Polyethylene, Chromatographic Grade, is a lightweight thermoplastic polymer powder supplied for chromatography and polymer research workflows. This grade is described as a 20 µm powder for chromatographic use, including reverse phase HPLC applications.
Polyethylene is known for high chemical resistance and strong mechanical properties. This chromatographic grade PE powder has a molecular weight of approximately 135,000 and is suitable for laboratory work involving polyethylene-based chromatographic media, polymer characterization, and method development.
Key Properties
- Chromatographic grade polyethylene powder
- 20 µm powder for reverse phase HPLC workflows
- Lightweight thermoplastic polymer with high chemical resistance
- Product Number: 15184
- CAS Number: 9002-88-4
- Linear formula: [-CH2CH2-]n
- Molecular weight: ~135,000
- Synonym: PE
- Appearance specification: White powder
- Screen retention: 270 mesh ≤ 12.5%
- Glass transition temperature (Tg): -125°C
- Refractive index: 1.51
- Melting point: 140°C
- Available sizes: 100 g and 500 g
- Storage: Room temperature
Applications
Reverse Phase HPLC Workflows
Used as a chromatographic grade polyethylene powder for reverse phase HPLC and related chromatography method development workflows.
Chromatography Media Research
Useful for research involving polyethylene-based chromatographic materials, particle behavior, and separation method evaluation.
Polymer Characterization
Suitable for laboratory studies involving polyethylene properties, solvent compatibility, thermal behavior, and polymer material comparison.
Materials Research
Applicable to research workflows requiring a defined polyethylene powder grade for testing, formulation screening, or controlled laboratory evaluation.
Solubility & Compatibility
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Soluble in: Xylene, tetralin, and TCE at 50-60°
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Polymer type: Polyethylene thermoplastic powder
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Chromatographic use: 20 µm powder for reverse phase HPLC workflows
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Thermal behavior: Melting point approximately 140°C
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Compatibility: Performance depends on solvent system, temperature, particle handling, packing method, and intended chromatography workflow
Evaluate chromatographic behavior, solvent compatibility, and method performance under the intended operating conditions.
Preparation Tips
- Confirm compatibility with the intended solvent system and chromatography method before routine use.
- Use clean, dry tools and vessels to avoid contaminating the powder.
- Handle powders carefully to minimize loss, airborne dust, and particle contamination.
- For chromatography workflows, evaluate packing, flow behavior, solvent exposure, and method reproducibility under target conditions.
- Document particle amount, solvent system, temperature, packing method, and analytical conditions for reproducible results.
Handling & Storage
- Store at room temperature.
- Keep container tightly closed when not in use.
- Protect from dust, moisture, and contamination.
- Use appropriate PPE and standard laboratory handling practices.
- Follow the handling guidance for any solvents used with the material.
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Frequently Asked Questions
1. What is Polyethylene, Chromatographic Grade used for?
Polyethylene, Chromatographic Grade is used in chromatography and polymer research workflows, including reverse phase HPLC method development and evaluation.
2. What is the particle size of this polyethylene powder?
The product description identifies this material as a 20 µm powder chromatographic grade.
3. What is the molecular weight of this product?
The molecular weight is approximately 135,000.
4. What solvents is this polyethylene soluble in?
This product is soluble in xylene, tetralin, and TCE at 50-60°.
5. What sizes are available?
This product is available in 100 g and 500 g sizes.
6. How should Polyethylene, Chromatographic Grade be stored?
Store at room temperature, keep the container tightly closed, and protect the powder from dust, moisture, and contamination.
Safety & Documentation
Handle using standard laboratory practices and appropriate PPE. Refer to the Safety Data Sheet (SDS), product specification, and Certificate of Analysis for handling, storage, safety, and lot-specific guidance.
