Poly(2,6-dimethyl-1,4-phenylene oxide) is a high-performance engineering thermoplastic known for outstanding thermal stability, low moisture absorption, and excellent electrical insulation properties. PPO exhibits superior dimensional stability and resistance to acids, bases, and oxidation, making it useful for electronics, automotive components, and industrial materials research.
This polyphenylene oxide grade has a listed molecular weight of 50,000, a glass transition temperature of 209°C, and is supplied as a white to off-white powder. The product description also lists a high softening point, Mn 20,000, and polydispersity of approximately ~2.5.
Key Properties
- High-performance engineering thermoplastic
- Useful where thermal stability, dimensional stability, and electrical insulation properties are important
- Product Number: 08794
- CAS Number: 25134-01-4
- Linear formula: [-C6H2(CH3)2O-]n
- Molecular weight: 50,000
- Description-listed Mn: 20,000
- Polydispersity: ~2.5
- Glass transition temperature (Tg): 209°C
- Refractive index: 1.575
- Density: 1.06 g/mL
- Appearance: White to off-white powder
- Synonyms: 2,6-Dimethyl-1,4-phenylene ether homopolymer, 2,6-Dimethylphenol homopolymer, 2,6-Dimethylphenol polymer, Poly(2,6-dimethylphenylene oxide)
Applications
Electronics
Used in research involving housings, insulating components, and electrical applications where dimensional stability, low moisture absorption, and dielectric performance are important.
Automotive Components
Useful in studies involving heat-resistant and dimensionally stable polymer materials for automotive and under-the-hood component research.
Industrial Components
May be used in research involving chemical-resistant parts, pump housings, valves, and specialty engineering thermoplastic components.
Engineering Thermoplastic Research
Suitable for evaluating PPO-based systems, polymer blends, high-temperature thermoplastics, and materials requiring resistance to acids, bases, oxidation, and moisture uptake.
Medical Device Materials Research
May be evaluated in medical device materials research where sterilization-compatible polymer behavior, dimensional stability, and chemical resistance are study parameters. Suitability for any medical, clinical, diagnostic, implantable, or regulated use must be independently validated.
Solubility & Compatibility
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Soluble in: Toluene, chloroform, and chlorobenzene
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Polymer type: Polyphenylene oxide engineering thermoplastic
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Functional performance: Low moisture absorption, electrical insulation properties, thermal stability, and dimensional stability
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Chemical resistance: Resistant to acids, bases, and oxidation under many evaluation conditions
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Compatibility: Performance depends on solvent system, temperature, concentration, additives, processing history, and target application
Final material behavior should be evaluated under the intended formulation, processing, and application conditions.
Preparation Tips
- Confirm compatibility with the intended solvent, resin system, polymer blend, or processing method before scale-up.
- Use controlled mixing and dissolution conditions when preparing solutions in compatible solvents.
- Evaluate thermal stability, dimensional stability, and electrical insulation behavior under target use conditions.
- For molded, coated, or blended materials, test mechanical performance, moisture exposure response, and chemical resistance under application-specific conditions.
- Document solvent, concentration, temperature, mixing time, drying conditions, and processing parameters for reproducible results.
Handling & Storage
- Exercise normal care when handling this material.
- Store at room temperature.
- Keep container tightly closed when not in use.
- Protect from contamination and unnecessary environmental exposure.
- Use standard laboratory handling practices.
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Frequently Asked Questions
1. What is Poly(2,6-dimethyl-1,4-phenylene oxide) used for?
Poly(2,6-dimethyl-1,4-phenylene oxide) is used in research involving engineering thermoplastics, electronics, automotive components, industrial components, high-temperature polymer systems, and specialty polymer blends.
2. What is PPO?
PPO is commonly used to refer to polyphenylene oxide or polyphenylene ether materials, including Poly(2,6-dimethyl-1,4-phenylene oxide).
3. What is the molecular weight of this product?
The live product specifications list the molecular weight as 50,000. The product description also lists Mn 20,000 with polydispersity of approximately ~2.5.
4. What solvents is this product soluble in?
This product is listed as soluble in toluene, chloroform, and chlorobenzene.
5. Is this product suitable for medical device use?
This product may be evaluated in medical device materials research. Suitability for any medical, clinical, diagnostic, implantable, or regulated use must be independently validated for the intended application.
6. How should Poly(2,6-dimethyl-1,4-phenylene oxide) be stored?
Store at room temperature, keep the container tightly closed when not in use, and follow standard laboratory handling practices.
Safety & Documentation
This product is listed as harmless under normal precautions. Exercise normal care when handling this material and refer to the Safety Data Sheet (SDS), product specification, and Certificate of Analysis for safety, handling, and lot-specific guidance.
