2,4-二甲基-2-戊烯酸，CAS 登记号 21016-46-6，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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2,4-Dimethyl-2-pentenoic acid · CAS 21016-46-6 · C9H16O2. UNII NS00021845.
| CAS Registry Number | 21016-46-6 |
|---|---|
| PubChem CID | 12550535 |
| Molecular formula | C9H16O2 |
| IUPAC name | ethyl (E)-2,4-dimethylpent-2-enoate |
| UNII (FDA) | NS00021845 |
| Molecular Weight | 156.22 |
|---|---|
| XLogP3 | 2.4 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 4 |
| Exact Mass | 156.115029749 |
| Monoisotopic Mass | 156.115029749 |
| Topological Polar Surface Area | 26.3 |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| GHS notification summary | 23.6% (13 / 55) |
|---|
| GHS notification summary | 23.6% (13 / 55) |
|---|---|
| Reported hazard statements | H319 (69.1%) |
This chemical does not meet GHS hazard criteria for 23.6% (13 of 55) of reports.
H319 (69.1%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
2-Pentenoic acid, 2,4-dimethyl-, ethyl ester, (2E)-; ethyl (E)-2,4-dimethylpent-2-enoate; ethyl (2E)-2,4-dimethyl-2-pentenoate; DTXSID0074392; RefChem:477870; DTXCID6036411; 606-686-3; 21016-46-6; ethyl 2,4-dimethyl-2-pentenoate; Ethyl (2E)-2,4-dimethylpent-2-enoate; SCHEMBL5076118; ethyl-2,4-dimethyl-2-pentenoate; NS00021845; (E)-2,4-dimethyl-pent-2-enoic acid ethyl ester
CAS 21016-46-6; molecular formula C9H16O2; molecular weight — g/mol.
2-Pentenoic acid, 2,4-dimethyl-, ethyl ester, (2E)-, ethyl (E)-2,4-dimethylpent-2-enoate, ethyl (2E)-2,4-dimethyl-2-pentenoate, DTXSID0074392, RefChem:477870, DTXCID6036411.
23.6% of GHS notifications report no hazard classification (13 of 55).
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.