柠康酸，CAS 登记号 498-23-7，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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Citraconic acid · CAS 498-23-7 · C5H6O4. UNII 90UTM639KK. Melting Point: 200 - 202 °C; Solubility: 26.3 mg/mL at 18 °C.
| CAS Registry Number | 498-23-7 |
|---|---|
| PubChem CID | 638129 |
| Molecular formula | C5H6O4 |
| IUPAC name | (E)-2-methylbut-2-enedioic acid |
| UNII (FDA) | 90UTM639KK |
| Molecular Weight | 130.10 |
|---|---|
| XLogP3 | -0.1 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 2 |
| Exact Mass | 130.02660867 |
| Monoisotopic Mass | 130.02660867 |
| Topological Polar Surface Area | 74.6 |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Melting Point | 200 - 202 °C |
|---|---|
| Solubility | 26.3 mg/mL at 18 °C |
| Reported hazard statements | H315 (100%), H319 (100%), H335 (97.4%) |
|---|
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
mesaconic acid; 498-24-8; 2-Methylfumaric acid; 2-Butenedioic acid, 2-methyl-, (2E)-; Fumaric acid, methyl-; (2E)-2-METHYLBUT-2-ENEDIOIC ACID; Citronic acid; (E)-2-methylbut-2-enedioic acid; trans-2-Methyl-2-butenedioic acid; trans-1-Propene-1,2-dicarboxylic acid; Kyselina mesakonova; Butenedioic acid, methyl-, (E)-; 2-Butenedioic acid, 2-methyl-, (E)-; Kyselina mesakonova [Czech]; (E)-Citraconic acid; 2-methyl-2E-butenedioic acid
CAS 498-23-7; molecular formula C5H6O4; molecular weight — g/mol.
mesaconic acid, 498-24-8, 2-Methylfumaric acid, 2-Butenedioic acid, 2-methyl-, (2E)-, Fumaric acid, methyl-, (2E)-2-METHYLBUT-2-ENEDIOIC ACID.
Hazard statements reported: H315, H319, H335.
Melting Point: 200 - 202 °C; Solubility: 26.3 mg/mL at 18 °C.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.