2,2'-([1,1'-biphenyl]-4,4'-diyldi-2,1-ethenediyl)bis(benzenesulfonic acid)

4,4'-双(2-磺酸基苯乙烯基)-1,1'-联苯

Also known as: C.I. 482200, Fluorescent Brightener 351, 4,4'-bis(2-sulfostyryl)biphenyl, 2,2'-(4,4'-biphenyldiyldi-2,1-ethenediyl)dibenzenesulfonic acid, 2,2'-[(4,4'-biphenylylene)bis(ethene-2,1-diyl)]bisbenzenesulfonic acid, Benzenesulfonic acid, 2,2'-([1,1'-biphenyl]-4,4'-diyldi-2,1-ethenediyl)bis-

2,2'-([1,1'-biphenyl]-4,4'-diyldi-2,1-ethenediyl)bis(benzenesulfonic acid) (CAS 38775-22-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C28H22O6S2 and a molecular weight of 518.601 g/mol. It is also known as C.I. 482200, Fluorescent Brightener 351 and 4,4'-bis(2-sulfostyryl)biphenyl. Key property: a density of 1.4±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

38775-22-3

Jingsj CID

J-1114083-8

Molecular Formula

C₂₈H₂₂O₆S₂

Chinese Name

4,4'-双(2-磺酸基苯乙烯基)-1,1'-联苯

Molecular Weight

518.601 g/mol

Category

Organic Acids

Last updated

8/21/2026