Di-n-Butyl Peroxide

Di-n-Butyl Peroxide is a dialkyl organic peroxide identified by CAS No. 3849-34-1, molecular formula C₈H₁₈O₂ and molecular weight 146.23 g/mol. Its peroxide O–O bond undergoes thermal cleavage to generate free radicals. The product is used in selected polymerization, crosslinking and radical reaction systems where chemical identity, peroxide content and thermal behavior must match the process requirements.

Defined Chemical Structure
The n-butyl groups and peroxide linkage provide a specific dialkyl peroxide structure for technical selection.

Thermal Radical Generation
Cleavage of the O–O bond generates reactive radicals under suitable thermal conditions.

Clear Specification Basis
CAS number, molecular formula, molecular weight and active oxygen provide measurable references for material identification and qualification.

Process Matching
Selection can be linked to reaction temperature, residence time, dosage and formulation requirements.

Peroxide Decomposition
Thermal energy cleaves the peroxide O–O bond and forms radical species.

Radical Formation
The resulting radicals participate in suitable free-radical reaction pathways.

Reaction Control
Temperature, residence time and peroxide concentration determine the level and timing of radical generation within the process.

Polymerization
Used in selected thermal free-radical polymerization systems requiring a dialkyl peroxide initiator.

Crosslinking
Can be evaluated in polymer and resin systems where peroxide-derived radicals contribute to crosslink formation.

Radical Processes
Suitable for selected chemical processes that require thermal radical initiation.
Application selection should be confirmed against the specific formulation, operating temperature and reaction conditions.

Chemical Identity
Confirm CAS 3849-34-1 before qualification to ensure the specified peroxide matches the intended process material.

Thermal Behavior
Review available thermal decomposition data against the required process temperature and residence time.

Peroxide Content
Define the required active peroxide level according to formulation and reaction requirements.

Formulation Fit
Check compatibility with the monomer, polymer, resin and other process components before routine production use.

Assay
Measure peroxide content against the approved product specification.

Active Oxygen
Use the calculated value as a molecular reference and measured analytical results for batch control.

Appearance
Include visual inspection where appearance is part of the agreed specification.

Batch Verification
Compare COA results with the approved specification before material release.

Temperature
Select operating conditions according to the product's established thermal decomposition profile.

Residence Time
Evaluate residence time together with temperature because both affect peroxide conversion.

Dosage
Set dosage according to formulation requirements, reaction kinetics and the required radical concentration.

Trial Validation
Confirm the selected conditions through application-specific process testing before routine production.

Storage Conditions
Follow the current SDS and product specification for required storage temperature and conditions.

Packaging
Keep the product in its designated packaging with the original identification maintained during storage.

Traceability
Maintain product name, CAS number, batch number and documentation throughout material handling.

Handling Documents
Review the applicable SDS and technical instructions before storage, transfer and process use.

Product Specification
Defines the chemical identity and quality parameters used for technical approval.

Batch COA
Provides batch-specific analytical results for incoming-material verification.

SDS
Provides safety, handling, storage and transport information required for material assessment.

Regulatory Documents
Review applicable transport and regulatory documents according to the destination market and shipment requirements.

Why This Product May Fit Your Process
Di-n-Butyl Peroxide is suitable for process evaluation where a defined dialkyl peroxide and thermal radical generation are required. The key selection points are CAS identity, peroxide content, thermal behavior, operating temperature, residence time and formulation compatibility. Reviewing these factors together provides a direct basis for technical qualification and process approval.

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