dehydroascorbic acid (CAS 490-83-5) — formula C6H6O6, molecular weight 174.11; category food and feed additives.
| CAS Number | 490-83-5 |
|---|---|
| Molecular Formula | C6H6O6 |
| Molecular Weight | 174.11 |
| Melting Point | Decomposes at 225°C (437°F) |
| LogP | -1 |
| Category | Food & Feed Additives |
dehydroascorbic acid is a food and feed compound with CAS registry number 490-83-5 and molecular formula C6H6O6 (molecular weight 174.11), belonging to the food and feed additives segment of chemical raw materials.
CAS number: 490-83-5
Its molecular formula C6H6O6 comprises 6 C, 6 H, 6 O atoms.
Also known as: dehydroascorbic acid · 脱氢抗坏血酸
Category: food and feed additives
The CAS registry number of dehydroascorbic acid is 490-83-5.
Molecular formula C6H6O6, molecular weight 174.11.
It is also registered under: dehydroascorbic acid, 脱氢抗坏血酸.
Category: Food & Feed Additives.
Independent reference data for dehydroascorbic acid (CAS 490-83-5), compiled from public chemistry databases.
| CAS Registry Number | 490-83-5 |
|---|---|
| PubChem CID | 440667 |
| Molecular formula | C6H6O6 |
| IUPAC name | (5R)-5-[(1S)-1,2-dihydroxyethyl]oxolane-2,3,4-trione |
| UNII (FDA) | Y2Z3ZTP9UM |
| Molecular Weight | 174.11 |
|---|---|
| XLogP3 | -1 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 2 |
| Exact Mass | 174.01643791 |
| Monoisotopic Mass | 174.01643791 |
| Topological Polar Surface Area | 101 |
| Heavy Atom Count | 12 |
| Melting Point | Decomposes at 225°C (437°F) |
|---|---|
| Dissociation Constants | 3.90 |
| Collision Cross Section | 128.2 Ų [M-H]- |
DEHYDROASCORBIC ACID; 490-83-5; L-Dehydroascorbic acid; DHAA; Dehydro-L-ascorbic acid; L-Threo-hexo-2,3-diulosono-1,4-lactone; (5R)-5-[(1S)-1,2-dihydroxyethyl]oxolane-2,3,4-trione; L-threo-2,3-Hexodiulosonic acid, gamma-lactone; Y2Z3ZTP9UM; CHEBI:27956; DTXSID00912316; (5R)-5-[(1S)-1,2-dihydroxyethyl]furan-2,3,4(5H)-trione; (5R)-5-((1S)-1,2-DIHYDROXYETHYL)FURAN-2,3,4(5H)-TRIONE; Acid, Dehydroascorbic; CHEBI:17242; (5R)-5-((1S)-1,2-dihydroxyethyl)oxolane-2,3,4-trione
| Reported hazard statements | H302 (100%) |
|---|
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)
dehydroascorbic acid · CAS 490-83-5 · C6H6O6. UNII Y2Z3ZTP9UM. Melting Point: Decomposes at 225°C (437°F); Dissociation Constants: 3.90; Collision Cross Section: 128.2 Ų [M-H]-.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 脱氢抗坏血酸