Product Name: Antioxidant 4426 (702)

Chemical Name: 4,4'-Methylenedianhydride

CAS：118-82-1

Physical and Chemical Properties: White to light yellow crystalline powder; pure melting point 154°C; relative density 0.99; easily soluble in benzene aromatic hydrocarbons; insoluble in water and 10% NaOH solution. Low toxicity; rat oral LD50 > 24g/kg.

Technical Specifications:

Application:
Antioxidant 4426 has low volatility and excellent heat-oxygen stability, suitable for antioxidant applications in polyethylene, polypropylene, ABS resin, and polyester, and is also an excellent antioxidant for oils.
 
Dosage: Generally 0.1-0.5 parts (for reference only, actual dosage should be based on experimental standards)
 
Packaging and Storage
◆ Paper-plastic composite bags, lined with plastic bags, net weight of 20 kg or 25 kg per package.
Prior to transportation and storage, ensure the product packaging is intact. During transportation and storage, categorize and stack items in a dry, clean, and shaded warehouse to prevent moisture, heat, and spoilage.