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การจัดส่ง:快递, 空运, 陆运, 海运
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1. Basic Identification Information
| Parameter | English Specification/Value |
|---|---|
| IUPAC Name | (E)-3-(4-Methoxyphenyl)-2-propenoic acid 2-ethylhexyl ester (also: 2-ethylhexyl 4-methoxycinnamate) |
| Common Name(s) | Octinoxate; OMC; Ethylhexyl methoxycinnamate; Parsol MCX; Eusolex 2292; Neo Heliopan AV |
| CAS Registry Number | 5466-77-3 |
| EC/EINECS Number | 226-775-7 |
| Molecular Formula | C₁₈H₂₆O₃ |
| Molecular Weight | 290.40 g/mol |
| Chemical Class | Cinnamate ester; organic UV-B filter; sunscreen agent; personal care preservative |
2. Physicochemical Properties
| Property Category | Specific Parameter | Specification/Value |
|---|---|---|
| Structural Features | Functional Groups | Methoxy group (-OCH₃); cinnamate ester linkage (-COO-); trans configuration (E-isomer) |
| Physical Appearance | State & Color | Clear, colorless to pale yellow liquid; very faint, characteristic ester-like odor |
| Melting Point | -20 to -18 °C (liquid at room temperature) | |
| Boiling Point | 198–200 °C at 1 mmHg; 350–360 °C at atmospheric pressure (decomposes slightly) | |
| Density (25 °C) | 1.00–1.01 g/cm³ | |
| Refractive Index (25 °C) | 1.5350–1.5370 |
