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.