LQ-TBPV tert-Butyl peroxypivalate 927-07-1

Item	Content
Product Name	Initiator LQ-TBPV
Chemical Name	tert-Butyl peroxypivalate
Molecular Formula	C₉H₁₈O₃
Molecular Weight	174.2
Theoretical Active Oxygen Content	9.18%
CAS No.	927-07-1
UN No.	3113
Einecs No.	213-147-2
Grade	5.2

Physical Properties

Property	Description
Physical Form	Colorless, transparent, oily liquid
Solubility	Insoluble in water, soluble in most organic solvents
Flash Point	Below -17℃
Viscosity (-10℃)	2.1 mPa.s
Solvent Compatibility	Can be mixed with isododecane or odorless mineral oil (OMS)

Main Decomposition Products

Decomposition Products	Substances
Major Decomposition Products	tert-Butyl alcohol, isobutone, isobutane, CO₂

Safety Indicators

Half-Life	Temperature
0.1 hour	94℃
1 hour	75℃
10 hours	57℃

Thermal Stability Data	Temperature
Self-accelerating Decomposition Temperature (SADT)	20℃
Critical Temperature (Tem)	10℃
Control Temperature (Tc)	0℃
Storage Temperature (Tsmax/TSmin)	-17℃ to -5℃

Technical Specifications

Item	Content
Appearance	Colorless, transparent liquid
Color (APHA)	20 APHA
Content	≥75.01%
TBHP (Tert-Butyl Hydroperoxide)	≤1000 mg/kg
Inorganic & Organic Hydrolyzable Chlorides	≤150 mg/kg

Applications

Application	Description
Polymerization Initiator	High-efficiency initiator for high-pressure tubular or batch polymerization of ethylene.
PVC Polymerization	Suitable for suspension polymerization of vinyl chloride at 50-70℃.
Acrylates and Methacrylates Polymerization	Initiator for acrylates and methacrylates suspension polymerization.
Vinyl Acetate (EVA) Polymerization	Important initiator for vinyl acetate (EVA).
Unsaturated Polyester Curing	Medium-temperature curing agent for unsaturated polyester, curing at 80-100℃.
Oil Quality Improvement	Enhances oil quality when added to oils.

Storage Precautions

Precaution	Description
Storage Conditions	Store in a cool, ventilated area with temperature not exceeding -15℃. Keep away from acids, reducing agents, flammable materials, and combustibles.
Handling Precautions	Avoid repackaging inside the warehouse. Keep away from fire, heat, and ignition sources.

Product Shelf Life

Item	Content
Shelf Life	Quality guaranteed for three months under proper storage conditions.

Fire Protection

Precaution	Description
Small Fire Handling	Use foam or dry powder extinguisher.
Large Fire Handling	Evacuate to a safe distance and use water jets. Notify the fire department.