TRANS-2-PENTENAL
- CAS No.
- 764-39-6
- Chemical Name:
- TRANS-2-PENTENAL
- Synonyms
- FEMA 3218;2-pentenal;2-Pentanal;Pent-2-enal;T2 PENTENAL;PENTENE-2-AL;TRANS-2-PENTEN-1-AL;TRANS-2-PENTENAL USP/EP/BP;gamma-methylcrotonaldehyde
- CBNumber:
- CB7226070
- Molecular Formula:
- C5H8O
- Molecular Weight:
- 84.12
- MOL File:
- 764-39-6.mol
- Modify Date:
- 2023/5/25 18:01:17
| 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 |
n |
| Flash point | 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) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |     GHS07,GHS02,GHS09,GHS06 |
|---|---|
| Signal word | Danger |
| Hazard statements | H302-H225-H411-H317-H311-H319 |
| Precautionary statements | P261-P272-P280-P302+P352-P333+P313-P321-P363-P501-P210-P233-P240-P241-P242-P243-P280-P303+P361+P353-P370+P378-P403+P235-P501-P264-P270-P301+P312-P330-P501-P280-P302+P352-P312-P322-P361-P363-P405-P501-P264-P280-P305+P351+P338-P337+P313P |
| 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 Chemical Properties,Uses,Production
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
TRANS-2-PENTENAL Suppliers
| Supplier | Tel | Country | ProdList | Advantage | Inquiry |
|---|---|---|---|---|---|
| Neostar United (Changzhou) Industrial Co., Ltd. | +86-519-519-85557386 | China | 11718 | 58 | Inquiry |
| SIMAGCHEM CORP | +86-13806087780 | China | 17367 | 58 | Inquiry |
| Hefei TNJ Chemical Industry Co.,Ltd. | 0551-65418671 | China | 34571 | 58 | Inquiry |
| Shaanxi Dideu Medichem Co. Ltd | +86-029-89586680 +86-18192503167 | China | 9030 | 58 | Inquiry |
| Dayang Chem (Hangzhou) Co.,Ltd. | 571-88938639 +8617705817739 | China | 52861 | 58 | Inquiry |
| Hu Bei Jiutian Bio-medical Technology CO.,Ltd | 027-88013699 17354350817 | China | 7432 | 58 | Inquiry |
| Changzhou AniKare Pharmatech Co., Ltd. | +86-0519-8359-8696 +8618018249389 | China | 8661 | 58 | Inquiry |
| Shaanxi DIDU pharmaceutical and Chemical Co., Ltd | 17691182729 18161915376 | China | 10011 | 58 | Inquiry |
| Shanghai Likas Industrial Co., LTD | 19821976800 | China | 425 | 58 | Inquiry |
| Wuhan kamik Technology Co., Ltd | 18062587608 | China | 7666 | 58 | Inquiry |
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