Dehydroacetic acid (CAS 520-45-6) — formula C8H8O4, molecular weight 168.04 g/mol; category food additives.
Dehydroacetic acid (CAS 520-45-6) is a food additives. Its molecular formula C8H8O4 comprises 8 C, 8 H, 4 O atoms. Its molecular weight is about 168.04 g/mol. Reported physicochemical data: melting point around 109 °C, LogP about 1. Food additives improve flavor, texture, color and shelf life of food, and must comply with relevant food-safety regulations and usage limits. Common in beverages, baking, dairy, meat and seasoning as acidity regulators, preservatives, colorants, thickeners, antioxidants or nutritional fortifiers. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 520-45-6 |
|---|---|
| Molecular Formula | C8H8O4 |
| Molecular Weight | 168.04 g/mol |
| Melting Point | 109 °C |
| LogP | 1 |
| Packaging | 25/50kg woven bags, 20/25/50kg fibre drums, 200kg plastic drums, 1000kg IBC (subject to order confirmation) |
| Applications | baking, dairy, meat and seasoning as acidity regulators, preservatives, colorants, thickeners |
| Category | Antioxidants |
Documented applications: baking, dairy, meat and seasoning as acidity regulators, preservatives, colorants, thickeners.
Dehydroacetic acid is a food-grade compound with CAS registry number 520-45-6 and molecular formula C8H8O4 (molecular weight 168.04 g/mol), belonging to the food additives segment of chemical raw materials.
CAS number: 520-45-6
Its molecular formula C8H8O4 comprises 8 C, 8 H, 4 O atoms.
Also known as: Dehydroacetic acid · 脱氢乙酸
Category: food additives
The CAS registry number of Dehydroacetic acid is 520-45-6.
Molecular formula C8H8O4, molecular weight 168.04 g/mol.
It is also registered under: Dehydroacetic acid, 脱氢乙酸.
Recorded applications: baking, dairy, meat and seasoning as acidity regulators, preservatives, colorants, thickeners.
Category: Antioxidants.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Dehydroacetic acid (CAS 520-45-6), compiled from public chemistry databases.
| CAS Registry Number | 520-45-6 |
|---|---|
| PubChem CID | 54678494 |
| Molecular formula | C8H8O4 |
| Molecular weight | 168.04 g/mol |
| IUPAC name | 3-acetyl-4-hydroxy-6-methylpyran-2-one |
| InChIKey | PKLPQOJFHFGVBS-UHFFFAOYSA-N |
| UNII (FDA) | 2KAG279R6R |
| ChEBI ID | CHEBI:137426 |
| Molecular Weight | 168.15 |
|---|---|
| XLogP3 | 1 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 1 |
| Exact Mass | 168.04225873 |
| Monoisotopic Mass | 168.04225873 |
| Topological Polar Surface Area | 63.6 |
| Heavy Atom Count | 12 |
| Melting Point | 109 °C |
|---|
3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one; 771-03-9; DTXSID801015814; RefChem:1067258; DTXCID001160069; 2H-Pyran-2-one, 3-acetyl-4-hydroxy-6-methyl-; 3-acetyl-2-hydroxy-6-methyl-4H-pyran-4-one; 3-acetyl-4-hydroxy-6-methylpyran-2-one; MFCD00006634; 2KAG279R6R; NSC 8770; NSC-139150; 3-Acetyl-6-methyldihydropyrandione-2,4; 3-acetyl-6-methylpyran-2,4(3h)-dione; 3-Acetyl-4-hydroxy-6-methyl-pyran-2-one; 4-Hexenoic acid, 2-acetyl-5-hydroxy-3-oxo-, delta-lactone
Dehydroacetic acid is identified by CAS 520-45-6, molecular formula C8H8O4 and molecular weight 168.04 g/mol. UNII 2KAG279R6R; ChEBI 137426; InChIKey PKLPQOJFHFGVBS-UHFFFAOYSA-N. Melting Point: 109 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 脱氢乙酸