High Quality 4-Methoxyphenol CAS 150-76-5 - 4-Methoxyphenol and 150-76-5
4-Methoxyphenol CAS 150-76-5
It is an important intermediate for fine chemical products such as pharmaceuticals, spices, and pesticides. It can also be used as a polymerization inhibitor, antioxidant, plasticizer, etc., with a very wide range of applications. It is mainly used as a polymerization inhibitor for producing alkene monomers such as acrylonitrile, acrylic acid and its esters, methacrylic acid and its esters. Its greatest advantage is that when in use, it is not necessary to remove p-hydroxyanisole; it can directly participate in polymerization. It is also used in the synthesis of antioxidants, plasticizers, and food additives (BHA), etc.
Product Details
| Product Name | 4-Methoxyphenol |
| Synonyms | Hydroquinone monomethyl ether; MEHQ; Mequinol; p-Hydroxyanisole; 4-Methoxy phenol; 4-Hydroxy anisol; Hydrochinon monomethylether; 4-Methoxyphenol (Hydroquinone monomethyl ether); 4-mehtoxyphenol; 4-Hydroxy Anisole; 1-Hyroxy-4-methoxy benzene; ; benzene-1,4-diol - methoxymethane (1:1); phenoxymethanol |
| Molecular Formula | C7H8O2 |
| Molecular Weight | 124.1372 |
| CAS Registry Number | 150-76-5 |
| EINECS | 205-769-8 |
| Molecular Structure |  |
product advantages
- Efficient Antioxidant and Polymerization Inhibiting Performance: It rapidly scavenges free radicals, effectively inhibiting the oxidative deterioration and self-polymerization of polymers (such as rubber, plastics, resins) and monomers (such as styrene, acrylates) during storage, transportation, and processing. Its polymerization inhibition efficiency is superior to that of similar phenolic antioxidants.
- Excellent Thermal Stability and Compatibility: It is resistant to high temperatures, does not decompose or volatilize under conventional processing temperatures (e.g., plastic extrusion, rubber vulcanization), and has good compatibility with most polymers, organic solvents, and other additives (e.g., plasticizers, stabilizers) without affecting the appearance and performance of the final products.
- Low Toxicity and High Safety: It has low acute toxicity, with weak oral and dermal toxicity. It meets the safety standards for food contact materials, cosmetics, and other fields, and is relatively friendly to humans and the environment.
- Wide Applicability and Controllable Cost: It has moderate water and oil solubility, suitable for both aqueous and oil-based systems. Meanwhile, its mature production process keeps the price lower than high-end special antioxidants, offering excellent cost-effectiveness.
product applications
1. Polymer Materials Field
• As a monomer polymerization inhibitor: Added to unsaturated monomers such as styrene, methyl methacrylate, and ethyl acrylate to prevent self-polymerization during distillation and storage, extending the storage period.
• As a polymer antioxidant: Used in products like polyethylene, polypropylene, rubber (natural rubber, synthetic rubber), and resins (epoxy resin, polyurethane resin) to delay material aging, brittleness, and discoloration, and improve service life.
2. Food and Cosmetics Field
• Food industry: Used as a food antioxidant (one of the permitted food additives) in oils, fried foods, pastries, nuts, etc., to inhibit lipid oxidation and rancidity, and extend food shelf life.
• Cosmetics industry: Added to emulsions, creams, lipsticks, and other products to prevent oxidative deterioration of oil components, protect active ingredients (e.g., vitamins) from damage, and maintain cosmetic stability.
3. Other Industrial Fields
• Pharmaceutical industry: Applied in the storage and processing of pharmaceutical raw materials (e.g., steroid hormones, antibiotics) to prevent oxidative degradation of drug components and ensure stable efficacy.
• Coatings and inks industry: Used as an antioxidant and stabilizer in coatings and inks to prevent gelation during storage and construction, and improve the storage stability and service life of coatings.
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