Dehydroacetic acid
脱氢乙酸
Also known as: 2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid δ-lactone, 2H-Pyran-2,4(3H)-dione, 3-acetyl-6-methyl-, 3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione, 3-acetyl-6-methyl-(2H)-pyran-2,4(3H)dione, DEHYDRACETIC ACID, DEHYDRACETSAEURE, DEHYDRANONE, DHA, Geogard(R) 111A, Geogard(R) 221, Geogard(R) 361, Methylacetopyronone, dehydro-aceticaci, dhaa, Dehydracetic acid
- CAS No.
- 520-45-6
- Jingsj CID
- J-15130-0
- Molecular Formula
- C8H8O4
- Chinese Name
- 脱氢乙酸
- Molecular Weight
- 168.147 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 111-113 °C(lit.) |
|---|---|
| Boiling Point | 332.6±42.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 150.5±27.9 °C |
GHS Safety & Compliance
IrritantSignal word: Warning
Frequently Asked Questions
What is the CAS number of Dehydroacetic acid?
520-45-6
What are the molecular formula and molecular weight of Dehydroacetic acid?
C8H8O4, molecular weight 168.147 g/mol
Is Dehydroacetic acid hazardous?
Warning
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026