4-乙基苯甲醛（CAS 4748-78-1）：分子式 C9H10O、分子量 134.17。
| CAS号 | 4748-78-1 |
|---|---|
| 分子式 | C9H10O |
| 分子量 | 134.17 |
| 沸点 | 220.00 to 222.00 °C. @ 760.00 mm Hg |
| LogP | 2.4 |
4-乙基苯甲醛 是一种化工化合物，登记 CAS 号为 4748-78-1，分子式 C9H10O（分子量 134.17）。
登记 CAS 号：4748-78-1
其分子式 C9H10O 由 9 个碳、10 个氢、1 个氧 组成。
别名/同义词：4-乙基苯甲醛 · 4-ethylbenzaldehyde
4-乙基苯甲醛 的 CAS 登记号为 4748-78-1。
分子式 C9H10O，分子量 134.17。
别名/同义词：4-乙基苯甲醛、4-ethylbenzaldehyde。
4-乙基苯甲醛（CAS 4748-78-1）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 4748-78-1 |
|---|---|
| PubChem CID | 20861 |
| Molecular formula | C9H10O |
| Molecular weight | 134.07 g/mol |
| IUPAC name | 4-ethylbenzaldehyde |
| InChIKey | QNGNSVIICDLXHT-UHFFFAOYSA-N |
| UNII (FDA) | 289PPW3SG4 |
| ChEBI ID | CHEBI:167400 |
| FEMA number | 3756 |
| JECFA number | 865 |
| Molecular Weight | 134.17 |
|---|---|
| XLogP3 | 2.4 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 2 |
| Exact Mass | 134.073164938 |
| Monoisotopic Mass | 134.073164938 |
| Topological Polar Surface Area | 17.1 |
| Heavy Atom Count | 10 |
| Boiling Point | 220.00 to 222.00 °C. @ 760.00 mm Hg |
|---|---|
| Boiling Point | 220 °C |
| Density | 0.980-1.000 |
| Refractive Index | 1.538-1.542 |
4-ETHYLBENZALDEHYDE; 4748-78-1; p-Ethylbenzaldehyde; Benzaldehyde, 4-ethyl-; 4-ethyl benzaldehyde; Ethylbenzaldehyde, p-; FEMA No. 3756; 289PPW3SG4; Benzaldehyde, P-ethyl-; DTXSID0047080; BENZALDEHYDE,4-ETHYL; EINECS 225-268-8; DTXCID8027080; 4-ETHYLBENZALDEHYDE [FHFI]; RefChem:522845; 225-268-8
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent No safety concern at current levels of intake when used as a flavouring agent TRS 909-JECFA 57/73 |
|---|
| Reported hazard statements | H302 (85.1%), H315 (15.3%), H319 (15.3%), H335 (13.9%) |
|---|
H302 (85.1%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (15.3%): Causes skin irritation [Warning Skin corrosion/irritation]
4-ethylbenzaldehyde is identified by CAS 4748-78-1, molecular formula C9H10O and molecular weight 134.07 g/mol. UNII 289PPW3SG4; ChEBI 167400; InChIKey QNGNSVIICDLXHT-UHFFFAOYSA-N. Boiling Point: 220.00 to 222.00 °C. @ 760.00 mm Hg; Boiling Point: 220 °C; Density: 0.980-1.000.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: 4-ethylbenzaldehyde