Fluorescent Brightener 9 CAS 133-66-4

Introduction：Basic information about Fluorescent Brightener 9 CAS 133-66-4, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Fluorescent Brightener 9 Basic information

• Product Name: Fluorescent Brightener 9
• Synonyms: Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[4,6-bis(phenylamino)-1,3,5-triazin-2-yl]amino]-, disodium salt;Fluorescent brightening agent 9 (C.I. 40621);2,2'-(1,2-Ethenediyl)bis[5-[[4,6-bis(phenylamino)-1,3,5-triazin-2-yl]amino]benzenesulfonic acid sodium] salt;4,4'-Bis(2,4-dianilino-1,3,5-triazin-6-ylamino)stilbene-2,2'-disulfonic acid disodium salt;4,4'-Bis[[4,6-bis(phenylamino)-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulfonic acid disodium salt;C.I.40621;C.I.Fluorescent Brightener 9;Whitex SB
• CAS: 133-66-4
• MF: C44H34N12Na2O6S2
• MW: 936.9271
• EINECS: 205-117-2
• Mol File: 133-66-4.mol

Fluorescent Brightener 9 Chemical Properties

• density: 1.508[at 20℃]
• pka: -1.05[at 20 ℃]
• Water Solubility: 140mg/L at 20℃
• LogP: 8.96
• EPA Substance Registry System: Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4,6-bis(phenylamino)-1,3,5-triazin-2-yl]amino]-, disodium salt (133-66-4)

Safety Information

• TSCA: TSCA listed
• Toxicity: LD50 oral in rabbit: > 10gm/kg

Fluorescent Brightener 9 Usage And Synthesis

Flammability and Explosibility

Non flammable