2-甲基五-3,4-二烯酸乙酯（CAS 60523-21-9）：分子式 C8H12O2、分子量 140.18。
| CAS号 | 60523-21-9 |
|---|---|
| 分子式 | C8H12O2 |
| 分子量 | 140.18 |
| 沸点 | 160 °C |
| LogP | 1.4 |
2-甲基五-3,4-二烯酸乙酯 是一种化工化合物，登记 CAS 号为 60523-21-9，分子式 C8H12O2（分子量 140.18）。
登记 CAS 号：60523-21-9
其分子式 C8H12O2 由 8 个碳、12 个氢、2 个氧 组成。
别名/同义词：2-甲基五-3,4-二烯酸乙酯 · ethyl 2-methylpenta-3,4-dienoate
2-甲基五-3,4-二烯酸乙酯 的 CAS 登记号为 60523-21-9。
分子式 C8H12O2，分子量 140.18。
别名/同义词：2-甲基五-3,4-二烯酸乙酯、ethyl 2-methylpenta-3,4-dienoate。
2-甲基五-3,4-二烯酸乙酯（CAS 60523-21-9）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 60523-21-9 |
|---|---|
| PubChem CID | 62166 |
| Molecular formula | C8H12O2 |
| IUPAC name | ethyl 2-methylpenta-3,4-dienoate |
| UNII (FDA) | ZBL6PWV9J9 |
| FEMA number | 3678 |
| JECFA number | 353 |
| Molecular Weight | 140.18 |
|---|---|
| XLogP3 | 1.4 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 4 |
| Exact Mass | 140.083729621 |
| Monoisotopic Mass | 140.083729621 |
| Topological Polar Surface Area | 26.3 |
| Heavy Atom Count | 10 |
| Boiling Point | 160 °C |
|---|---|
| Density | 0.922-0.928 |
| Refractive Index | 1.446-1.452 |
Ethyl 2-methyl-3,4-pentadienoate; Ethyl 2-methylpenta-3,4-dienoate; berry pentadienoate; 3,4-Pentadienoic acid, 2-methyl-, ethyl ester; FEMA No. 3678; 2-Methyl-3,4-pentadienoic acid, ethyl ester; BRN 1926000; UNII-ZBL6PWV9J9; ZBL6PWV9J9; EINECS 262-278-1; DTXSID30866813; ETHYL 2-METHYL-3,4-PENTADIENOATE [FHFI]; RefChem:138618; DTXCID80815053; (+-)-ETHYL 2-METHYL-3,4-PENTADIENOATE; 60523-21-9
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Fruit No safety concern at current levels of intake when used as a flavouring agent |
|---|
| Reported hazard statements | H226 (100%), H302 (99.6%) |
|---|
H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]
H302 (99.6%): Harmful if swallowed [Warning Acute toxicity, oral]
ethyl 2-methylpenta-3,4-dienoate · CAS 60523-21-9 · C8H12O2. UNII ZBL6PWV9J9. Boiling Point: 160 °C; Density: 0.922-0.928; Refractive Index: 1.446-1.452.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: ethyl 2-methylpenta-3,4-dienoate