN | 1902614 |
EPA chemical information | 4-Heptenal, (4Z)- (6728-31-0) |
content analysis
Gas-liquid chromatographic analysis by GT-10-4 with a polar column.
Toxicity
GRAS(FEMA).
use limited
FEMA(mg/kg) soft drinks, candy 1.0, baked goods, meat, meat sauce, soup, dairy products and cereals are all 1.0.
Moderate limit (FDA & sect;172.515,2000).
production method
Sodium butadiene is made from acetylene and bromoethane in the presence of liquid sodium ammonia, and then condensed with bromopropal acetal and hydrogenated under the catalysis of Lindlar(Pd/CaCO3/PbO) catalyst.