2,5-Di(tert-butylperoxy)-2,5-dimethyl-3-hexyne
2,5-Di(tert-butylperoxy)-2,5-dimethyl-3-hexyne (CAS: 1068-27-5) is a di-peroxide compound with the linear formula (CH3)3COOC(CH3)2CC(CH3)2OOC(CH3)3 and a molecular weight of 286.41 g/mol. This technical grade material, assaying at 90%, serves as a critical free radical initiator in various polymerization processes. Its properties make it suitable for applications requiring controlled radical generation.
- IUPAC
- 2,5-Bis(tert-butylperoxy)-2,5-dimethyl-3-hexyne,2,5-Dimethyl-2,5-di(tert-butylperoxy)-2-hexyne
- Synonyms
- 1068-27-5, 2,5-Dimethyl-2,5-di(tert-butylperoxy)-2-hexyne

Free Radical Polymerization
This compound functions as a highly effective free radical initiator, crucial for initiating and controlling the polymerization of various monomers. It is employed in the production of polymers where precise radical generation is required for achieving desired molecular weights and polymer architectures.
Materials Science Applications
Utilized in materials science, it contributes to the synthesis of novel polymeric materials. Its decomposition characteristics allow for tailored radical generation, enabling its use in the development of advanced materials with specific physical and chemical properties.
Organic Peroxide Applications
As a specific type of organic peroxide, it finds application in processes that benefit from controlled thermal decomposition to generate free radicals. This includes applications in crosslinking and modification of existing polymer chains.
| Molecular weight | 286.41 |
|---|---|
| Linear formula | (CH3)3COOC(CH3)2CC(CH3)2OOC(CH3)3 |
| Assay | 90% |
| Grade | technical grade |
| Density | 0.883 g/mL at 25 °C(lit.) |
| Storage temperature | 2-8°C |
| Application | Free radical polymerization initiator. |
| Melting point | 88 °C (SADT)(lit.) |
| Composition | active oxygen content, 10 wt. % |



Hazard statements
- H241Heating may cause a fire or explosion
- H315Causes skin irritation
- H319Causes serious eye irritation
Precautionary statements
- P220Keep away from clothing and combustible materials
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P411Store at controlled temperature
| Transport (UN / ADR) | UN 3101 5.2 |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | E,Xi |
| Risk statements (R) | 2-7-36/38 |
| Safety statements (S) | 7-14-26-35-36/37/39-47 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| T1 2 | 10 hr(125 °C) |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2,5-Di(tert-butylperoxy)-2,5-dimethyl-3-hexyne used for?
+
2,5-Di(tert-butylperoxy)-2,5-dimethyl-3-hexyne (CAS: 1068-27-5) is primarily used as a free radical initiator in polymerization processes and in various materials science applications.
What are the CAS number and formula for 2,5-Di(tert-butylperoxy)-2,5-dimethyl-3-hexyne?
+
The CAS number is 1068-27-5, and its linear formula is (CH3)3COOC(CH3)2CC(CH3)2OOC(CH3)3.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this product as a technical grade with an assay of 90%. We do not represent it as USP, BP, or EP grade.
How should 2,5-Di(tert-butylperoxy)-2,5-dimethyl-3-hexyne be handled?
+
This compound is a danger with hazards including rapid heating (H241), skin irritation (H315), and serious eye irritation (H319). It requires careful handling and storage at 2-8°C (P411+P235). Always ensure adequate ventilation (P261) and wear appropriate protective equipment (P280).
How is 2,5-Di(tert-butylperoxy)-2,5-dimethyl-3-hexyne packed and shipped?
+
As a specialist global supplier and exporter, Tech Serve Solutions ensures appropriate packaging and shipping in compliance with all relevant regulations for hazardous materials, including organic peroxides (UN 3101).
How can I request a quote or sample?
+
To request a quote or sample, please contact our sales team directly through our website or by phone. Provide the product name and CAS number for prompt service.
▶ Related products

(2,3-Epoxypropyl)benzene
Polymer Science

(2-Boc-amino)ethyl methacrylate
C11H19NO4
Polymer Science
(3,5,5-Trimethylcyclohex-2-enylidene)malononitrile
Polymer Science

(3-Acrylamidopropyl)trimethylammonium chloride solution
Polymer Science

1,1,1-Trifluoro-2-(trifluoromethyl)-2-hydroxy-4-methyl-5-pentyl methacrylate
Polymer Science

1,1,1-Tris(4-hydroxyphenyl)ethane
Polymer Science

1,1-Cyclohexanediacetic acid
Polymer Science

1,12-Diisocyanatododecane
Polymer Science
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis