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Specifications of Hydroquinone monomethyl ether (4-Methoxyphenol)丨150-76-5
|
Property |
Specification |
|
Appearance |
White flaky crystals |
|
Assay |
99.5% min |
|
Melting Point (M.P) |
54~56.5°C |
|
Hydroquinone |
0.05% max |
|
Residue on ignition |
0.01% max |
|
Heavy metal (Pb) |
0.001% max |
|
Dimethyl hydroquinone ether |
N.D (Not Detected) |
|
Color |
10 APHA max |
|
Loss on drying |
0.3% max |
Hydroquinone monomethyl ether (4-Methoxyphenol)丨150-76-5: Overview, Applications, and Benefits
Hydroquinone monomethyl ether, also known as 4-methoxyphenol or MEHQ, with the Chemical Abstracts Service (CAS) number 150-76-5, is an organic compound. It is a derivative of hydroquinone, where one of the hydroxyl groups is replaced by a methoxy group. This compound is widely used in industrial and chemical processes due to its antioxidant properties and role as a polymerization inhibitor.
Applications of Hydroquinone monomethyl ether (4-Methoxyphenol)丨150-76-5
1. Polymerization Inhibitor:
- 4-Methoxyphenol is commonly used as a stabilizer or inhibitor in the production and storage of monomers such as acrylates, styrene, and vinyl acetate. It prevents premature polymerization during manufacturing, storage, and transportation.
2. Antioxidant:
- It is used as an antioxidant in various industrial applications, including the stabilization of oils, fats, and other organic materials susceptible to oxidation.
3. Chemical Synthesis:
- Hydroquinone monomethyl ether (4-Methoxyphenol)丨150-76-5 serves as an intermediate in the synthesis of other chemicals, including pharmaceuticals, dyes, and fragrances.
4. Photography:
- It has been used in photographic developers as a reducing agent to enhance image quality.
5. Cosmetics and Personal Care:
- In some formulations, 4-methoxyphenol is used as a preservative or antioxidant to extend the shelf life of products.
Benefits of Hydroquinone monomethyl ether (4-Methoxyphenol)丨150-76-5
1. Effective Stabilizer:
- Its ability to inhibit polymerization makes it invaluable in the production and handling of reactive monomers, ensuring product quality and safety.
2. Antioxidant Properties:
- 4-Methoxyphenol helps prevent the degradation of materials caused by oxidation, extending their usability and shelf life.
3. Versatility:
- It is used across multiple industries, including chemicals, plastics, photography, and cosmetics, highlighting its broad applicability.
4. Cost-Effectiveness:
- As a commercially available chemical, 4-methoxyphenol is relatively affordable, making it accessible for industrial use.
Safety and Environmental Considerations
While Hydroquinone monomethyl ether (4-Methoxyphenol)丨150-76-5 is useful, it must be handled with care. It can cause skin and eye irritation, and prolonged exposure may have health risks. Proper safety measures, such as wearing protective equipment and working in well-ventilated areas, should be followed. Additionally, its environmental impact should be considered, as it may be toxic to aquatic life.
Conclusion
Hydroquinone monomethyl ether (4-Methoxyphenol)丨150-76-5 is a versatile and valuable chemical with applications as a polymerization inhibitor, antioxidant, and intermediate in chemical synthesis. Its effectiveness in stabilizing reactive monomers and preventing oxidation makes it indispensable in various industries. However, proper handling and disposal are essential to ensure safety and minimize environmental impact.
