Di-tert-Octyl Peroxide is a dialkyl organic peroxide used as a thermal radical initiator in selected polymer processing, crosslinking and chemical synthesis systems. Its peroxide bond decomposes under controlled thermal conditions to generate free radicals, making decomposition kinetics an important reference for process temperature and residence-time selection.
Product Identification
|
Parameter |
Value |
|
Product Name |
Di-tert-Octyl Peroxide |
|
Chemical Type |
Dialkyl Peroxide |
|
CAS No. |
220402-53-9 |
|
Molecular Formula |
C₁₆H₃₄O₂ |
|
Molecular Weight |
258.44 g/mol |
|
Theoretical Active Oxygen |
12.38% |
|
Peroxide Groups |
1 |
Key Product Advantage
Defined Radical Initiation
Thermal cleavage of the peroxide bond generates free radicals for processes where controlled initiation is required.
High Molecular Weight
With a molecular weight of 258.44 g/mol and a theoretical active oxygen content of 12.38%, the product provides defined values for formulation and dosage calculations.
Symmetrical Structure
The molecule contains two 1,1,3,3-tetramethylbutyl groups connected through one peroxide linkage, giving it a clearly defined dialkyl peroxide structure.
Thermal Decomposition Profile
Half-Life Reference
Half-life data describe the decomposition rate at a specified temperature and provide a practical basis for matching initiator activity with process conditions.
Long-Duration Reference
The 10-hour half-life point provides a reference for lower-rate thermal decomposition and longer process residence times.
Short-Duration References
The 1-hour and 0.1-hour half-life points describe decomposition behavior over shorter reaction periods and assist with temperature selection for faster processing cycles.
Application Fit
Polymer Processing
Suitable for selected polymer modification processes where thermal radical generation is required within a defined processing temperature range.
Crosslinking Systems
Can be incorporated into polymer crosslinking formulations where peroxide decomposition is used to generate reactive radical species.
Chemical Synthesis
Applicable to selected thermal radical reactions in organic synthesis where controlled peroxide decomposition forms part of the reaction design.
Selection Considerations
Process Temperature
Compare the operating temperature with the applicable half-life data to establish an appropriate decomposition rate for the intended process.
Residence Time
Consider the available reaction time together with temperature when determining the required initiation profile and dosage.
Active Oxygen
Use the theoretical active oxygen content of 12.38% as a reference when calculating peroxide dosage within a formulation.
Quality Control
Identity Verification
Confirm product identity through CAS number, molecular formula, molecular weight and other applicable analytical characteristics.
Assay Quantification
Determine peroxide content according to the applicable product specification to maintain consistency between production batches.
Physical Inspection
Check appearance and other specified physical characteristics before release to confirm conformity with established quality requirements.
Documentation
Technical Data Sheets
Technical documentation can include product identity, specification values, decomposition data and application-related parameters required for technical evaluation.
Safety Data Sheets
Safety documentation provides information on handling, protective measures, storage conditions and emergency procedures.
Regulatory Documentation
Applicable transport and chemical inventory information should be reviewed according to the destination market and shipment requirements.
Packaging & Storage
Packaging Integrity
Use packaging compatible with organic peroxide materials and designed to maintain product condition during storage and transportation.
Temperature Control
Maintain the product within the storage temperature range specified in the applicable safety and technical documentation.
Safe Handling
Keep the material away from uncontrolled heat exposure and incompatible substances, and follow the handling procedures specified in the relevant safety documentation.
Technical Qualification
Specification Review
Compare assay, active oxygen content, thermal decomposition data and other specification parameters with the intended process requirements.
Laboratory Evaluation
Conduct controlled laboratory trials to assess decomposition behavior, dosage response and compatibility with the selected formulation.
Process Scale-Up
Confirm dosage, temperature and residence-time parameters through staged trials before moving to full production conditions.
Procurement Information
Quotation Requirements
Provide the required quantity, destination, packaging requirement and intended application when requesting a quotation.
Technical Inquiry
Include operating temperature, process residence time and formulation requirements when technical evaluation is required.
Order Finalization
Confirm product specifications, packaging, delivery terms and required documentation before order release.
FAQ
Q: What is Di-tert-Octyl Peroxide?
A: Di-tert-Octyl Peroxide is a dialkyl organic peroxide used as a thermal radical initiator in selected polymer processing, crosslinking and chemical synthesis systems.
Q: What is the CAS number?
A: The CAS number provided for this product is 220402-53-9.
Q: What are the molecular formula and molecular weight?
A: The molecular formula is C₁₆H₃₄O₂, and the molecular weight is 258.44 g/mol.
Q: What is the theoretical active oxygen content?
A: The theoretical active oxygen content is 12.38%.
Q: Why is half-life data important?
A: Half-life data indicate the relationship between temperature and peroxide decomposition rate. They help technical users match initiator behavior with the required processing temperature and residence time.
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