(4-甲基苯基)乙醛（CAS 104-09-6）：分子式 C9H10O、分子量 134.17。
| CAS号 | 104-09-6 |
|---|---|
| 分子式 | C9H10O |
| 分子量 | 134.17 |
| 熔点 | 40 °C |
| 沸点 | 221.00 to 222.00 °C. @ 760.00 mm Hg |
| LogP | 1.9 |
(4-甲基苯基)乙醛 是一种化工化合物，登记 CAS 号为 104-09-6，分子式 C9H10O（分子量 134.17）。
登记 CAS 号：104-09-6
其分子式 C9H10O 由 9 个碳、10 个氢、1 个氧 组成。
别名/同义词：(4-甲基苯基)乙醛 · p-tolylacetaldehyde
(4-甲基苯基)乙醛 的 CAS 登记号为 104-09-6。
分子式 C9H10O，分子量 134.17。
别名/同义词：(4-甲基苯基)乙醛、p-tolylacetaldehyde。
(4-甲基苯基)乙醛（CAS 104-09-6）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 104-09-6 |
|---|---|
| PubChem CID | 61006 |
| Molecular formula | C9H10O |
| Molecular weight | 134.07 g/mol |
| IUPAC name | 2-(4-methylphenyl)acetaldehyde |
| InChIKey | CIXAYNMKFFQEFU-UHFFFAOYSA-N |
| UNII (FDA) | 7L6760H4LH |
| ChEBI ID | CHEBI:178623 |
| FEMA number | 3071 |
| JECFA number | 1023 |
| Molecular Weight | 134.17 |
|---|---|
| XLogP3 | 1.9 |
| 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 | 221.00 to 222.00 °C. @ 760.00 mm Hg |
|---|---|
| Boiling Point | 210 °C |
| Melting Point | 40 °C |
| Solubility | 1162 mg/L @ 20 °C (exp) |
| Density | 1.010-1.016 |
| Refractive Index | 1.530-1.549 |
104-09-6; (4-Methylphenyl)acetaldehyde; 2-(4-methylphenyl)acetaldehyde; p-Tolylacetaldehyde; P-METHYLPHENYLACETALDEHYDE; BENZENEACETALDEHYDE, 4-METHYL-; Lilac acetaldehyde; 4-Methylbenzeneacetaldehyde; Acetaldehyde, p-tolyl-; FEMA No. 3071; Methylphenylacetaldehyde, p-; EINECS 203-173-2; 7L6760H4LH; DTXSID0051524; P-TOLYLACETALDEHYDE [FHFI]; RefChem:799163
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: 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 | H317 (89.3%), H318 (10.7%) |
|---|
H317 (89.3%): May cause an allergic skin reaction [Warning Sensitization, Skin]
H318 (10.7%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
p-tolylacetaldehyde is identified by CAS 104-09-6, molecular formula C9H10O and molecular weight 134.07 g/mol. UNII 7L6760H4LH; ChEBI 178623; InChIKey CIXAYNMKFFQEFU-UHFFFAOYSA-N. Boiling Point: 221.00 to 222.00 °C. @ 760.00 mm Hg; Boiling Point: 210 °C; Melting Point: 40 °C.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: p-tolylacetaldehyde