optical brightener COB PB

• Post Date:

  Feb 23,2017

• Expiry Date:

  Feb 23,2018

• Detailed Description:

  Cas No. :2866-43-5 PRODUCT NAME: 2,5-bis-(benzoxazol-2-)thiophene
  
  Other name:
  
  2,2'-(2,5-thiophenediyl)bis-benzoxazole
  2,5-di(benzoxazol-2-yl)thiophene
  2,5-Bis(2-benzoxazolyl)thiophene
  fluorescent brightener 185
  C.I. Fluorescent Brightener 172
  c.i. 515240
  2,2'-thiophene-2,5-diylbis(benzoxazole)
  Benzoxazole, 2,2-(2,5-thiophenediyl)bis-
  2,5-Bis(benzoxazol-2-yl)thiophene
  2,2'-(2,5-thiophenediyl)bis-benzoxazol
  2,5-di(benzoxazol-2-yl)-thiophen
  sof (fluorescent brightener)
  2,5-BIS(2-BENZOXAZOL-2-YL)THIOPHENE
  FLUORESCENT BRIGHTENER 185 :2,2''-(2,5-THIOPHENEDIYL)BIS-BENZOXAZOLE
  FBA185
  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
  
  C.I. Number:
  Specification:
  Properties Specifications:
  APPEARANCE bright -colored light yellow crystal power
  MELTING POINT 216-220°C
  PURITY: ≥99.5%
  ASH 0.1% max
  VOLATILE MATTER 0.5% max
  MESH SIZE passing 100 mesh

• CAS Registry Number:

  2866-43-5

• Synonyms:

  ;FBA 185;2.5-bis-(benzoxazol-2-)thiophene;Optical Brightener EBF;2,2'-thiene-2,5-diylbis(1,3-benzoxazole);Fluorescent Brightening Ebf;Ebf;Fluorescent brightener EBF;Optical Brightening Agent EBF;2,2'-thiophene-2,5-diylbis(benzoxazole);Optical Brightner EBF;

• Molecular Formula:

  C₁₈H₁₀N₂O₂S

• Molecular Weight:

  318.3492

• Molecular Structure:

  

• Company:

  Yongchang Polymer Additives Co ltd     [ China ]        

• Contact:

  Mickel

• Tel:

  +86-20-61876219

• Fax:

• Email:

  info@chinapolymeradditives.cn