P-hydroxyanisole
Brief Introduction:
p-Hydroxyanisole, also known as 4-methoxyphenol, hydroquinone monomethyl ether or p-methoxyphenol, the CAS number is: 150-76-5, the molecular formula is: C7H8O2, the appearance is white flake crystals or white needle crystals. Easily soluble in ethanol, ether, acetone, benzene, ethyl acetate, and slightly soluble in water.
It is mainly used as polymerization inhibitor of vinyl plastic monomers, UV inhibitors, dye intermediates, and used in the synthesis of edible oils and cosmetics antioxidant BHA, etc.
Specifications of our P-hydroxyanisole(4-Methoxyphenol):
| Test Items | Specifications |
| Appearance | White flake crystals or white needle crystals |
| Melting Point | 54.5℃ ~ 56.5℃ |
| Hydroquinone | Less than 0.03% |
| Hydroquinone Dimethyl Ether | Negative |
| Heavy Metals | Not more than 0.001% |
| Chrominance | Not more than 10 |
| Loss on Drying | Not more than 0.3% |
| Residue on Ignition | Not more than 0.01% |
| Purity | Not less than 99.5% |
Applications of our P-hydroxyanisole(4-Methoxyphenol):
1. Pharmaceutical Industry:
4-Methoxyphenol(p-hydroxyanisole) has analgesic and anti-inflammatory effects and is often used in the pharmaceutical field. It can be used as an ingredient in medicines to prepare analgesics and anti-inflammatory drugs. In addition, p-hydroxyanisole can also be used as a raw material for anesthetics to prepare local anesthetic drugs.
2. Cosmetics Industry:
P-hydroxyanisole can be used as an antioxidant and preservative in cosmetics. It can effectively extend the shelf life of cosmetics, protect products from microbial contamination and oxidation, and also provide additional skin care effects to make skin smoother and more delicate.
3. Food Industry:
Parahydroxyanisole can be used as a food additive to prevent food from deteriorating and extend its shelf life. It can inhibit the growth and reproduction of microorganisms and maintain the freshness and taste of food. In some food processing processes, p-hydroxyanisole can also be used as a flavouring agent to give food a unique flavour and aroma.
4. Printing Industry:
P-hydroxyanisole can be used as a stabilizer for inks and pigments. During the printing process, it prevents colour degradation and deterioration of inks and pigments, improving the quality and durability of printed matter.
5. Chemical Synthesis:
P-hydroxyanisole is an important raw material for organic synthesis. It can be used to synthesize various organic compounds, such as ketones, alcohols and ethers. P-hydroxyanisole can also serve as a catalyst and solvent, playing an important role in chemical reactions.
6. Other Application Areas:
P-hydroxyanisole can also be used to prepare dyes, perfumes and resins. In some industrial production processes, it can be used as a solvent and stabilizer to improve product quality and stability.
Packaging:
25kg per paper-plastic composite bag or according to the specific requirements from the customers.
Storage Conditions:
Preserved in unopened original containers in a cool dry place before using; kept away from direct sunlight, heat and moisture.
Shelf Life:
12 months if stored under above mentioned conditions.
