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

Item Content
Product Name Initiator LQ-BPDY
Chemical Name 2,5-Bis(tert-butyl peroxy)-2,5-dimethylhexyne-3
Molecular Formula C₁₆H₃₀O₄
Molecular Weight 286.4
Theoretical Active Oxygen Content 11.17%
CAS No. 1068-27-5
UN No. 3113
Einecs 213-944-5
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-Life Temperature
0.1 hour 164°C
1 hour 141°C
10 hours 121°C

Thermal Stability Data

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

Technical Specifications

Appearance Clear Liquid
Active Ingredient Content 85% min
Color 100 Pt-Co max
Tert-butyl Hydroperoxide and 2,5-Dimethyl-2,5-Tert-Butyl Hydroperoxide Content 0.4% max

Usage

Application Details
Polymer Crosslinking Agent Widely 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 Agent Excellent 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 Polymerization Used as an initiator for styrene polymerization and copolymerization. Reaction temperature: 30-185°C.

Packaging and Transportation

Item Details
Standard Packaging 20 kg polyethylene packaging. Custom sizes available upon request.
Transport Regulations Transport conforms to IMDG 5.2, UN No. 3113 (Class 5.2 Liquid Organic Peroxide).

Shelf Life

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

Storage Instructions

Precaution Description
Storage Temperature Must follow recommended storage temperature. Exceeding the critical temperature can lead to fire hazards.
Storage Environment Store away from open flames, heat sources, static electricity, and direct light exposure. Ensure good ventilation.
Separation from Hazards Store separately from reducing agents, rust, dust, heavy metals, acids, and alkalis.
Handling Handle carefully to avoid impact and friction.

Fire Protection

Fire Protection Description
Small Fire Handling For small fires, use foam or dry powder extinguishers.
Large Fire Handling Evacuate to a safe distance, use a water cannon to extinguish, and promptly notify fire services.

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