trans-2-Butenal diethyl acetal
- CAS NO.：63511-92-2
- Empirical Formula: C8H16O2
- Molecular Weight: 144.21
- MDL number: MFCD00239338
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:53:18
What is trans-2-Butenal diethyl acetal?
The Uses of trans-2-Butenal diethyl acetal
trans-2-Butenal diethyl acetal may be used in the preparation of 2S,3S-epoxybutan-1-ol, an intermediate in the synthesis of erythromycin antibiotic.
General Description
trans-2-Butenal diethyl acetal is an acetal. Acetals are usually derived from the aldehydes. They have two single-bonded oxygen atoms attached to the same carbon atom. They are stable under basic conditions and they can be hydrolyzed back to the carbonyl compound. Acetals serves as a carbonyl protecting group and also are present as functional groups in glycosidic bonds. trans-2-Butenal diethyl acetal has been synthesized from trans-2-butenal with ethanol in the presence of methanesulfonic acid or methylsulfonate as catalysts.
Properties of trans-2-Butenal diethyl acetal
| Boiling point: | 146-150 °C(lit.) |
| Density | 0.831 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | 93 °F |
Safety information for trans-2-Butenal diethyl acetal
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H226:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for trans-2-Butenal diethyl acetal
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