Dehydroascorbic acid
脱氢抗坏血酸
Also known as: L-Dehydroascorbic acid, L-threo-2,3-Hexodiulosonic acid γ-lactone, Oxidized ascorbic acid, Oxidized vitamin C, DHAA, Dehydro-L-ascorbic acid, L-Ascorbic acid, oxidized, (5R)-5-[(1S)-1,2-dihydroxyethyl]furan-2,3,4(5H)-trione
- CAS No.
- 490-83-5
- Jingsj CID
- J-1993594-0
- Molecular Formula
- C6H6O6
- Chinese Name
- 脱氢抗坏血酸
- Molecular Weight
- 174.108 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 228 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 389.3±38.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 170.0±20.3 °C |
Frequently Asked Questions
What is the CAS number of Dehydroascorbic acid?
490-83-5
What are the molecular formula and molecular weight of Dehydroascorbic acid?
C6H6O6, molecular weight 174.108 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026