1. Used as an intermediate material for liquid crystal polymers.
2. Synthetic high polymer, because of its excellent heat resistance, it is used as a modified monomer of polyester, polyurethane, polycarbonate, polysulfone and epoxy resin to manufacture excellent engineering plastics and composite materials. .
3. Used as a rubber antioxidant and plastic antioxidant.
4. Stabilizers for dye intermediates or petroleum products.
4 4 biphenol
White flake crystals
Lined with plastic bags of barrels or drums
Cool,dry and hermetic place
Used as rubber and latex antioxidant, can be used for light-colored rubber products, food packaging and medical latex products
Acute toxicity: LD50 of the abdominal cavity-mouse is 100 mg/kg; oral-rat LD50 is 9850 mg/kg.
Flammability Hazardous characteristics: flammable; combustion produces irritating fumes.
Storage and transportation characteristics: The warehouse is ventilated and dried at low temperature; it is stored separately from the food materials.
Extinguishing media: dry powder, foam, sand, carbon dioxide, water spray.
Stored and transported according to the general chemical regulations, packed in wooden drums or iron drums lined with plastic bags, stored in a dry place, pay attention to fire, water and dust.