Description

Bisphenol A ethoxylate dimethacrylate (CAS: 41637-38-1) is a high-purity, advanced dimethacrylate monomer engineered for precision applications in polymer chemistry and material science. With the molecular formula C₂₀H₂₆O₆, this compound features a bisphenol A core ethoxylated and terminated with methacrylate groups, offering exceptional crosslinking efficiency and reactivity in free-radical polymerization systems. Ideal for formulating high-performance dental resins, adhesives, coatings, and 3D printing photopolymers, it provides excellent mechanical strength, thermal stability, and chemical resistance. Available in varying molecular weights (e.g., Mn ~540 or ~1,700) with controlled ethylene oxide (EO) units per phenol group (e.g., EO/phenol 2 or 15), it enables tailored material properties. Inhibited with MEHQ (200 ppm) for enhanced storage stability. Suitable for industrial and research use under controlled conditions.

Properties

• CAS Number: 41637-38-1
• Complexity: 271
• IUPAC Name: acrylic acid;ethylene glycol;4-[1-(4-hydroxyphenyl)-1-methyl-ethyl]phenol
• InChI: InChI=1S/C15H16O2.C3H4O2.C2H6O2/c1-15(2,11-3-7-13(16)8-4-11)12-5-9-14(17)10-6-12;1-2-3(4)5;3-1-2-4/h3-10,16-17H,1-2H3;2H,1H2,(H,4,5);3-4H,1-2H2
• InChI Key: HGARWRTUWINPJC-UHFFFAOYSA-N
• Exact Mass: 362.17293854
• Molecular Formula: C20H26O6
• Molecular Weight: 362.4
• SMILES: CC(C)(C1=CC=C(C=C1)O)C2=CC=C(C=C2)O.C=CC(=O)O.C(CO)O
• Topological: 118
• Monoisotopic Mass: 362.17293854
• Synonyms: Bisphenol A ethoxylate dimethacrylate, 41637-38-1, HGARWRTUWINPJC-UHFFFAOYSA-N, Bisphenol A ethoxylate dimethacrylate, average Mn ~540, EO/phenol 2, ethane-1,2-diol;4-[2-(4-hydroxyphenyl)propan-2-yl]phenol;prop-2-enoic acid, Bisphenol A ethoxylate dimethacrylate, average Mn ~1,700, EO/phenol 15, contains 200 ppm MEHQ as inhibitor

Bisphenol A ethoxylate dimethacrylate is widely used as a crosslinking agent in dental composite resins due to its high reactivity and low shrinkage upon curing. It serves as a key monomer in UV-curable coatings and inks, providing excellent adhesion and durability. The compound is also utilized in 3D printing resins to enhance layer bonding and mechanical performance. Its ethoxylation level can be adjusted to modify hydrophilicity for specific biomedical or industrial applications.

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.