Fluorescent Brightener 251 CAS 16324-27-9

Introduction：Basic information about Fluorescent Brightener 251 CAS 16324-27-9, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Fluorescent Brightener 251 Basic information

• Product Name: Fluorescent Brightener 251
• Synonyms: 2,2'-(1,2-Ethenediyl)bis[5-[[4-[(2-hydroxyethyl)amino]-6-[[3-(sodiooxysulfonyl)phenyl]amino]-1,3,5-triazin-2-yl]amino]benzenesulfonic acid sodium] salt;4,4'-Bis[[4-[(2-hydroxyethyl)amino]-6-(m-sulfoanilino)-1,3,5-triazin-2-yl]amino]-2,2'-stilbenedisulfonic acid tetrasodium salt;fluorescent brightener 251;C.I. Fluorescent Brightener 114;c.i. 406233;tetrasodium 4,4'-bis[[4-[(2-hydroxyethyl)amino]-6-(m-sulphonatoanilino)-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulphonate;2,2'-(1,2-Ethenediyl)bis[5-[4-[(2-hydroxyethyl)amino]-6-[(m-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]benzenesulfonic acid, tetrasodium salt;Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[(2-hydroxyethyl)amino]-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-, tetrasodium salt
• CAS: 16324-27-9
• MF: C36H37N12NaO14S4
• MW: 1012.99
• EINECS: 240-400-4
• Mol File: 16324-27-9.mol

Fluorescent Brightener 251 Chemical Properties

• density: 1.68[at 20℃]
• vapor pressure: 0Pa at 25℃
• Water Solubility: 140.4g/L at 20℃
• LogP: -7.51
• EPA Substance Registry System: Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[(2-hydroxyethyl)amino]-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-, tetrasodium salt (16324-27-9)

Safety Information

• TSCA: TSCA listed

Fluorescent Brightener 251 Usage And Synthesis

Uses

Fluorescent brightener 251 is an optical brightener dye.

Flammability and Explosibility

Non flammable

References

[1] Vérité PM , et al.First-principles investigation of the double ESIPT process in a thiophene-based dye. Phys Chem Chem Phys. 2019 Jan 30;21(5):2307-2317.