LQ-BPDY 2,5-Bis(tert-butyl peroxy)-2,5-dimethylhexyne-3 1068-27-5

ItemContent
Product NameInitiator LQ-BPDY
Chemical Name2,5-Bis(tert-butyl peroxy)-2,5-dimethylhexyne-3
Molecular FormulaC₁₆H₃₀O₄
Molecular Weight286.4
Theoretical Active Oxygen Content11.17%
CAS No.1068-27-5
UN No.3113
Einecs213-944-5
IMO (Marine)5.2 (Organic Peroxide Liquid, Type B, Class 5.2 Dangerous Goods Packaging)

Major Decomposition Products

Decomposition Product
Tert-butyl alcohol
2,5-Dimethyl-2,5-dihydroxyhexene
Methane
Acetone

Safety Indicators

Half-LifeTemperature
0.1 hour164°C
1 hour141°C
10 hours121°C

Thermal Stability Data

Thermal Stability ParameterTemperature
Self-accelerating Decomposition Temperature (SADT)80°C
Critical Temperature (Tem)75°C
Storage Temperature (Tsmax)10/30°C

Technical Specifications

AppearanceClear Liquid
Active Ingredient Content85% min
Color100 Pt-Co max
Tert-butyl Hydroperoxide and 2,5-Dimethyl-2,5-Tert-Butyl Hydroperoxide Content0.4% max

Usage

ApplicationDetails
Polymer Crosslinking AgentWidely used for crosslinking various polymers, especially polyethylene (LDPE, HDPE) and ethylene-vinyl acetate (EVA). Crosslinking temperature: 185°C or higher. Use quantity: 0.5%-3.8% (W/W).
Polypropylene Degradation AgentExcellent for degrading polypropylene to low molecular weight with a narrow molecular weight distribution, improving melt flow. Suitable for high-speed spinning, coating, film, and cast materials.
Initiator for Styrene PolymerizationUsed as an initiator for styrene polymerization and copolymerization. Reaction temperature: 30-185°C.

Packaging and Transportation

ItemDetails
Standard Packaging20 kg polyethylene packaging. Custom sizes available upon request.
Transport RegulationsTransport conforms to IMDG 5.2, UN No. 3113 (Class 5.2 Liquid Organic Peroxide).

Shelf Life

Shelf Life (Storage Conditions)Details
Shelf LifeProduct quality guaranteed for 3 months if stored according to manufacturer instructions.

Storage Instructions

PrecautionDescription
Storage TemperatureMust follow recommended storage temperature. Exceeding the critical temperature can lead to fire hazards.
Storage EnvironmentStore away from open flames, heat sources, static electricity, and direct light exposure. Ensure good ventilation.
Separation from HazardsStore separately from reducing agents, rust, dust, heavy metals, acids, and alkalis.
HandlingHandle carefully to avoid impact and friction.

Fire Protection

Fire ProtectionDescription
Small Fire HandlingFor small fires, use foam or dry powder extinguishers.
Large Fire HandlingEvacuate to a safe distance, use a water cannon to extinguish, and promptly notify fire services.

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