四甲基环丁烷-1,3-二酮，CAS 登记号 933-52-8，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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Tetramethylcyclobutane-1,3-dione · CAS 933-52-8 · C8H12O2. UNII RT4AQ22KS4.
| CAS Registry Number | 933-52-8 |
|---|---|
| PubChem CID | 13617 |
| Molecular formula | C8H12O2 |
| IUPAC name | 2,2,4,4-tetramethylcyclobutane-1,3-dione |
| UNII (FDA) | RT4AQ22KS4 |
| Molecular Weight | 140.18 |
|---|---|
| XLogP3 | 1.7 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 140.083729621 |
| Monoisotopic Mass | 140.083729621 |
| Topological Polar Surface Area | 34.1 |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| GHS notification summary | 50% (1 / 2) |
|---|
| GHS notification summary | 50% (1 / 2) |
|---|---|
| Reported hazard statements | H315 (50%), H319 (50%), H335 (50%) |
This chemical does not meet GHS hazard criteria for 50% (1 of 2) of reports.
H315 (50%): Causes skin irritation [Warning Skin corrosion/irritation]
933-52-8; Tetramethylcyclobutane-1,3-dione; 2,2,4,4-tetramethylcyclobutane-1,3-dione; 1,3-Cyclobutanedione, 2,2,4,4-tetramethyl-; 2,2,4,4-TETRAMETHYL-1,3-CYCLOBUTANEDIONE; Tetramethylcyclobuta-1,3-dione; 1,1,3,3-Tetramethylcyclobutanedione; NSC 72172; HSDB 5522; RT4AQ22KS4; EINECS 213-269-6; NSC 46472; DTXSID4044745; AI3-15918; NSC-46472; NSC-72172
CAS 933-52-8; molecular formula C8H12O2; molecular weight — g/mol.
933-52-8, Tetramethylcyclobutane-1,3-dione, 2,2,4,4-tetramethylcyclobutane-1,3-dione, 1,3-Cyclobutanedione, 2,2,4,4-tetramethyl-, 2,2,4,4-TETRAMETHYL-1,3-CYCLOBUTANEDIONE, Tetramethylcyclobuta-1,3-dione.
50% of GHS notifications report no hazard classification (1 of 2).
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.