Disodium 4,4'-bis[6-anilino-[4-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulfonate

荧光增白剂28

Also known as: Fluorescent Brightener 28, C.I. Fluorescent Brightener 28, Calcofluor White M2R, Tinopal UNPA-GX, Tinopal LPW, Cellufluor, Fluorescent brightening agent 28, Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[bis(2-hydroxyethyl)amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-, disodium salt

Disodium 4,4'-bis[6-anilino-[4-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulfonate (CAS 4193-55-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C40H42N12Na2O10S2 and a molecular weight of 960.94500 g/mol. It is also known as Fluorescent Brightener 28, C.I. Fluorescent Brightener 28 and Calcofluor White M2R. Key properties include a melting point of 290ºC and a density of 1.37 g/cm3 在 20 ℃. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

4193-55-9

Jingsj CID

J-1095652-8

Molecular Formula

C₄₀H₄₂N₁₂Na₂O₁₀S₂

Chinese Name

荧光增白剂28

Molecular Weight

960.94500 g/mol

Category

Organic Compounds

Last updated

8/21/2026