2-ethylbutyraldehyde), also known as valeraldehyde, is a colorless liquid. Nature:
- Appearance: 2-ethylbutyraldehyde is a colorless liquid with a distinctive pungent odor.
- Solubility: 2-ethylbutyraldehyde is soluble in many organic solvents, such as alcohols and ethers.
Colorless and easy to flow liquid, with cocoa and chocolate aroma, with pungent odor. Boiling point 117℃, freezing point -89℃, flash point 21℃. Vapor pressure 1306Pa(20℃). Soluble in ethanol and ether, lml soluble in about 50ml of water. Stable, but sensitive to air. Flammable. Easy to form explosive mixtures with air. Incompatible with strong base, strong reducing agent, oxidant.
1.2-ethylbutyraldehyde is an important chemical intermediate that can be used to synthesize a variety of organic compounds, such as rubber processing AIDS and dyes.
2. Spices. Mainly used to prepare cocoa and chocolate flavor.
Production method: From diethyl methanol and anhydrous oxalic acid or sulfuric acid condensation. The new method is produced by the reaction of a-Z, alkenyl crotonal, with iron filings and acetic acid.
Tha mòran fhactaraidhean àrd-inbhe againn le co-obrachadh domhainn, a bheir dhut toraidhean àrd-inbhe agus prìsean farpaiseach. Agus is urrainn dhuinn cuideachd lasachaidhean a thoirt seachad airson mòr-cheannach. Tha an ùine lìbhrigidh timcheall air 3-20 latha às deidh dearbhadh pàighidh.
Molecular Formula | C6H12O |
Molar Mass | 100.16 |
Density | 0.814g/mLat 25°C(lit.) |
Rubha leaghaidh | -89°C |
Boling Point | 117°C(lit.) |
Flash Point | 70°F |
JECFA Number | 256 |
Solubility uisge | Soluble in ether and alcohols. Slightly soluble in water. |
Vapor Presure | 16.9mmHg at 25°C |
Coltas | clear liquid |
Color | Colorless to Light yellow |
BRN | 1209330 |
Storage Condition | Flammables area |
Seasmhachd | Stability Stable, but air sensitive. Flammable. Readily forms explosive mixtures with air. Incompatible with strong bases, strong reducing agents, oxidizing agents. |
Sensitive | Air Sensitive |
Refractive Index | n20/D 1.402(lit.) |
Physical and Chemical Properties | Colorless and easy-flowing liquid, with cocoa and chocolate aroma, and irritating smell. Boiling point 117 ℃, freezing point -89 ℃, flash point 21 ℃. The vapor pressure is 1306Pa(20 ℃). Miscible in ethanol and ether, lml dissolved in about 50ml of water. |
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