2,2'-Azobis[2-(2-imidazolin-2-yl)propane] dihydrochloride (VA-044)
highly water-soluble, making it ideal for water-based formulations and aqueous polymerization reactions
Product Name:
2,2'-Azobis[2-(2-imidazolin-2-yl)propane] dihydrochloride
Common Name:
VA-044
CAS Number:
27776-21-2
Chemical Formula:
C9H16N4 · 2HCl
Molecular Weight:
254.2 g/mol
Key Product Features
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Water-Solubility:
VA-044 is highly water-soluble, making it ideal for water-based formulations and aqueous polymerization reactions.
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Low Decomposition Temperature:
With a half-life of 10 hours at 44°C in water, VA-044 is suitable for initiating polymerization reactions at relatively low temperatures, which helps preserve the stability of sensitive ingredients in formulations.
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High Efficiency as a Radical Initiator:
VA-044 produces free radicals efficiently, making it highly effective in initiating polymerization of various water-soluble vinyl monomers. This property is critical in manufacturing stable and consistent polymers.
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Stable Performance in Aqueous Environments:
VA-044 is particularly stable in water, offering reliable performance in aqueous environments, making it suitable for a wide range of applications, including cosmetics, coatings, and water treatment products.
Applications
VA-044’s properties make it a versatile choice for several industries:
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Paints and Coatings:
Its low-temperature decomposition is advantageous in water-based coatings, allowing stable and uniform polymer formation.
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Water Treatment:
It serves as an initiator for polymer-based water treatment agents that help improve water quality by removing contaminants.
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Adhesives and Sealants:
VA-044’s effective radical formation supports the manufacture of high-performance adhesives, providing good adhesion properties.
Advantages
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Environmentally Friendly:
Since it works effectively in water, VA-044 is a more eco-friendly option than many organic initiators, supporting sustainable practices in manufacturing.
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Safe and Controlled Polymerization:
Due to its controlled decomposition at moderate temperatures, VA-044 enables safe and controlled polymerization, reducing risks associated with higher-temperature initiators.
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High Purity and Consistency:
Its high purity ensures that it integrates seamlessly into formulations, delivering consistent performance.
Technical Specifications
- Appearance: White to slightly off-white powder
- Decomposition Temperature: Half-life of 10 hours at 44°C in water
- Storage Conditions: Keep in a tightly sealed container, stored in a cool, dry, well-ventilated area. Ideal storage temperature is below 30°C.
- Shelf Life: Approximately two years when stored under appropriate conditions
Handling and Safety Information
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Handling Precautions:
Handle in a well-ventilated area and avoid contact with skin, eyes, and clothing. Use personal protective equipment (PPE) like gloves, goggles, and lab coats.
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Safety Data:
- Hazard Classification: Not classified as hazardous according to GHS standards.
- Fire Hazard: Non-flammable but should be kept away from strong oxidizers and open flames.
- Toxicity: Low toxicity; however, prolonged exposure can cause mild irritation.
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First Aid Measures:
- Inhalation: Move to fresh air if inhaled accidentally.
- Skin Contact: Wash with soap and water if skin contact occurs.
- Eye Contact: Rinse thoroughly with water if it contacts eyes.
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