ведущий параграф:
In modern industrial chemistry, phosphate esters are more than just additives — they’re multifunctional solutions driving performance, efficiency, and sustainability.
фрагмент параграфа:
The top five high-performance phosphate esters for industrial use are Трифтурат фосфора (TBP), Триоктилфосфат (TOP), Триэтилфосфат (TEP), 2-Ethylhexyl Phosphate (P204), и Fatty Alcohol Polyoxyethylene Ether (3) Phosphate (AEO-3) — each engineered for specific roles in coatings, textiles, lubricants, and metal processing.

Переходный параграф:
From wetting and dispersion to corrosion inhibition and extraction, these five phosphate esters represent the backbone of advanced industrial formulations. Let’s explore their chemistry, applications, and why they’re essential for high-performance operations.
1. Tributyl Phosphate (TBP)
ведущий параграф:
For decades, Трифтурат фосфора (TBP) has been a cornerstone in solvent extraction, coatings, and lubrication chemistry.
фрагмент параграфа:
TBP — это neutral triester of phosphoric acid that functions as an extractant, plasticizer, and anti-foaming solvent across industries.
Ключевые характеристики:
- Molecular formula: C₁₂H₂₇O₄P
- Purity: ≥99%
- Boiling Point: 289°C
- Acid Value: ≤0.1 mgKOH/g
Применение:
- Добыча металлов: Recovers uranium, thorium, and rare earths.
- Coatings & Inks: Acts as a solvent and flow enhancer.
- Смазочные материалы: Improves film strength and oxidation resistance.
- Пластмассы: Serves as a non-volatile plasticizer.
Performance Advantage:
TBP is chemically stable and thermally resistant, ensuring long-term reliability even under harsh operating conditions.
TBP компании Donghong Chemical is known for ultra-low water content (≤0.1%) and high transparency — making it suitable for high-precision applications.

2. Триоктилфосфат (TOP)
ведущий параграф:
When high-temperature durability and flame resistance are critical, Триоктилфосфат (TOP) обеспечивает непревзойденную стабильность.
фрагмент параграфа:
TOP — это hydrophobic, high-boiling phosphate ester используется в plasticizers, lubricants, and flame retardants.
Chemical Traits:
- Molecular formula: C₂₄H₅₁O₄P
- Flash Point: ≥190°C
- Appearance: Clear, colorless liquid
- Purity: ≥99%
Применение:
- Resins and Coatings: Enhances flexibility and solvent resistance.
- Смазочные материалы: Functions as an anti-wear and corrosion inhibitor additive.
- Пластмассы: Provides non-halogenated flame retardancy.
- Textile Treatments: Acts as a thermal stabilizer for coatings and finishes.
Performance Advantage:
TOP’s long octyl chains provide superior thermal and oxidative resistance, making it ideal for continuous-use, high-temperature systems.
TOP компании Donghong Chemical is produced under closed-loop solvent recovery, guaranteeing low VOCs and high environmental compliance.
3. Triethyl Phosphate (TEP)
ведущий параграф:
For lightweight, eco-friendly formulations, Триэтилфосфат (TEP) stands out as the most versatile phosphate ester on the market.
фрагмент параграфа:
TEP — это low-viscosity, non-halogenated phosphate ester used for flame retardancy, catalysis, and plasticization.
Specifications:
- Molecular formula: C₆H₁₅O₄P
- Boiling Point: 215–220°C
- Purity: ≥99%
- Odor: Mild and neutral
Применение:
- Flame Retardant: Used in PU foams, coatings, and resins.
- Катализатор: Acts as an intermediate in organic synthesis.
- Пластификатор: Enhances flexibility in polymers without toxicity.
- Покрытия: Improves adhesion and film uniformity.
Performance Advantage:
TEP is biodegradable, low-toxicity, and fully halogen-free, aligning with global environmental standards like REACH and RoHS.
It’s widely used in industries seeking green alternatives to traditional plasticizers.
4. 2-Ethylhexyl Phosphate (P204)
ведущий параграф:
When precision metal extraction and anti-corrosion performance are required, P204 is the industry’s go-to acidic phosphate ester.
фрагмент параграфа:
2-Ethylhexyl Phosphate (P204) is an кислотный моноэстер offering strong coordination ability with metal ions, making it ideal for hydrometallurgy and surface treatment.
