LQ-TBPA Tert-butyl peroxyacetate 107-71-1

ItemContent
Product NameInitiator LQ-TBPA
Chemical NameTert-butyl peroxyacetate
Molecular FormulaC₆H₁₂O₃
Molecular Weight132.18
Theoretical Active Oxygen Content12.11%
CAS No.107-71-1
UN No.3103
Class5.2, Type C Organic Peroxide Liquid

Properties

PropertyDescription
AppearanceColorless transparent liquid
SolubilityInsoluble in water, soluble in most organic solvents
Decomposition Temperature159°C
Specific Gravity (20°C)0.923
Refractive Index (20°C)1.035
Available Products70% and 50% concentrations available

Major Decomposition Products

Decomposition Product
Tert-butyl alcohol
Acetic acid
Di-tert-butyl ether
Methane
Ethane

Safety Indicators

Half-LifeTemperature
0.1 hour139°C
1 hour119°C
10 hours100°C

Thermal Stability Data

Thermal Stability ParameterTemperature
Self-accelerating Decomposition Temperature (SADT)70°C
Critical Temperature (Tem)65°C
Storage Temperature (Tsmax)-15/10°C

Technical Standards

Item75% min50% min
Active Oxygen Content8.96% min5.93% min
Free Acid Content0.5% max0.5% max

Usage

ApplicationDetails
Polyethylene Polymerization (LDPE)Excellent low-temperature initiator for high-pressure polyethylene polymerization, especially in tubular methods. Can be combined with LQ-TBPV (Tert-butyl peroxyvalerate), LQ-TBPEH (Tert-butyl peroxy-2-ethylhexanoate), and LQ-TBPB (Tert-butyl peroxybenzoate) for enhanced polymerization.
Curing Unsaturated Polyester ResinsUsed as a high-temperature curing agent for unsaturated polyester resins.
Styrene and Vinyl Ester PolymerizationEffective initiator for styrene or styrene copolymer polymerization and for methyl methacrylate and vinyl acetate ester polymerization.

Packaging and Transportation

ItemDetails
Standard Packaging20 kg polyethylene containers. Custom packaging available upon request.

Storage Instructions

PrecautionDescription
Storage ConditionsStore in a cool, well-ventilated area. Maximum storage temperature: 30°C. Keep away from heat sources, flames, and incompatible materials such as acids, reducing agents, and flammable substances.
Storage StabilityQuality guaranteed for three months under proper storage and transportation conditions.
Handling PrecautionsHandle carefully to avoid damage to packaging. Follow personal protection measures as outlined in the MSDS.

Fire Protection

Fire ProtectionDescription
Small Fire HandlingUse foam or dry powder extinguishers for small fires, followed by water to prevent re-ignition.
Large Fire HandlingFor large fires, move to a safe distance and use large amounts of water to extinguish. Notify fire services for further action.

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