| trans-2-Heptenal Basic information |
| Product Name: | trans-2-Heptenal |
| Synonyms: | (2E)-2-Heptenal;(2E)-Heptenal;(e)-2-heptena;(E)-2-Heptenal;Tran-2-heptonal;trans-2-Heptenal;trans-2-Heptenal 97%;2-trans-Heptenal |
| CAS: | 18829-55-5 |
| MF: | C7H12O |
| MW: | 112.17 |
| EINECS: | 242-608-0 |
| Product Categories: | aldehyde Flavor;Aldehydes;Alphabetical Listings;Flavors and Fragrances;C7;Carbonyl Compounds;G-H |
| Mol File: | 18829-55-5.mol |
| trans-2-Heptenal Chemical Properties |
| Melting point | -53.35°C (estimate) |
| Boiling point | 90-91 °C50 mm Hg(lit.) |
| density | 0.857 g/mL at 25 °C(lit.) |
| vapor density | >1 (vs air) |
| refractive index | n |
| FEMA | 3165 | TRANS-2-HEPTENAL |
| Fp | 128 °F |
| storage temp. | 2-8°C |
| form | neat |
| color | Colorless to Light yellow to Light orange |
| JECFA Number | 1360 |
| BRN | 1700822 |
| CAS DataBase Reference | 18829-55-5(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Heptenal, (E)-(18829-55-5) |
| EPA Substance Registry System | 2-Heptenal, (2E)- (18829-55-5) |
| Safety Information |
| Hazard Codes | Xn,Xi |
| Risk Statements | 10-20/21-43 |
| Safety Statements | 16-36/37 |
| RIDADR | UN 1988 3/PG 3 |
| WGK Germany | 3 |
| RTECS | MJ8795000 |
| F | 10-23 |
| Hazard Note | Irritant |
| HazardClass | 3.2 |
| PackingGroup | III |
| HS Code | 29121900 |
| MSDS Information |
| Provider | Language |
|---|---|
| SigmaAldrich | English |
| ACROS | English |
| trans-2-Heptenal Usage And Synthesis |
| Chemical Properties | clear colorless to light yellow liquid |
| Synthesis Reference(s) | Journal of the American Chemical Society, 108, p. 452, 1986 DOI: 10.1021/ja00263a015Tetrahedron Letters, 21, p. 3987, 1980 DOI: 10.1016/S0040-4039(00)92851-X |
| General Description | trans-2-Heptenal is a volatile flavor constituent identified in heated butter and tomato. |
| trans-2-Heptenal Preparation Products And Raw materials |
| Raw materials | (1Z)-1-Iodo-1-hexene-->1-bromohex-1-ene-->(Z)-1,1-Diethoxy-2-heptene-->cis-1-bromo-1-hexene-->2-Heptenal-->2-Heptyn-1-ol-->1-Heptyne |
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