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Optical Brightener OB-1

Inquiry
  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: 1533-45-5 Fluorescent Brightener 393
  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
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