5,5-二甲基-1,3-环己二酮，CAS 登记号 126-81-8，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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本页已列出 5,5-二甲基-1,3-环己二酮 的 CAS 号：126-81-8，可与随货 COA 核对。
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5,5-Dimethyl-1,3-cyclohexanedione · CAS 126-81-8 · C8H12O2. UNII B2B5DSX2FC. Vapor Pressure: 0.06 [mmHg].
| CAS Registry Number | 126-81-8 |
|---|---|
| PubChem CID | 31358 |
| Molecular formula | C8H12O2 |
| IUPAC name | 5,5-dimethylcyclohexane-1,3-dione |
| UNII (FDA) | B2B5DSX2FC |
| Molecular Weight | 140.18 |
|---|---|
| XLogP3 | 0.8 |
| 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 |
| Vapor Pressure | 0.06 [mmHg] |
|---|
| GHS notification summary | 70% (7 / 10) |
|---|
| GHS notification summary | 70% (7 / 10) |
|---|---|
| Reported hazard statements | H315 (30%), H319 (30%), H335 (30%) |
This chemical does not meet GHS hazard criteria for 70% (7 of 10) of all reports.
H315 (30%): Causes skin irritation [Warning Skin corrosion/irritation]
Dimedone; 126-81-8; 5,5-DIMETHYL-1,3-CYCLOHEXANEDIONE; Methone; Cyclomethone; Medon; Dimedon; 1,3-Cyclohexanedione, 5,5-dimethyl-; Methon; 1,1-Dimethyl-3,5-diketocyclohexane; 1,1-Dimethyl-3,5-cyclohexanedione; LU 274; B2B5DSX2FC; NSC-14984; DTXSID8021987; RefChem:134141
CAS 126-81-8; molecular formula C8H12O2; molecular weight — g/mol.
Dimedone, 126-81-8, 5,5-DIMETHYL-1,3-CYCLOHEXANEDIONE, Methone, Cyclomethone, Medon.
70% of GHS notifications report no hazard classification (7 of 10).
Vapor Pressure: 0.06 [mmHg].
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.