乙炔二甲酸单钾盐，CAS 登记号 928-04-1，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，下游主要用于无机化学品。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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Acetylenedicarboxylic acid monopotassium salt · CAS 928-04-1 · C4HKO4. UNII ST51038531.
| CAS Registry Number | 928-04-1 |
|---|---|
| PubChem CID | 23677964 |
| Molecular formula | C4HKO4 |
| IUPAC name | potassium 4-hydroxy-4-oxobut-2-ynoate |
| UNII (FDA) | ST51038531 |
| Molecular Weight | 152.15 |
|---|---|
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 151.95118999 |
| Monoisotopic Mass | 151.95118999 |
| Topological Polar Surface Area | 77.4 |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 183 |
| Reported hazard statements | H301 (100%), H310 (95.5%), H315 (97.7%), H319 (97.7%), H331 (88.6%), H335 (95.5%) |
|---|
H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]
H310 (95.5%): Fatal in contact with skin [Danger Acute toxicity, dermal]
928-04-1; Acetylenedicarboxylic acid monopotassium salt; 2-Butynedioic acid, monopotassium salt; potassium 3-carboxyprop-2-ynoate; U-4783; Potassium 3-carboxypropiolate; Potassium Hydrogen Acetylenedicarboxylate; Monopotassium Acetylenedicarboxylate; MFCD00013143; potassium;4-hydroxy-4-oxobut-2-ynoate; NSC 631597; Potassium hydrogen butynedioate; monopotassium butynedioate; but-2-ynedioic acid, potassium salt; Acetylenedicarboxylic; timtec-bb sbb008993
CAS 928-04-1; molecular formula C4HKO4; molecular weight — g/mol.
928-04-1, Acetylenedicarboxylic acid monopotassium salt, 2-Butynedioic acid, monopotassium salt, potassium 3-carboxyprop-2-ynoate, U-4783, Potassium 3-carboxypropiolate.
Hazard statements reported: H301, H310, H315, H319, H331.
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.