2-Pentenal（CAS#764-39-6）
| Hazard Symbols | Xi – Irritant |
| Risk Codes | R10 – Flammable R36/37/38 – Irritating to eyes, respiratory system and skin. |
| Safety Description | 29 – Do not empty into drains. |
| UN IDs | UN 1989 3/PG 2 |
| WGK Germany | 3 |
| RTECS | SB1560000 |
| FLUKA BRAND F CODES | 10 |
| Toxicity | msc-ham:lng 300 mmol/L MUREAV 244,153,90 |
Introduction
trans-2-penten-1-al;2-Pentanal;2-pentenal;gamma-methylcrotonaldehyde;Pent-2-enal;FEMA 3218;T2 PENTENAL;TRANS-2-PENTEN-1-AL;PENTENE-2-AL, chemical formula C5H8O, is a colorless liquid compound. The following is an introduction to the nature, use, preparation and safety information of trans-2-penten-1-al; 2-pentental; 2-pentental; gamma-methylcrotonaldehyde;Pent-2-enal;FEMA 3218;T2 pentental; TRANS-2-PENTEN-1-AL;PENTENE-2-AL:
Nature:
- trans-2-penten-1-al;2-Pentanal; 2-pentental; gamma-methylcrotonaldehyde;Pent-2-enal;FEMA 3218;T2 pentental; TRANS-2-PENTEN-1-AL;PENTENE-2-AL has a strong odor of prenyl aldehyde.
-It can be dissolved in many organic solvents, such as alcohols, ethers and hydrocarbons.
- trans-2-penten-1-al;2-Pentanal;2-pentenal;gamma-methylcrotonaldehyde;Pent-2-enal;FEMA 3218;T2 PENTENAL;TRANS-2-PENTEN-1-AL; The boiling point of PENTENE-2-AL is about 127 ℃ and the density is about 0.803 g/cm.
-It is an unstable compound and is easy to polymerize at room temperature.
Use:
- trans-2-penten-1-al;2-Pentanal;2-pentenal;gamma-methylcrotonaldehyde;Pent-2-enal;FEMA 3218;T2 PENTENAL;TRANS-2-PENTEN-1-AL;PENTENE-2-AL can be used as chemical reagents and intermediates for various reactions in organic synthesis, such as asymmetric synthesis, structural reactions and cycloaddition reactions.
-It is also used in synthetic spices, drugs and pesticides.
Preparation Method:
- trans-2-penten-1-al;2-Pentanal;2-pentenal;gamma-methylcrotonaldehyde;Pent-2-enal;FEMA 3218;T2 PENTENAL;TRANS-2-PENTEN-1-AL; The preparation of PENTENE-2-AL is usually achieved by trans dehydration of isoprenol. This reaction is usually carried out under basic conditions, and either an acidic catalyst or a basic catalyst may be used.
Safety Information:
- trans-2-penten-1-al;2-Pentanal;2-pentenal;gamma-methylcrotonaldehyde;Pent-2-enal;FEMA 3218;T2 PENTENAL;TRANS-2-PENTEN-1-AL;PENTENE-2-AL is irritating to the eyes, skin and respiratory system, and should be careful to avoid contact when using.
-It is a flammable liquid and should be kept away from fire and high temperature. Store in a cool, well-ventilated place and avoid contact with oxidants and strong acids.
-Use appropriate protective measures when handling the compound, such as wearing chemical protective clothing and breathing apparatus.
Please note that trans-2-penten-1-al;2-Pentanal;2-pentenal;gamma-methylcrotonaldehyde;Pent-2-enal;FEMA 3218;T2 PENTENAL;TRANS-2-PENTEN-1-AL;PENTENE-2-AL may have other specific properties, uses and safety information, specific use requires reference to the relevant chemical literature and safety data sheets.
