Citraconic anhydride (CAS 616-02-4) — formula C5H4O3, molecular weight 112.08; category organic chemicals.
Citraconic anhydride (CAS 616-02-4) is a chemical raw material in the organic chemicals category. Its molecular formula C5H4O3 comprises 5 C, 4 H, 3 O atoms. Its molecular weight is about 112.08. Reported physicochemical data: melting point around 7-8 °C, boiling point around 213-214 °C @ 760 MM HG, LogP about 0.2. 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 | 616-02-4 |
|---|---|
| Molecular Formula | C5H4O3 |
| Molecular Weight | 112.08 |
| Melting Point | 7-8 °C |
| Boiling Point | 213-214 °C @ 760 MM HG |
| LogP | 0.2 |
| Applications | reagent for alkalies, alcohols, and amines, as monomer for specialty unsaturated polyester resins, MONOMER FOR SPECIALTY UNSATURATED POLYESTER RESINS, ANALYTICAL REAGENT FOR ALKALIES |
| Category | Organic Chemicals |
Documented applications: reagent for alkalies, alcohols, and amines, as monomer for specialty unsaturated polyester resins, MONOMER FOR SPECIALTY UNSATURATED POLYESTER RESINS, ANALYTICAL REAGENT FOR ALKALIES.
Citraconic anhydride is a carbon-based organic compound with CAS registry number 616-02-4 and molecular formula C5H4O3 (molecular weight 112.08), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 616-02-4
Its molecular formula C5H4O3 comprises 5 C, 4 H, 3 O atoms.
Also known as: Citraconic anhydride · 柠康酸酐
Category: organic chemicals
The CAS registry number of Citraconic anhydride is 616-02-4.
Molecular formula C5H4O3, molecular weight 112.08.
It is also registered under: Citraconic anhydride, 柠康酸酐.
Recorded applications: reagent for alkalies, alcohols, and amines, as monomer for specialty unsaturated polyester resins, MONOMER FOR SPECIALTY UNSATURATED POLYESTER RESINS, ANALYTICAL REAGENT FOR ALKALIES.
Category: Organic Chemicals.
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 Citraconic anhydride (CAS 616-02-4), compiled from public chemistry databases.
| CAS Registry Number | 616-02-4 |
|---|---|
| PubChem CID | 12012 |
| Molecular formula | C5H4O3 |
| IUPAC name | 3-methylfuran-2,5-dione |
| UNII (FDA) | 105NP7PMXX |
| Molecular Weight | 112.08 |
|---|---|
| XLogP3 | 0.2 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 112.016043985 |
| Monoisotopic Mass | 112.016043985 |
| Topological Polar Surface Area | 43.4 |
| Heavy Atom Count | 8 |
| Boiling Point | 213-214 °C @ 760 MM HG |
|---|---|
| Melting Point | 7-8 °C |
| Density | 1.2469 @ 16 °C/4 °C |
| Vapor Pressure | 1 MM HG @ 47.1 °C |
Citraconic Anhydrides; Anhydride, Citraconic; Anhydrides, Citraconic; Methylmaleic Anhydrides; Anhydrides, Methylmaleic; 2 Methylmaleic Anhydride; Anhydride, 2-Methylmaleic; RefChem:388886; Citraconic anhydride; 616-02-4; 3-methylfuran-2,5-dione; 2-Methylmaleic anhydride; 2,5-Furandione, 3-methyl-; METHYLMALEIC ANHYDRIDE; 3-Methylmaleic anhydride; Citraconic acid anhydride
| Reported hazard statements | H311 (23.9%), H314 (95.5%), H317 (96.4%), H318 (73.4%), H334 (95.5%), H335 (19.8%) |
|---|
H311 (23.9%): Toxic in contact with skin [Danger Acute toxicity, dermal]
H314 (95.5%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
Citraconic anhydride · CAS 616-02-4 · C5H4O3. UNII 105NP7PMXX. Boiling Point: 213-214 °C @ 760 MM HG; Melting Point: 7-8 °C; Density: 1.2469 @ 16 °C/4 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 柠康酸酐