4-Methoxyphenol
SIAL/92264 - analytical standard
Synonym: 4-Hydroxyanisole; 4-MP; HQMME; Hydroquinone monomethyl ether; MEHQ; p-Guaiacol
CAS Number: 150-76-5
Empirical Formula (Hill Notation): C7H8O2
Molecular Weight: 124.14
EC Number: 205-769-8
MDL Number: MFCD00002332
Linear Formula: CH3OC6H4OH
Product Type: Chemical
| application(s) | cleaning products cosmetics environmental flavors and fragrances food and beverages personal care |
| assay | ≥98.5% (GC) |
| autoignition temp. | 789 °F |
| bp | 243 °C (lit.) |
| format | neat |
| grade | analytical standard |
| impurities | ≤0.5% water |
| InChI | 1S/C7H8O2/c1-9-7-4-2-6(8) |
| InChI key | NWVVVBRKAWDGAB-UHFFFAOYSA |
| mp | 55-57 °C (lit.) |
| Quality Level | 100 ![]() |
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | COc1ccc(O)cc1 |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable | |
| vapor density | 4.3 (vs air) |
| vapor pressure | <0.01 mmHg ( 20 °C) |
| Application: | 4-Methoxyphenol may be used as an analytical reference standard for the quantification of the analyte in cosmetic products using chromatography techniques. |
| Application: | Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. |
| General description: | 4-Methoxyphenol belongs to the class of hydroquinone (HQ) derivatives. It is widely used as a skin whitening agent, because it can exert hypo-pigmenting effects. It also finds applications as a stabilizer for chlorinated hydrocarbons, ethyl cellulose, UV (ultraviolet) inhibitor, inhibitor for acrylic monomers, etc. |
| Symbol | GHS07 |
| Signal word | Warning |
| Hazard statements | H302 - H317 - H319 - H412 |
| Precautionary statements | P261 - P273 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338 |
| Hazard Codes | Xn |
| Risk Statements | 22-36-43 |
| Safety Statements | 24/25-26-37/39-46 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥98.5% (GC) |
| bp | 243 °C (lit.) |
| mp | 55-57 °C (lit.) |
| UNSPSC | 85151701 |


