3-Methyl-2-butenal
3-甲基-2-丁烯醛
Also known as: 3,3-Dimethylacrolein, 3-Methylcrotonaldehyde, Senecialdehyde, β,β-Dimethylacrolein, β-Methylcrotonaldehyde, 3-Methylbut-2-enal, 3,3-Dimethylacrylaldehyde, Prenal
- CAS No.
- 107-86-8
- Jingsj CID
- J-8189-6
- Molecular Formula
- C5H8O
- Chinese Name
- 3-甲基-2-丁烯醛
- Molecular Weight
- 84.116 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | -20°C |
|---|---|
| Boiling Point | 134.0±0.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 33.9±0.0 °C |
GHS Safety & Compliance
Flammable / Corrosion / Acute ToxicitySignal word: Danger
Frequently Asked Questions
What is the CAS number of 3-Methyl-2-butenal?
107-86-8
What are the molecular formula and molecular weight of 3-Methyl-2-butenal?
C5H8O, molecular weight 84.116 g/mol
Is 3-Methyl-2-butenal hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026