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

Description Sources
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene structure
CAS No.
7128-64-5
Chemical Name:
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
Synonyms
BBOT;B-184;UVITEX;FBA 184;bbot150;UVITEX 2B;UVITEX OB;EUTEX OB-RC;OptiblancPL;UVITEX(R) 2B
CBNumber:
CB3434574
Molecular Formula:
C26H26N2O2S
Formula Weight:
430.56
MOL File:
7128-64-5.mol

2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene Properties

Melting point:
199-201 °C(lit.)
Density 
1.26
refractive index 
1.6360 (estimate)
Flash point:
>350°C
solubility 
toluene: soluble50mg/mL
form 
powder
Water Solubility 
Soluble in acetone and toluene. Insoluble in water.
λmax
373nm(EtOH)(lit.)
Merck 
14,1014
BRN 
631803
Stability:
Stable. Incompatible with strong oxidizing agents.
InChIKey
AIXZBGVLNVRQSS-UHFFFAOYSA-N
CAS DataBase Reference
7128-64-5(CAS DataBase Reference)
NIST Chemistry Reference
Benzoxazole, 2,2'-(2,5-thiophenediyl)bis[5-(1,1-dimethylethyl)-(7128-64-5)
EPA Substance Registry System
Benzoxazole, 2,2'-(2,5-thiophenediyl) bis[5-(1,1-dimethylethyl)- (7128-64-5)
SAFETY
  • Risk and Safety Statements
Risk Statements  36/37/38
Safety Statements  24/25
WGK Germany  1
RTECS  DM4888332
TSCA  Yes
HS Code  29349990

2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene price More Price(8)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 223999 2,5-Bis(5-tert-butyl-benzoxazol-2-yl)thiophene suitable for scintillation, 99% 7128-64-5 5g $41.7 2018-11-20 Buy
TCI Chemical B1554 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene >98.0%(HPLC)(N) 7128-64-5 5g $29 2018-11-22 Buy
TCI Chemical B1554 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene >98.0%(HPLC)(N) 7128-64-5 25g $60 2018-11-22 Buy
Alfa Aesar A14928 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene, 99% 7128-64-5 25g $83.3 2018-11-13 Buy
Alfa Aesar A14928 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene, 99% 7128-64-5 5g $33.1 2018-11-13 Buy

2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene Chemical Properties,Uses,Production

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

  1. https://pubchem.ncbi.nlm.nih.gov/compound/bbot#section=Top
  2. https://www.alfa.com/zh-cn/catalog/A14928/
  3. http://www.xcolorpigment.com/FLUORESCENT-BRIGHTENER-OB.html
  4. http://www.offerchems.com/products/catalyst-auxiliary/fluorescent-brightener-184-cas-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

Preparation Products


2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene Suppliers

Global( 248)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 30001 58
Dalian Richfortune Chemicals Co., Ltd
86-411-84820922, 84821539
86-411-84821380 sales@richfortunechem.com China 360 57
Winchem industrial co limited
0086-574-83851061
0086-574-87083209 info@win-chemical.com CHINA 300 58
Henan DaKen Chemical CO.,LTD.
+86-371-55531817
info@dakenchem.com CHINA 21676 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693
0371-55170693 info@tianfuchem.com CHINA 20672 55
Mainchem Co., Ltd.
+86-0592-6210733
+86-0592-6210733 sales@mainchem.com CHINA 32447 55
Hangzhou FandaChem Co.,Ltd.
0086 158 5814 5714 (Mobile; WhatsApp; Telegram)
+86-571-56059825 fandachem@gmail.com CHINA 2887 55
Tianjin Zhongxin Chemtech Co., Ltd.
022-89880739
022-66880086 sales@tjzxchem.com CHINA 575 58
NINGBO INNO PHARMCHEM CO., LTD.
13867897135
sales@nbinno.com CHINA 925 58
Chemwill Asia Co.,Ltd.
86-21-51086038
86-21-51861608 chemwill_asia@126.com;sales@chemwill.com;chemwill@hotmail.com;chemwill@gmail.com CHINA 23980 58

View Lastest Price from 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2019-10-12 Optical Brightener OB
7128-64-5
US $0.00 / KG 25KG 98% 20 tons QINGDAO JADE NEW MATERIAL TECNOLOGY CO.,LTD
2018-08-02 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
7128-64-5
US $20.00-10.00 / KG 25KG 99% 5tons career henan chemical co

2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene Spectrum


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