3-METHYL-2-PENTYL-2-CYCLOPENTEN-1-ONE（CAS 1128-08-1）：分子式 C11H18O、分子量 166.26。
3-METHYL-2-PENTYL-2-CYCLOPENTEN-1-ONE 是一种化工化合物，登记 CAS 号为 1128-08-1，分子式 C11H18O（分子量 166.26）。
登记 CAS 号：1128-08-1
其分子式 C11H18O 由 11 个碳、18 个氢、1 个氧 组成。
别名/同义词：3-METHYL-2-PENTYL-2-CYCLOPENTEN-1-ONE · Dihydrojasmone;2-Pentyl-3-methyl-2-cyclopenten-1-one · Dihydrojasmone(2-Pentyl-3-methyl-2-cyclopenten-1-one)
3-METHYL-2-PENTYL-2-CYCLOPENTEN-1-ONE 的 CAS 登记号为 1128-08-1。
分子式 C11H18O，分子量 166.26。
别名/同义词：3-METHYL-2-PENTYL-2-CYCLOPENTEN-1-ONE、Dihydrojasmone;2-Pentyl-3-methyl-2-cyclopenten-1-one、Dihydrojasmone(2-Pentyl-3-methyl-2-cyclopenten-1-one)。
3-METHYL-2-PENTYL-2-CYCLOPENTEN-1-ONE（CAS 1128-08-1）的公开数据库记录，列此仅供独立核对。
| GHS notification summary | 21.2% (347 / 1635) |
|---|---|
| Reported hazard statements | H319 (78.8%) |
This chemical does not meet GHS hazard criteria for 21.2% (347 of 1635) of reports.
H319 (78.8%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Floral No safety concern at current levels of intake when used as a flavouring agent |
|---|---|
| GHS notification summary | 21.2% (347 / 1635) |
| 沸点 | 79 °C (0.19 mm Hg) |
|---|---|
| 密度 | 0.911-0.917 |
| 折射率 | 1.676-1.682 |
| CAS Registry Number | 1128-08-1 |
|---|---|
| PubChem CID | 62378 |
| 分子式 | C11H18O |
| 分子量 | 166.14 g/mol |
| IUPAC 名称 | 3-methyl-2-pentylcyclopent-2-en-1-one |
| InChIKey | YCIXWYOBMVNGTB-UHFFFAOYSA-N |
| UNII（FDA） | Y953R7PP90 |
| ChEBI 编号 | CHEBI:143730 |
| FEMA 编号 | 3763 |
| JECFA 编号 | 1406 |
Dihydrojasmone; 1128-08-1; 3-Methyl-2-pentylcyclopent-2-enone; 2-CYCLOPENTEN-1-ONE, 3-METHYL-2-PENTYL-; FEMA No. 3763; 3-Methyl-2-(n-pentanyl)-2-cyclopenten-1-one; DTXSID4051584; Y953R7PP90; NSC-71928; RefChem:133852; DTXCID8030136; 214-434-5; 3-methyl-2-pentylcyclopent-2-en-1-one; 2-Pentyl-3-methyl-2-cyclopenten-1-one; Jasmone, dihydro-; Dihydrojasmone (natural)
| 分子量 | 166.26 |
|---|---|
| XLogP3 | 2.9 |
| 氢键供体数 | 0 |
| 氢键受体数 | 1 |
| 可旋转键数 | 4 |
| 精确质量 | 166.135765193 |
| 单同位素质量 | 166.135765193 |
| 拓扑极性表面积 | 17.1 |
| 重原子数 | 12 |
| 形式电荷 | 0 |
Dihydrojasmone(2-Pentyl-3-methyl-2-cyclopenten-1-one) is identified by CAS 1128-08-1, molecular formula C11H18O and molecular weight 166.14 g/mol. UNII Y953R7PP90; ChEBI 143730; InChIKey YCIXWYOBMVNGTB-UHFFFAOYSA-N. 沸点: 79 °C (0.19 mm Hg); 密度: 0.911-0.917; Refractive Index: 1.676-1.682.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。