2-Methyl-2-pentenal
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2-Methyl-2-pentenal ??
- ???
- -90°C
- ?? ?
- 137-138 °C/765 mmHg (lit.)
- ??
- 0.86 g/mL at 25 °C (lit.)
- ???
- n
20/D 1.45(lit.)
- ???
- 89 °F
- ?? ??
- Flammables area
- ??? ??
- ??
- ??
- ??~??? ??
- ??
- ????? ??? ? 10.00%. ????,??,??,??,??,? ?? ??,?
- ?? ??
- ??
- ???? ??
- synthetic
- ???
- 20g/L(20ºC)
- ??
- Air Sensitive
- JECFA Number
- 1209
- BRN
- 506124
- ?? ??
- ?? ? ?
- InChI
- 1S/C6H10O/c1-3-4-6(2)5-7/h4-5H,3H2,1-2H3/b6-4+
- InChIKey
- IDEYZABHVQLHAF-GQCTYLIASA-N
- SMILES
- [H]C(=O)\C(C)=C\CC
- LogP
- 1.60
??
- ?? ? ?? ??
- ?? ? ???? ?? (GHS)
| ??? ?? | Xn | ||
|---|---|---|---|
| ?? ???? ?? | 10-20-36-43-41 | ||
| ????? | 26-39-37-27-24 | ||
| ????(UN No.) | UN 1989 3/PG 3 | ||
| WGK ?? | 1 | ||
| RTECS ?? | SB2100000 | ||
| TSCA | TSCA listed | ||
| ?? ?? | 3 | ||
| ???? | III | ||
| HS ?? | 29121990 | ||
| ???? ??? | 3 - Flammable liquids | ||
| Hazard Classifications | Acute Tox. 3 Inhalation Aquatic Chronic 3 Eye Dam. 1 Flam. Liq. 3 Skin Sens. 1 |
2-Methyl-2-pentenal C??? ??, ??, ??
??
2-Methyl-2-pentenal has a powerful grassy-green, slightly fruity odor and can be prepared synthetically by aldolic condensation of propionaldehyde.??? ??
2-Methyl-2-pentenal has a powerful, grassy-green, slightly fruity odor.??
Reported found as a volatile component in onion. Also reported found in roasted onion, roasted peanut, cranberry, guava, grapes, grape brandy, papaya, shallots, leek, chive, fried potato, mustard, parmesan cheese, fish, roast chicken, cooked beef, beer, cognac, coffee, tea, peanut, Japanese plum, mango, walnut, prickly pear, pumpkin, oysters, lamb’s lettuce and maté?? ??
By aldolic condensation of propionaldehyde.?? ??
2-Methyl-2-pentenal has been identified as one of the major volatile flavor compounds in chive, caucas, onion and leek.2-Methyl-2-pentenal ?? ?? ? ???
???
?? ??
2-Methyl-2-pentenal ?? ??
???( 197)?? ??
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