fluorescent brightening agent

• Post Date:

  Mar 26,2021

• Expiry Date:

  Mar 26,2022

• Detailed Description:

  Cas No. :13001-40-6 Quantity: 2Metric Tons
  Specs:for detergent powder making
  Price:negotiable USD Metric Tons
  Payment Method: T/T, L/C,D/P
  Commodity: fluorescent brightening agent
  Type: CBS-351
  Main Chemical Composition: Stilbene derivative
  Property: 351 is slight yellow greenish crystalline powder(or slight yellow greenish granule) , soluble in water, anionic type, maximum spectrum absorption at 348-350nm
  Stability in front to alkaline peroxides (Sodium Percarbonate, Sodium Perborate, Hydrogen Peroxide) currently used in detergents.
  Stability in front to Hydrosulfides.
  Stability in front to alkalies.
  C.I. Number: 351
  Application: Can be used as brightener for detergent, cotton, linen,
  silk, polyamide fiber, wool and paper .It can be added to any
  process of any type of detergent.
  Process:
  1.Detergent(powder and paste form): 0.04-0.2%
  2.liquid detergent: 0.2-0.5%
  Package: 25kg per drum
  Specification and COA
  Item Standard Result
  Appearance yellow-greenish powder slight yellow-greenish powder
  ABSORPTION 1% DIL / 1 cm UV-VIS SPECTROSCOPY (value) 1120-1160 1135
  ABSORBANCE UV-VIS SPECTROSCOPY 7.5 mg/L WATER (value in nm) 0.829~0.885 0.856
  DMFPurity ≤0.7 0.0000%
  Ammonia Smell NO NO
  Impurities ≤5 conform
  Water-soluble Transparent to clarify transparent
  Indissoluble substance: ≤0.5% 0.25
  max in ultra-violet range: 348-350nm 349nm
  
  

• CAS Registry Number:

  13001-40-6

• Synonyms:

  ;Optical Brightening Agent ER-Ⅲ;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-Ⅰ;ER-Ⅰ;Optical Brightening Agent ER-Ⅰ;Optical Brightner ER-I;Optical Brightner ER-III;

• Molecular Formula:

  C₂₄H₁₆N₂

• Molecular Weight:

  332.3972

• Molecular Structure:

  

• Company:

  Yangzhou Guanmin Detergent Chemicals Co., Ltd.     [ China ]        

• Contact:

  Bill Nai

• Tel:

  0086-18852572628

• Fax:

  0086-514-80985708

• Email:

  billnai2006@yahoo.com