甲基琥珀酸，CAS 登记号 498-21-5，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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Methylsuccinic acid · CAS 498-21-5 · C5H8O4. UNII H1547KG7UZ. Melting Point: 232 to 234 °F (NTP, 1992); Vapor Pressure: 0.00105 [mmHg]; Collision Cross Section: 123.9 Ų [M-H]-.
| CAS Registry Number | 498-21-5 |
|---|---|
| PubChem CID | 10349 |
| Molecular formula | C5H8O4 |
| IUPAC name | 2-methylbutanedioic acid |
| UNII (FDA) | H1547KG7UZ |
| Molecular Weight | 132.11 |
|---|---|
| XLogP3 | -0.2 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 3 |
| Exact Mass | 132.04225873 |
| Monoisotopic Mass | 132.04225873 |
| Topological Polar Surface Area | 74.6 |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Melting Point | 232 to 234 °F (NTP, 1992) |
|---|---|
| Vapor Pressure | 0.00105 [mmHg] |
| Collision Cross Section | 123.9 Ų [M-H]- |
| Reported hazard statements | H315 (100%), H319 (100%), H335 (97.6%) |
|---|
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
2-Methylsuccinic acid; METHYLSUCCINIC ACID; 498-21-5; 2-Methylbutanedioic acid; Pyrotartaric acid; Butanedioic acid, methyl-; 1,2-Propanedicarboxylic acid; Succinic acid, methyl-; 2-methyl-butanedioic acid; Methylbutanedioic acid; Butanedioic acid, 2-methyl-; H1547KG7UZ; CHEBI:91315; NSC-5276; Methyl succinic acid; J6.105K
CAS 498-21-5; molecular formula C5H8O4; molecular weight — g/mol.
2-Methylsuccinic acid, METHYLSUCCINIC ACID, 498-21-5, 2-Methylbutanedioic acid, Pyrotartaric acid, Butanedioic acid, methyl-.
Hazard statements reported: H315, H319, H335.
Melting Point: 232 to 234 °F (NTP, 1992); Vapor Pressure: 0.00105 [mmHg]; Collision Cross Section: 123.9 Ų [M-H]-.
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.