3-Methyl-2-butenoic acid
3-甲基-2-丁烯酸
Also known as: 3,3-Dimethylacrylic acid, 3-Methylcrotonic acid, Senecioic acid, β-Methylcrotonic acid, 3-Methylbut-2-enoic acid, 2-Butenoic acid, 3-methyl-, (CH3)2C=CHCOOH, MFCD00004366, EINECS 208-782-7
- CAS No.
- 541-47-9
- Jingsj CID
- J-15085-9
- Molecular Formula
- C5H8O2
- Chinese Name
- 3-甲基-2-丁烯酸
- Molecular Weight
- 100.116 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 65-70 °C(lit.) |
|---|---|
| Boiling Point | 194.5±0.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 95.9±9.6 °C |
GHS Safety & Compliance
Corrosion / IrritantSignal word: Danger
Frequently Asked Questions
What is the CAS number of 3-Methyl-2-butenoic acid?
541-47-9
What are the molecular formula and molecular weight of 3-Methyl-2-butenoic acid?
C5H8O2, molecular weight 100.116 g/mol
Is 3-Methyl-2-butenoic acid hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026