IRGANOX 3052 CAS 61167-58-6

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CAS:61167-58-6

Molecular Formula:C26H34O3

Molecular Weight:394.55

EINECS:262-634-6

IRGANOX 3052 CAS 61167-58-6 is slightly soluble in chloroform and ethyl acetate. The form of antioxidant 3052 is white to white powder, the molecular formula of antioxidant 3052 is C26H34O3, the molecular weight is 394.55, the melting point of antioxidant 3052 is 128-133°C, the boiling point is 491 °C, and the density is 1.03.

Item	Specification
Melting point	128-133°C
Boiling point	491℃
Density	1.03
Acidity coefficient (pKa)	11.66±0.48(Predicted)
Water solubility	123ng/L at 20℃
Flash point	185℃

IRGANOX 3052 is a reactive hindered phenolic antioxidant containing an acrylate functional group, designed for polymer systems requiring low volatility, low extraction, and long-term thermo-oxidative stability. Unlike traditional phenolic antioxidants, it can participate in polymer networks and reduce migration during processing and service life.

1. SBS & Hot Melt Adhesives

IRGANOX 3052 is widely used in SBS, SIS, SEBS, pressure-sensitive adhesives, and hot melt adhesive formulations. Its reactive acrylate structure helps improve antioxidant permanence while minimizing blooming and volatilization during high-temperature adhesive processing.

In adhesive stabilization systems, it can work together with IRGAFOS P-EPQ to improve thermal processing stability under low-oxygen conditions.

2. ABS & Impact-Modified Plastics

The product is suitable for ABS, HIPS, MBS, MABS, and impact-modified polymer compounds where long-term color stability and resistance to thermal oxidation are required. It helps reduce degradation during extrusion and injection molding.

3. Rubber & Elastomer Applications

IRGANOX 3052 performs well in BR, SBR, EPDM, IIR, and thermoplastic elastomer systems exposed to repeated heat aging conditions. Its low extraction resistance makes it especially useful for automotive and industrial rubber applications.

4. Resin & Tackifier Stabilization

The antioxidant is compatible with hydrocarbon resins, terpene phenolic resins, rosin derivatives, and modified acrylate systems. It improves storage stability and reduces oxidative discoloration in tackifier formulations.

5. Food Packaging & Stretch Film

IRGANOX 3052 has been used in PVC and non-PVC stretch film applications for fresh meat packaging due to its low volatility and excellent stabilization performance in flexible packaging materials.

Explore more polymer stabilizers and adhesive additives on the Unisunchem Home Page and browse the Polymer Additives Collection.

Reactive acrylate-functional antioxidant with low migration properties
Excellent resistance to extraction, volatilization, and blooming
Highly effective under high-temperature and low-oxygen processing conditions
Outstanding compatibility with SBS, SEBS, ABS, elastomers, and tackifier resins
Improves long-term thermo-oxidative stability in adhesive systems
Non-staining and low-discoloration performance in polymer applications
Suitable for automotive, packaging, and industrial elastomer formulations
Can chemically bond into certain polymer networks for enhanced permanence
Reliable industrial supply from Unisunchem

25kg/drum or according to customer requirements.

Q1: Why is IRGANOX 3052 called a reactive antioxidant?

Unlike conventional hindered phenolic antioxidants, IRGANOX 3052 contains an acrylate functional group that can participate in polymer reactions or grafting processes. This helps reduce migration, blooming, and extraction during long-term use.

Q2: Is IRGANOX 3052 suitable for hot melt adhesives?

Yes. IRGANOX 3052 is widely used in hot melt adhesives and pressure-sensitive adhesives because it performs well under high processing temperatures and low-oxygen mixing conditions common in adhesive manufacturing.

Q3: What makes IRGANOX 3052 different from Antioxidant 1010?

Antioxidant 1010 is a traditional high-molecular-weight phenolic antioxidant mainly focused on long-term thermal stabilization, while IRGANOX 3052 offers reactive functionality and lower migration in adhesives and elastomer systems.

Q4: Can IRGANOX 3052 reduce blooming in elastomers?

Yes. Because of its low volatility and extraction resistance, IRGANOX 3052 is often selected for rubber and elastomer formulations where surface blooming and additive migration must be minimized.

Q5: Which polymers are compatible with IRGANOX 3052?

IRGANOX 3052 is compatible with SBS, SEBS, ABS, HIPS, EPDM, BR, SBR, polyolefins, tackifier resins, modified acrylates, polyamides, and engineering plastics.