ChemicalBook >> CAS DataBase List >>2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
- CAS No.
- 7128-64-5
- Chemical Name:
- 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
- Synonyms
- