Optical Brightener OB-1

• Post Date:

  Dec 16,2014

• Expiry Date:

  Jun 14,2015

• Detailed Description:

  Cas No. :1533-45-5 Quantity: 1Metric Tons
  Specs:light yellow-green powder
  Price:14-18 USD Kilograms
  Payment Method: L/C, T/T
  Optical Brightener OB-1
  1.Introduction
  　　　Category：Stilbene benzoxazole type
  　　　Chemical name：2.2 '- (4.4' - diphenyl-vinyl) two-benzoxazole
  　　　Molecular Weight: 414.4
  　　　Molecular formula：C28H18N2O2
  2.Specifications
  Appearance: light yellow-green powder Content: ≥ 99.0% Melting point: 355-361 ℃ Fineness: ≤ 350 projects Volatile: ≤ 0.2%
  3.Performance and Characteristics
  　　Insoluble in water, soluble in trichlorobenzene, diphenyl ether high boiling point solvent; melting point as the product has high stability, and therefore have a very good heat resistance; because of a water-repellent, so good lightfastness; as fluorescence intensity of the product, not only to improve products and enhance the brightness of the whiteness, in the same fiber can be used as disperse dyes in plastic can be the same as the oil-soluble colorants used.
  4.Application
  1)Suitable for polyester fiber, nylon fiber, polypropylene fiber and other chemical whitening.
  2)For PP.PE,PVC,ABS,EVA,PS ,ABS etc whitening
  3)Applies to conventional polyester and nylon polymer added. 4, Especially for high temperature molded plastic products whitening.
  5.Added amount
  Recommended dosage: each 1000kg Material join OB-1 Brightener:
  1) EVA, polypropylene, nylon, polycarbonate, etc. dosage of 75 ~ 200g.
  2) the quantity of polyester fiber in 75 ~ 300g.
  3) through the quantity of benzene was 25-50g.
  6.package: 
  25KG fiber drum lined with plastic bags

• CAS Registry Number:

  1533-45-5

• Synonyms:

  ;Fluorescent Brightener OB-1;FBA393；2,2'-(4.4'-diphenol vinyl)di-henzoxazol ;2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole;FBA 393;4,4'-bis(benzoxazol-2-yl)stilbene;Optical Brightener OB-1;C.I. 393;Fluorescent whtening agent OB-1;Fluorescent Whitening Agent OB-1;2,2'-(ethene-1,2-diyldibenzene-4,1-diyl)bis(1,3-benzoxazole);2,2'-[(E)-ethene-1,2-diyldibenzene-4,1-diyl]bis(1,3-benzoxazole);Optical Brightening Agent OB-1;Optical Brightner OB-1;ptical Brightening Agent OB-1;4,4-Bis(2-Benzoxazolyl) Stilbene;

• Molecular Formula:

  C₂₈H₁₈N₂O₂

• Molecular Weight:

  414.4547

• Molecular Structure:

  

• Safety Description:

  S24/25:;
  

• Company:

  Zhejiang Shengzhou Wanshida Chemical Co., Ltd.     [ China ]        

• Contact:

  david He

• Tel:

  0575-83126808

• Fax:

  0575-83371088

• Email:

  zjmansda@gmail.com