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4-tert-Butylphenol, also known as p-tert-Butylphenol, MF: C₁₀H₁₄O, MW: 150.22. It is an aromatic compound bearing a phenolic hydroxyl group and a tert-butyl substituent. At room temperature, it exists as a white crystalline powder with a faint phenolic odor. It exhibits typical reactivity of phenolic compounds, with the phenolic hydroxyl group capable of undergoing esterification, etherification, sulfonation, and other reactions. The benzene ring undergoes electrophilic substitution reactions. It exhibits good stability, resisting decomposition at room temperature but igniting upon exposure to open flames or high temperatures.
| Item | Specification |
| Melting point | 96-101°C (lit.) |
| Boiling point | 236-238°C (lit.) |
| Bulk density | 450 kg/m³ |
| Density | 0.908 g/mL at 25°C (lit.) |
| Vapor pressure | 1 mmHg (70°C) |
| Refractive index | 1.4787 |
| Flash point | 113°C |
| Acid dissociation constant (pKa) | 10.23 (at 25°C) |
| Specific gravity | 0.908 |
| Solubility | Soluble in acetone, benzene, toluene; slightly soluble in water. |
Polymer Materials:
– Synthesis of tert-butyl phenolic resins for coatings, adhesives, and printing inks.
– Para-tert-Butylphenol is used to stabilizer for epoxy resins and polyvinyl chloride (PVC), inhibiting thermal oxidative degradation.
Fine Chemicals:
– Production of antioxidants (e.g., hindered phenols) and UV absorbers for rubber, plastics, and lubricants.
– Pharmaceutical intermediates for synthesizing the acaricide fenpropathrin and the fungicide spiroxamine.
Other Applications:
– Used as a fixative in the fragrance industry or derivatized to synthesize ester fragrances (e.g., 4-tert-butylphenyl acetate).
– Raw material for oilfield demulsifiers, automotive fuel additives, and surfactants.
Jinan Jinbang Chemical Co., Ltd., strategically located within the New Materials Industrial Park in Tianqiao District, Jinan City, Shandong Province, stands as a prominent chemical innovator since its establishment in 2015. Operating from a modern, expansive 37,500 m² manufacturing facility, we are dedicated to the research & development, production, and global distribution of high-performance chemical solutions.
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