⟡ PEG Embedding Media / Histology Reagents / Water-Soluble Embedding Materials
Poly(ethylene glycol) MW ~3,500, USP (PEG 4000 Resin) is a water-soluble, nonionic polyethylene glycol material used as an embedding and infiltration medium for tissue preparation workflows. The material is commonly used similarly to paraffin for embedding applications while offering water solubility and easy removal from tissue sections.
PEG 4000 Resin is frequently used in histology, immunocytochemistry, and x-ray microanalytical specimen preparation workflows where water-soluble embedding media and ethanol-removable section processing are advantageous.
Key Features & Benefits
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Water-soluble PEG material: suitable for tissue infiltration and embedding workflows
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Nonionic polymer: compatible with a variety of laboratory preparation procedures
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Paraffin alternative: used similarly to paraffin embedding systems
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Easily removable: sections may be processed using 95% ethanol
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Suitable for microscopy workflows: commonly used in histology and specimen preparation
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USP grade PEG: polyethylene glycol with average MW ~3,500
Product Details
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Product name: Poly(ethylene glycol) MW ~3,500, USP
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Common name: PEG 4000 Resin
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CAS number: 25322-68-3
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Average molecular weight: ~3,500
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Material type: Water-soluble nonionic polyethylene glycol
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Applications: Tissue infiltration, embedding, immunocytochemistry, histology, and x-ray microanalytical preparation
Typical Applications
Tissue embedding
Used similarly to paraffin for infiltration and embedding of tissue specimens in laboratory preparation workflows.
Histology workflows
Suitable for tissue processing and section preparation applications requiring water-soluble embedding media.
Immunocytochemistry
Easily removable sections support immunocytochemical preparation and staining procedures.
X-ray microanalysis
Used in specimen preparation workflows for x-ray microanalytical techniques and microscopy applications.
Functional Properties
PEG 4000 Resin functions as a water-soluble infiltration and embedding medium that can be used similarly to paraffin in tissue preparation procedures.
Because the material is nonionic and water soluble, embedded sections may be readily removed or processed using 95% ethanol during downstream laboratory workflows.
Why Use PEG 4000 Resin?
PEG 4000 Resin is commonly selected for tissue preparation workflows requiring water-soluble embedding materials and simplified section processing.
Its compatibility with histology, immunocytochemistry, and microanalytical specimen preparation makes it useful for research and laboratory microscopy applications.
Handling & Storage
- Store in a cool, dry laboratory environment.
- Keep containers tightly sealed when not in use.
- Protect from excessive moisture and contamination.
- Handle using appropriate laboratory protective equipment.
- Consult the SDS for complete handling, storage, and safety information.
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FAQ
Click a question to expand.
What is PEG 4000 Resin used for?
PEG 4000 Resin is used for tissue infiltration, embedding, histology, immunocytochemistry, and microscopy specimen preparation workflows.
Is PEG 4000 Resin water soluble?
Yes. PEG 4000 Resin is a water-soluble, nonionic polyethylene glycol material.
How is PEG 4000 Resin used in tissue preparation?
It is used similarly to paraffin for infiltration and embedding of tissue specimens.
Can embedded sections be removed easily?
Yes. Sections may be readily processed or removed using 95% ethanol.
What is the molecular weight of this PEG material?
The material has an average molecular weight of approximately 3,500.
