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

Item	Content
Product Name	Initiator LQ-VA
Chemical Name	Butyl 4,4-di(tert-butylperoxy) valerate
Molecular Formula	C₁₂H₂₆O₄
Molecular Weight	334.5
Theoretical Active Oxygen Content	9.57%
CAS No.	995-33-5
UN No.	3106
Einecs	213-626-6

Major Decomposition Products

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

Safety Indicators

Half-Life	Temperature
0.1 hour	143°C
1 hour	121°C
10 hours	102°C

Thermal Stability Data

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

Usage

Application	Details
Rubber Vulcanization	Excellent 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

Item	Details
Standard Packaging	20 kg corrugated carton packaging. Custom packaging available upon request.
Transportation Regulations	IMO (Maritime) 5.2, UN No. 3106, Type D organic peroxide solid, Class 2 dangerous goods packaging.

Storage Instructions

Precaution	Description
Storage Conditions	Strictly follow manufacturer’s storage temperature. Storing above critical temperature may cause fire.
Storage Environment	No open flames, away from heat sources, prevent static, store in the dark, ensure good ventilation.
Large-Scale Storage	When storing in large quantities, use a separate warehouse and avoid contact with reducing agents, rust, dust, heavy metal ions, acids, and bases.
Impact and Friction	Prevent impact and friction to avoid accidents.

Fire Protection

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