|
| | TRANS-2-PENTENAL Basic information |
| Product Name: | TRANS-2-PENTENAL | | Synonyms: | 2-Pentanal;2-pentenal;gamma-methylcrotonaldehyde;Pent-2-enal;FEMA 3218;T2 PENTENAL;TRANS-2-PENTEN-1-AL;PENTENE-2-AL | | CAS: | 764-39-6 | | MF: | C5H8O | | MW: | 84.12 | | EINECS: | 212-120-2 | | Product Categories: | | | Mol File: | 764-39-6.mol |  |
| | TRANS-2-PENTENAL Chemical Properties |
| Melting point | -101.15°C (estimate) | | Boiling point | 80-81 °C160 mm Hg(lit.) | | density | 0.86 g/mL at 25 °C(lit.) | | FEMA | 3218 | 2-PENTENAL | | refractive index | n20/D 1.440-1.446(lit.) | | Fp | 73 °F | | Odor | at 1.00 % in dipropylene glycol. pungent green apple orange tomato | | Odor Type | green | | JECFA Number | 1364 | | LogP | 1.281 (est) | | EPA Substance Registry System | 2-Pentenal (764-39-6) |
| Hazard Codes | Xi | | Risk Statements | 10-36/37/38 | | Safety Statements | 29 | | RIDADR | UN 1989 3/PG 2 | | WGK Germany | 3 | | RTECS | SB1560000 | | F | 10 | | Toxicity | msc-ham:lng 300 mmol/L MUREAV 244,153,90 |
| | TRANS-2-PENTENAL Usage And Synthesis |
| Chemical Properties | 2-Pentenal has a pungent, green, apple, orange, tomato odor. | | Occurrence | Reported found in aqueous orange essence (trans-form); as a flavor component in cognac oil, in Chrysocoris
stolli, in tomato aroma, in the autooxidation of cod liver oil, in peas, as a flavoring component of reverted soybean oil, in salmon oil,
in potato chips during storage, in butterfat fishy flavor. Also reported found in strawberry, cooked potato, wheat bread, parmesan
cheese, butter, caviar, fatty fish, cooked beef, tea, peanuts, peas, trassi, mango, raspberry, pumpkin, Bourbon vanilla, oysters and
loganberry. | | Preparation | By treating β-phenoxyacrolein with secondary amines, Grignard reagent and active methylene compounds; by heating
1-ethoxy-1,3-pentadiene with H3PO4 at 80°C; from cis- and trans-but-2-ene-1,4-diol and SOCl2, followed by treatment of the chloroalcohol
with methyl magnesium bromide and final oxidation with MnO2. | | Definition | ChEBI: An enal consisting of pent-2-ene having an oxo group at the 1-position | | Safety Profile | Poison by intraperitoneal route. Mutation data reported. Whenheated to decomposition it emits acrid smoke and irritating fumes. |
| | TRANS-2-PENTENAL Preparation Products And Raw materials |
|
