Shaoxing ZhengGang Chemical Co. Ltd.

Optical Brightener

• Category :

  Catalyst and Auxiliary/Other Auxiliary Agent

• Synonyms :

  Optical Brightening Agent ER-��;1,4'-bis(2-cyanostyryl) Benzole;optical brightener 199;C.I.199;1,4-BIS(4-CYANOSTYRYL)BENZENE;4,4'-(p-phenylenediethene-2,1-diyl)bisbenzonitrile;Optical Brightening Agent ER C. I. 199;Benzonitrile, 4,4-(1,4-phenylenedi-2,1-ethenediyl)bis-;1,4'-bis(2-cyanostyryl) Benzene;Optical Brightener ER;1,4'-bis(2,4'-cyano-phenlene)-benzene;Optical Brightener ER II;Fluorescent Brightener ER-1;C.I. 199;4,4'-(benzene-1,4-diyldiethene-2,1-diyl)dibenzonitrile;4,4'-[benzene-1,4-diyldi(E)ethene-2,1-diyl]dibenzonitrile;2-[2-[4-[2-(2-cyanophenyl)vinyl]phenyl]vinyl]benzonitrile;FBA 199;Fluorescent Brightener ER-I;Fluorescent Brightener;Fluorescent Brightener ER;1,4-Bis(2-cyanostyryl)benzene;High Efficient Fluorescent whitening Agent CBS;Optical Brightener;Optical Brightening Agent;Fluorescent Whitening Agent;Fluorescent Brightener;Fluorescent Brightening Agent;Optical Whitening Agent;Optical Brightening Agent ER-III;Fluorescent Brightener ER-��;ER-��;Optical Brightening Agent ER-��;Optical Brightner ER-I;Optical Brightner ER-III;

• CAS NO :

  13001-40-6

• EC NO :

  235-836-7;235-835-1

• Molecular Formula :

  C₂₄H₁₆N₂

• Molecular Weight :

  332.3972

• Main Specifications :

• InChI :

  InChI=1/C24H16N2/c25-17-23-13-9-21(10-14-23)7-5-19-1-2-20(4-3-19)6-8-22-11-15-24(18-26)16-12-22/h1-16H/b7-5+,8-6+

• Product description :

  　　Main Ingredient: diphenylethene

  　　Specification:

  　　Appearance: light yellow powderColored light: bright violetIonicity: anionicfluorescence intensity: similar with the standardWater(%):≤5.0

  　　Properties1. Excellent fluorescent whiting effect to obtain higher degree of whiteness and more bright color shade.2. Not sensitive to light, with stable chemical properties.3. Resistant to alkali, hydrogen peroxide and perborate, suitable for alkaline oxygen bath and padding process.4. Excellent washing fastness.

  　　Applications:Mainly used for brightening of cotton, linen, viscose, polyamides and blended fabrics.

  　　Recommended dosage:

  　　1. dipping exhaustion methodDosage: 0.1-0.8%(o.w.f) bath ratio: 1:10-30Temperature X time:95-100℃×30-40min, washing, drying(anhydrous sodium sulfate or salt 10-20g/L can be added based on situation)

  　　2. Scouring, oxygen bleaching, brightening, one bath method. dosage: 0.2%-0.8%(o.w.f)hydrogen peroxide(30%): 5-15g/Lscouring agent: 3-5g/L bath ratio: 1:10-30Temperature and Time: 95-100℃×30-40min, washing, drying.

  　　Packing and Storage:50kg/drum Keep in a cool, dry and dark place. Shelf time: 6 months.

• Molecular Structure :