3，3'，5，5'-tetramethyl-4，4'-biphenyldiol TMBP Cas 2417-04-1

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%.