| | Identification | Back Directory |  | [Name] 
 Fluorescent Brightener 185
 |  | [CAS] 
 2866-43-5
 |  | [Synonyms] 
 FBA185
 c.i. 515240
 fluorescent brightener 185
 sof (fluorescent brightener)
 C.I. Fluorescent Brightener 172
 2,5-di(benzoxazol-2-yl)thiophene
 2,5-Bis(2-benzoxazolyl)thiophene
 2,5-di(benzoxazol-2-yl)-thiophen
 2,5-Bis(benzoxazol-2-yl)thiophene
 2,5-BIS(2-BENZOXAZOL-2-YL)THIOPHENE
 2,2'-(2,5-thiophenediyl)bis-benzoxazol
 2,2'-thiophene-2,5-diylbis(benzoxazole)
 2,2'-(2,5-thiophenediyl)bis-benzoxazole
 (12224-41-8) fluorescent brightener 185
 Benzoxazole, 2,2-(2,5-thiophenediyl)bis-
 Fluorescent Brightener 185 ISO 9001:2015 REACH
 2-[5-(1,3-benzoxazol-2-yl)-2-thienyl]-1,3-benzoxazole
 2-[5-(1,3-benzoxazol-2-yl)thiophen-2-yl]-1,3-benzoxazole
 FLUORESCENT BRIGHTENER 185 :2,2''-(2,5-THIOPHENEDIYL)BIS-BENZOXAZOLE
 |  | [EINECS(EC#)] 
 220-685-1
 |  | [Molecular Formula] 
 C18H10N2O2S
 |  | [MDL Number] 
 MFCD00205000
 |  | [MOL File] 
 2866-43-5.mol
 |  | [Molecular Weight] 
 318.35
 | 
 | Hazard Information | Back Directory |  | [Chemical Properties] 
 This product is light yellow crystalline powder with bright blue fluorescence. Melting point 218~219 ℃. Miscible with water in any ratio. Hard water resistance, acid resistance, alkali resistance. The fabric after using it has good light fastness, chlorine bleaching resistance and washing fastness.
 |  | [Uses] 
 Fluorescent Brightener 185 is used as a whitening treatment agent for acetate fiber, nylon, polyester, polypropylene, vinyl and blended fibers.
 |  | [Synthesis] 
 Using o-aminophenol and chlorobenzene as raw materials, Fluorescent Brightener 185 can be obtained after reaction.
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