Shanghai Dingwujin Chemical Co., Ltd. (7DCHEM) is a reliable supplier of 4-tert-octylphenol in China. We cooperate with qualified Chinese factories and focus on chemical distribution to Central Europe, Eastern Europe and Ukraine. We welcome inquiries for wholesale and custom-spec 4-tert-octylphenol manufactured in China.
4-tert-Octylphenol
Introduction
Characteristics
| Molar Weight | 206.32 g/mol |
| Melting Point | 40-42°C |
| Density | 0.94-0.95 g/cm³ |
| Forms | Colorless to pale yellow flakes, crystals, or viscous liquid |
Product Grades
Reagent Grade
Covers high-purity specifications suitable for laboratory research and analytical standards. It typically has a purity of ≥99.0% or higher, ensuring precise stoichiometry for chemical synthesis and experimental validation.
Industrial Grade
The most common commercial form, divided into standard and refined grades. It is used extensively as a raw material for surfactant manufacturing and resin production. Specifications focus on freezing point and color to ensure downstream product quality.
Pharmaceutical/High Purity Grade
Specifically refined to minimize impurities and isomers. While less common due to regulatory restrictions on alkylphenols in some biological applications, it is required for specialized synthesis where high selectivity is critical.
Uses and applications
Key applications
- Surfactant raw materials
- Rubber processing additives
- Resin production intermediates
- Emulsifiers and wetting agents
- Tackifiers for synthetic rubbers
- Oil-soluble phenolic resins
- Agrochemical formulations
- Antioxidants and stabilizers
- Oilfield chemicals
- Corrosion inhibitors
Industries
- Surfactants / Detergents
- Rubber / Plastics
- Resins / Coatings
- Agrochemicals
- Oil & Gas
Application of p-tert-Octylphenol in Surfactants
p-tert-Octylphenol is the primary feedstock for the production of octylphenol ethoxylates (e.g., Triton X-100). By reacting with ethylene oxide, it forms nonionic surfactants that are highly valued for their excellent wetting, penetrating, emulsifying, and dispersing properties. These derivatives are widely used in industrial cleaning agents, textile processing, pesticide formulations, and latex paint emulsifiers due to their stability in hard water and varying pH levels.
Application of p-tert-Octylphenol in Rubber and Plastics
In the rubber industry, p-tert-Octylphenol is used to produce oil-soluble phenolic resins, which serve as effective tackifiers (stickiness promoters) for synthetic rubbers like SBR and Neoprene. These resins improve the green strength and adhesion of tire components and conveyor belts. Additionally, its derivatives act as antioxidants and stabilizers in plastics, preventing degradation caused by heat and UV light, thereby extending the service life of polymer materials.
Application of p-tert-Octylphenol in Resins
It is a key raw material for synthesizing oil-soluble phenolic resins. Unlike water-soluble phenol-formaldehyde resins, octylphenol-based resins are compatible with oils and organic solvents. These resins are essential in the manufacturing of printing inks (improving gloss and drying speed), surface coatings, and adhesive formulations. They provide excellent water resistance and electrical insulation properties.
Application of p-tert-Octylphenol in Oilfield Chemicals
Due to its lipophilic (oil-loving) nature, p-tert-Octylphenol is utilized in the petroleum industry to create demulsifiers and corrosion inhibitors. Its ethoxylated derivatives help break oil-water emulsions during crude oil extraction and refining. Furthermore, it serves as an intermediate for lubricating oil additives, enhancing the viscosity index and anti-wear performance of industrial lubricants.
Application of p-tert-Octylphenol in Agrochemicals
In the agriculture sector, p-tert-Octylphenol derivatives function as emulsifiers and wetting agents in pesticide formulations (such as emulsifiable concentrates). They ensure that the active ingredients are evenly dispersed in water when sprayed, improving the coverage and absorption of herbicides and insecticides on plant surfaces.
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