4,4'-bis[(E)-2-(2-methoxyphenyl)ethenyl]biphenyl

4,4'-双(2-甲氧苯乙烯基)联苯

Also known as: Fluorescent Brightener 378, Fluorescent Brightener FP, Fluorescent Brightener FP-127, UVITEX FP, CSFC 127, 4,4'-bis(2-methoxystyryl)-1,1'-biphenyl, 4,4'-bis(2-methoxystyryl)biphenyl, 1,1'-biphenyl-4,4'-bis[2-(2-methoxyphenyl)ethenyl], 4,4'-bis[2-(2-methoxyphenyl)vinyl]biphenyl, 4,4'-bis[(E)-2-(2-methoxyphenyl)ethenyl]biphenyl, optical brightener 378, Optical Brightener FP-127, C.I. 378

4,4'-bis[(E)-2-(2-methoxyphenyl)ethenyl]biphenyl (CAS 40470-68-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C30H26O2 and a molecular weight of 418.526 g/mol. It is also known as Fluorescent Brightener 378, Fluorescent Brightener FP and Fluorescent Brightener FP-127. Key properties include a melting point of 216-222°C, a boiling point of 590.3±50.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 209.4±29.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

40470-68-6

Jingsj CID

J-38033-7

Molecular Formula

C₃₀H₂₆O₂

Chinese Name

4,4'-双(2-甲氧苯乙烯基)联苯

Molecular Weight

418.526 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026