LQ-VA Butyl 4,4-di(tert-butylperoxy) valerate 995-33-5

ItemContent
Product NameInitiator LQ-VA
Chemical NameButyl 4,4-di(tert-butylperoxy) valerate
Molecular FormulaC₁₂H₂₆O₄
Molecular Weight334.5
Theoretical Active Oxygen Content9.57%
CAS No.995-33-5
UN No.3106
Einecs213-626-6

Major Decomposition Products

Decomposition Product
Methane
Ethane
Acetone
Butyl propionate
Tert-butyl alcohol
Carbon dioxide
Butyl acetoacetate

Safety Indicators

Half-LifeTemperature
0.1 hour143°C
1 hour121°C
10 hours102°C

Thermal Stability Data

Thermal Stability ParameterTemperature
Self-accelerating Decomposition Temperature (SADT)55°C
Critical Temperature (Tem)45°C
Storage Temperature (Tsmax)--/30°C

Usage

ApplicationDetails
Rubber VulcanizationExcellent vulcanizing agent for rubber, with a low scorch safety. Rheology time at 125°C is 20 minutes, and at vulcanization temperature of 160°C, the rheology time is 12 minutes.

Packaging and Transportation

ItemDetails
Standard Packaging20 kg corrugated carton packaging. Custom packaging available upon request.
Transportation RegulationsIMO (Maritime) 5.2, UN No. 3106, Type D organic peroxide solid, Class 2 dangerous goods packaging.

Storage Instructions

PrecautionDescription
Storage ConditionsStrictly follow manufacturer’s storage temperature. Storing above critical temperature may cause fire.
Storage EnvironmentNo open flames, away from heat sources, prevent static, store in the dark, ensure good ventilation.
Large-Scale StorageWhen storing in large quantities, use a separate warehouse and avoid contact with reducing agents, rust, dust, heavy metal ions, acids, and bases.
Impact and FrictionPrevent impact and friction to avoid accidents.

Fire Protection

Fire ProtectionDescription
Small Fire HandlingUse foam or dry powder extinguishers for small fires caused by product combustion.
Large Fire HandlingFor large fires, evacuate to a safe distance, use water cannon to fight the fire, and immediately notify fire services for further assistance.

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