Huzhou Shenda Chemical Co., Ltd.

Fluorescent Brightener

• Category :

  Adhesives and Sealants

• 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 :

  CAS No.: 497-19-8 H.S. Code: 2811199090 UN. No.: 2834 Molecular Formular：H3PO3 Molecular Weight: 82.00 Appearance: white crystal Packing: 25kg/bag Technical Datasheet Items Specification Top Grade The first grade Appearance White crystal White Crystal Purity(H3PO3)% ≥ 99.0%min 98.5%min Phosphate %　≤ 0.2%max 0.2 %max Chloride (Cl) %　≤ 0.01%max 0.02%max Sulphate % ≤ 0.008%max 0.008%max Iron(Fe) %　≤ 0.003%max 0.005%max Water Solubility Test Excellent Excellent Characteristic: Colour less crystalline. Density 1.65g/cm3. Easily deliquesce in air and soluble in water. Corrosiveness Usage: Raw material of the manufacture for phosphite and plastic stabilizer, synthetic fiber, dibasic phosphorous plumbum , glyphosate, water treatment ATMP and potassium phosphine . Using as reducing agent in chemical reaction, and pesticide middle –object.

   

• Molecular Structure :