Technical Details:
- Acid Value: 140–150 mgKOH/g
- pH (5% solution): 1–3
- Appearance: Pale yellow liquid
- Purity: ≥98%
Применение:
- Добыча металлов: Separates Cu²⁺, Ni²⁺, Co²⁺, Fe³⁺, and rare earth metals.
- Покрытия: Enhances adhesion on metallic surfaces via phosphate bonding.
- Ингібирование коррозии: Forms protective films on steel and aluminum.
- Текстиль: Used as a wetting and emulsifying agent.
Performance Advantage:
P204 combines high acidity and selectivity, providing both chemical reactivity and film-forming ability.
P204 компании Donghong Chemical features controlled viscosity and fast phase separation — ideal for continuous extraction systems.
5. Fatty Alcohol Polyoxyethylene Ether (3) Phosphate (AEO-3)
ведущий параграф:
For applications where surfactant power meets environmental responsibility, AEO-3 фосфат defines the next generation of industrial chemistry.
фрагмент параграфа:
AEO-3 фосфат is an анионный поверхностно-активный фосфатный эфир используется в textiles, coatings, cleaning, and personal care formulations.
Technical Profile:
- Acid Value: 80–120 mgKOH/g
- pH (5% solution): 1–2
- Solubility: Fully water-soluble
- Biodegradability: ≥90%
Применение:
- Текстиль: Acts as a penetrant, scouring agent, and leveling aid.
- Покрытия: Improves pigment dispersion and reduces foaming.
- Industrial Cleaning: Enhances wetting and emulsification.
- Смазочные материалы: Provides boundary film lubrication and corrosion resistance.
Performance Advantage:
AEO-3 is low-foam, acid- and alkali-resistant, и eco-friendly, making it suitable for waterborne coatings and green textile systems.
Donghong Chemical’s AEO-3 phosphate ester is highly regarded for its consistency, clarity, and low residual acidity.
Dive Deeper: Comparative Performance Chart
| Продукт | Тип | pH (5% Sol.) | Чистота (%) | Ключевая функция | Major Applications |
|---|---|---|---|---|---|
| ТБП | Нейтральный триэстер | Нейтральные | ≥99 | Solvent, Extractant | Metal Extraction, Coatings, Lubricants |
| TOP | Нейтральный триэстер | Нейтральные | ≥99 | Plasticizer, Flame Retardant | Resins, PVC, Lubricants |
| ТЭП | Нейтральный триэстер | Нейтральные | ≥99 | Flame Retardant, Catalyst | PU Foams, Coatings, Adhesives |
| P204 | Кислый моноэстер | 1–3 | ≥98 | Metal Extractant, Adhesion Promoter | Hydrometallurgy, Primers |
| AEO-3 | Anionic Surfactant | 1–2 | ≥99 | Wetting, Emulsifying | Textiles, Coatings, Cleaners |
Почему выбирают Donghong Chemical для высокоэффективных фосфатных эфиров
Donghong Chemical, based in Гуандун, Китай, has become a trusted supplier of industrial-grade phosphate esters for over a decade.
С помощью 20,000 tons annual output, automated esterification lines, и international QC standards, the company supports diverse industries — from coatings and textiles to metallurgy and lubricants.
What Sets Donghong Apart:
- High purity (≥99%) and low acid values;
- Environmentally friendly production with solvent recovery >95%;
- Full COA, MSDS, and REACH-compliant documentation;
- Technical customization and sample support for OEM clients.
Экспортные рынки:
Europe, South America, Southeast Asia, and the Middle East.
📧 Электронная почта: dohollchemical@gmail.com
📱 WhatsApp: +86 139 0301 4781
Conclusion: The Chemistry of Industrial Performance
Phosphate esters are the lifeblood of industrial formulation — enhancing strength, flexibility, stability, and environmental safety.
The top five high-performance grades — TBP, TOP, TEP, P204, and AEO-3 — cover nearly every industrial need, from metal extraction and coatings to textile auxiliaries and flame retardancy.
With its focus on purity, sustainability, and precision manufacturing, Donghong Chemical provides the phosphate ester solutions that global industries rely on — engineered for performance, designed for progress.
For technical data sheets or bulk purchase inquiries:
📧 Электронная почта: dohollchemical@gmail.com
📱 WhatsApp: +86 139 0301 4781
Donghong Chemical — Leading supplier of high-performance phosphate esters and surfactants for coatings, textiles, lubricants, and industrial formulations worldwide.
