Product Name: 3,3′,5,5′-Tetramethylbiphenyl-4,4′-diol (TMBP)
Chemical Name
3,3′,5,5′-Tetramethyl-[1,1′-biphenyl]-4,4′-diol
Chemical Synonyms
2,2′,6,6′-Tetramethyl-*p,p*′-biphenol; 3,3′,5,5′-Tetramethyl-4,4′-biphenyldiol; TMBP
CAS No.
2417-04-1
Molecular Formula
C₁₆H₁₈O₂
Molecular Weight
242.31 g/mol
Product Properties
White to light-yellow powder or crystal; melting point approx. 222–225 °C; stable under normal temperature and pressure.
Storage
Keep container tightly closed. Store in a cool, dry, and well-ventilated place, away from incompatible materials such as oxidizing agents.
Packing
25 kg/drum (custom packaging available upon request).
Application
Used as a key modifier monomer for polyurethanes, polycarbonates, polysulfones, and epoxy resins; also serves as a rubber antioxidant, plastic antioxidant, dye intermediate, and stabilizer for petroleum products.
Product Specification
Purity: ≥99% (GC); Volatiles: ≤0.5%; Ash: ≤0.2%.