3,4-二甲氧基-3-环丁烯-1,2-二酮，CAS 登记号 5222-73-1，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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3,4-Dimethoxy-3-cyclobutene-1,2-dione · CAS 5222-73-1 · C6H6O4. UNII ST50823771.
| CAS Registry Number | 5222-73-1 |
|---|---|
| PubChem CID | 123227 |
| Molecular formula | C6H6O4 |
| IUPAC name | 3,4-dimethoxycyclobut-3-ene-1,2-dione |
| UNII (FDA) | ST50823771 |
| Molecular Weight | 142.11 |
|---|---|
| XLogP3 | -0.1 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 2 |
| Exact Mass | 142.02660867 |
| Monoisotopic Mass | 142.02660867 |
| Topological Polar Surface Area | 52.6 |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Reported hazard statements | H315 (17%), H317 (97.9%), H319 (17%), H334 (97.9%), H335 (12.8%) |
|---|
H315 (17%): Causes skin irritation [Warning Skin corrosion/irritation]
H317 (97.9%): May cause an allergic skin reaction [Warning Sensitization, Skin]
3,4-Dimethoxy-3-cyclobutene-1,2-dione; 5222-73-1; Dimethyl squarate; 3-Cyclobutene-1,2-dione, 3,4-dimethoxy-; DTXSID40200269; RefChem:500663; DTXCID90122760; 627-380-6; 3,4-dimethoxycyclobut-3-ene-1,2-dione; dimethoxycyclobut-3-ene-1,2-dione; MFCD00101316; SCHEMBL239276; 3-Cyclobutene-1,2-dione,3,4-dimethoxy-; CS-W005055; 1,2-dimethoxycyclobut-1-ene-3,4-dione; 3,4-dimethoxy-3-cyclobutene-1.2-dione
CAS 5222-73-1; molecular formula C6H6O4; molecular weight — g/mol.
3,4-Dimethoxy-3-cyclobutene-1,2-dione, 5222-73-1, Dimethyl squarate, 3-Cyclobutene-1,2-dione, 3,4-dimethoxy-, DTXSID40200269, RefChem:500663.
Hazard statements reported: H315, H317, H319, H334, H335.
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.