Keywords

• CAS 7128-64-5
• Fluorescent Brightener OB
• Best price of 7128-64-5

Quick Details

• ProName: Fluorescent Brightener OB CAS 7128-64-...
• CasNo: 7128-64-5
• Molecular Formula: C26H26N2O2S
• Appearance: white to off white powder
• Application: Pharmaceutical active ingredients Pha...
• DeliveryTime: Usually One week
• PackAge: According to regular packing:bottle,Fo...
• Port: Shanghai or Hangzhou or Beijing etc
• ProductionCapacity: 1-100 Kilogram/Month
• Purity: 99%min
• Storage: Shall be stored it in a dry and cool a...
• Transportation: ocean shipping or air transportation
• LimitNum: 25 Kilogram
• Dyeing Depth: 1-10
• Dyeing Fastness: 1-10
• Light(Xenon): 1-10
• WAshing 60°C×30: 1-10
• Perspiration: 1-10
• Rubbing: 1-10
• Sublimation 180°C×30: 1-10
• COA&Document: Please send us inquiry
• Related substances: Effective ingredients >99%
• Scorching residue: 0.1
• heavy metal: 0
• Term of validity: 3 year

Superiority

High purity 99%min 7128-64-5 Fluorescent 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