Overview
Trigonox 141 is a bifunctional, clear liquid organic peroxide used for the suspension polymerization of styrene at approximately 90°C. As one of the recommended international brand products in our organic peroxide range, Trigonox 141 is supplied with supply chain resource support for formulators sourcing an initiator for polymer production and thermoset composite applications.
Specifications
| 2,5-dihydroperoxy-2,5-dimethylhexane | ≤ 2.2 % |
| Assay | ≥ 92.0 % |
| Color | ≤ 20 Pt-Co |
| Inorganic + organic hydrolysable chloride | ≤ 100 mg/kg |
Characteristics
| Appearance | Clear liquid |
| Density, 20°C | 0.956 g/cm³ |
| Viscosity, 20°C | 80 mPa.s |
Applications of Trigonox 141 in Styrene Suspension Polymerization
Trigonox 141 has an activity comparable with dibenzoyl peroxide (Perkadox L-W75). However, because Trigonox 141 is bifunctional, it gives higher molecular weights of the polymer. Applying the same molecular weight target means a reduction of polymerization time, which can support formulation work across polymer production and thermoset composite market segments.
Why the Bifunctional Structure Matters
A bifunctional peroxide structure means this initiator carries two peroxide groups per molecule rather than one, which is what allows it to build higher molecular weight into the polymer chain at a comparable activity level to a monofunctional peroxide such as dibenzoyl peroxide. For formulators targeting a specific molecular weight, this can translate into a shorter polymerization cycle, an important variable for reactor throughput planning.
Why Sourcing Consistency Matters for Buyers
Because assay and impurity levels directly affect initiation efficiency, formulators should confirm current specifications for this initiator against the latest technical data sheet before scheduling a production run. A supplier that consistently delivers this initiator within its stated assay, color, and chloride impurity specifications reduces the need to re-qualify a suspension polymerization recipe with every new batch.
This is particularly relevant for styrene suspension polymerization, where molecular weight targets and polymerization time are directly tied to peroxide purity and dosing consistency. Buyers should confirm current batch documentation against the latest technical data sheet before finalizing a production schedule.
What to Consider When Sourcing Trigonox 141
Buyers evaluating Trigonox 141 for the first time should confirm that its assay (≥ 92.0%), color (≤ 20 Pt-Co), and chloride impurity levels (≤ 100 mg/kg) match their process specification, and should review how its bifunctional activity profile compares with the monofunctional peroxide currently used in their suspension polymerization process. Requesting the current certificate of analysis alongside the safety data sheet is a practical way to confirm that a given batch matches the specifications listed above.
Packaging, storage temperature requirements, and transport classification should also be confirmed directly with the supplier, since organic peroxides are subject to specific handling and shipping regulations. Buyers sourcing this initiator for time-sensitive production schedules should discuss lead time and temperature-controlled logistics requirements before finalizing an order.
General Handling and Storage Guidance
As with other organic peroxides, this product should be stored in accordance with the supplier’s safety data sheet, typically in a cool, temperature-controlled, well-ventilated area away from direct sunlight, incompatible materials, and sources of heat or ignition. Personnel handling this material should follow the personal protective equipment and handling procedures specified in the SDS, since organic peroxides can decompose exothermically under certain storage or contamination conditions.
Buyers should request and review the current safety data sheet for Trigonox 141 prior to receipt, and confirm that on-site storage conditions, including temperature control, are compatible with the product’s recommended storage requirements. Proper inventory rotation and adherence to the stated shelf life help maintain the assay and performance characteristics described above.
Where to Source This Product
Thousands Chemicals supplies Trigonox 141 and related organic peroxide products through our digital B2B marketplace, with supply chain resource support for formulators sourcing initiators for polymer production and thermoset composite applications. Peroxide handling and classification are commonly referenced against guidelines published by ASTM International. Our team can help confirm packaging, lead times, and technical documentation for your target application and order volume.
Documentation We Can Provide
For qualified buyers, we can provide the safety data sheet and, where available, a certificate of analysis for the specific batch of Trigonox 141 being quoted. Specifications listed on this page reflect the manufacturer’s published values; buyers should confirm current documentation before finalizing a purchase order.
FAQ
What is Trigonox 141 used for?
It is used for the suspension polymerization of styrene at approximately 90°C, supporting polymer production and thermoset composite applications.
How does Trigonox 141 compare with dibenzoyl peroxide?
It has an activity comparable with dibenzoyl peroxide (Perkadox L-W75), but because it is bifunctional, it gives higher molecular weights of the polymer, which can mean a reduction of polymerization time for the same molecular weight target.
What is the assay and appearance of Trigonox 141?
It is a clear liquid with an assay of ≥ 92.0%, color of ≤ 20 Pt-Co, and chloride impurity of ≤ 100 mg/kg.
Can you provide technical documentation and bulk pricing for Trigonox 141?
Yes, technical data sheets and SDS documentation are available on request, and our team can provide bulk pricing and lead times based on your target volume and delivery location.
Get a Quote for Trigonox 141
Contact our team for pricing, documentation, and lead time on Trigonox 141. Our sourcing specialists can help confirm whether this initiator matches your process requirements before you place an order.
