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Thermo Scientific™ Paraformaldehyde, 4% in PBS
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CAS Number :
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Specifications:
| Application | Tissue fixation and routine histology | ||
| Storage Temperature | Room Temperature | ||
| Product Type | Histology & Cytology Reagents | Forms | Liquid |
| Product Brand | Thermo Fisher Scientific™, thermo Scientific | ||
| Product Grade | Histology Grade | Formula | (CH₂O)n |
Thermo Scientific™ Paraformaldehyde, 4% in PBS is a ready-to-use fixative solution commonly used for preserving tissues and biological samples for routine histology, microscopy, and research applications. Prepared at 4% concentration in phosphate-buffered saline (PBS), it provides a convenient and consistent formulation for laboratories requiring reliable sample fixation without preparing paraformaldehyde solutions from powder.
This product is miscible with water and suitable for research workflows where tissue structure, cellular morphology, and antigen preservation are important. It is supplied in convenient bottle sizes to support different laboratory usage volumes.
Key Features
- Ready-to-use 4% paraformaldehyde in PBS
- Suitable for preserving tissues for routine histology
- Convenient alternative to preparing paraformaldehyde from powder
- Helps maintain tissue and cellular morphology during fixation
- Miscible with water
- Available in 250 mL and 500 mL pack sizes
- Suitable for research, histology, microscopy, and cell biology workflows
- Research Use Only formulation
Applications
- Routine tissue fixation
- Histology sample preparation
- Microscopy workflows
- Cell and tissue morphology preservation
- Immunohistochemistry sample preparation
- Research laboratory fixation procedures
- Biological specimen preservation
Ordering Information
| Catalog Number | Also Known As | Quantity |
|---|---|---|
| J61899.AP | J61899-AP | 500 mL |
| J61899.AK | J61899-AK | 250 mL |
Product Specifications
| Parameter | Specification |
|---|---|
| Brand | Thermo Scientific™ |
| Product Name | Paraformaldehyde, 4% in PBS |
| Chemical Name / Material | Paraformaldehyde |
| CAS Number | 30525-89-4 |
| ChEBI | CHEBI:16842 |
| Concentration | 4% in PBS |
| Solubility | Miscible with water |
| Application | Tissue preservation for routine histology |
| Regulatory Status | RUO – Research Use Only |
| Storage | Store in a cool place |
Safety & Handling Information
| Hazard Category | Hazard Statement |
|---|---|
| Serious eye damage / eye irritation, Category 1 | Causes serious eye damage |
| Carcinogenicity, Category 2 | Suspected of causing cancer |
| Skin sensitisation, Category 1 | May cause an allergic skin reaction |
Use appropriate laboratory PPE, including gloves, lab coat, and eye protection. Handle in a well-ventilated area and follow institutional chemical safety procedures. Avoid contact with incompatible materials such as brass, steel, copper, acid anhydrides, strong oxidising agents, and strong reducing agents.
Thermo Scientific™ Paraformaldehyde, 4% in PBS is a convenient, ready-to-use fixative solution for research laboratories performing tissue preservation, histology, microscopy, and biological sample preparation. Its PBS-based formulation, availability in 250 mL and 500 mL sizes, and suitability for routine fixation workflows make it a practical choice for laboratories requiring consistent and reliable sample preservation.
- Pack Size: 500 mL 250 mL