High purity 99%min ...

High purity 99%min 7128-64-5 Optical Brightener OB Best price of in bulk supply

High purity 99%min 7128-64-5 Optical Brightener OB Best price of in bulk supply

Min.Order / FOB Price:Get Latest Price

25 Kilogram

Negotiable

  • Min.Order :25 Kilogram
  • Purity: 99%min
  • Payment Terms : L/C,D/A,D/P,T/T,

Keywords

High purity 99%min 7128-64-5 Optical Brightener OB in bulk supply Best price of 7128-64-5

Quick Details

  • Appearance:white to off white powder
  • Application:Pharmaceutical active ingredients Pharmaceutical intermediates etc
  • PackAge:According to regular packing:bottle,Foil Bag ,Tin , drum etc
  • ProductionCapacity:1-100|Kilogram|Month
  • Storage:Shall be stored it in a dry and cool area.
  • Transportation:ocean shipping or air transportation

Superiority:

High purity 99%min 7128-64-5 Optical Brightener OB Best price of in bulk supply

2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene Basic information

Description Sources
Product Name: 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
Synonyms: EUTEX OB-RC;EUTEX-OB RC EXTRA;FLUORESCENTBRIGHTENEROB(2,5-BIS(5-TERT-BUTYL-2-BENZOXAOLYL)THIOPHENE);UVITEX;2,5-Thiophendiylbis(5-tert.-butyl-1,3-benzoxazol);1,4-BIS(BENZOXAZOLE-2-YL)NAPHTHALENE;Fluorescent Brightener 184;2，5-di[5'-tertutyl-benzoxa-zolyl-2']-thiophene
CAS: 7128-64-5
MF: C26H26N2O2S
MW: 430.56
EINECS: 230-426-4
Product Categories: Industrial/Fine Chemicals;Organics;Electroluminescence;Functional Materials;brightener;pigments
Mol File: 7128-64-5.mol
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene Structure

Company Introduction

1. Established in 2005, with two independent business divisions: Fine chemicals division;  Pharmaceutical division.

a. "Top 100 innovation-oriented export enterprises Of Hangzhou" honored by Hangzhou government   

b. Specialized in the fine chemicals and pharmaceuticals

c. A leading manufacturer and trader of APIs in China

2. Main product（Fine chemicals division）:

· Optical brightener

· 

· Textile auxiliary

· 

· Dye stuff

· 

· Pigments

3. Company Picture

Details:

2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene Usage And Synthesis
Description 2,5-Bis (5-tert-butyl-2-benzoxazolyl) thiophene (also known as fluorescent brightener 184)1 is used as an optical brightener, which converts UV light into visible light. It is also used as a fluorescent brightener for thermoplastic resins of polyvinyl chloride, acrylic resin, polyester fiber, thermoplastic plastic, ABS, cellulose acetate fiber, paint, coating and printing ink. It is also useful in detecting the presence of thin-film electrical contact lubricants2-4.
Sources
7128-64-5/
Chemical Properties light yellow-green crystals
Uses Optical brightener additive in polymers, fibers, films, inks, laquers, and paints. In liquid scintillators.
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene Preparation Products And Raw materials
Raw materials Dichloromethane-->Thionyl chloride-->Chloroform-->Sodium methanolate-->Glyoxal-->Adipic acid-->2,5-Thiophenedicarboxylic acid-->2-Amino-4-tert-butylphenol

Our Services
1. We are a professional exporter for Optical Brighteners, dyes, pigments
2. Stable and continue quality 
3. Quickly delivery
4. Good service

Our advantages
1. Government awarded company. Top 100 enterprises in Hangzhou
2. Quality warrant. If any quality failure. we 100% return the payment or replacement
3.More than 14 years experiences in pharmaceutical and chemical international trading
4.Fast response on customers request and fast shipment

 

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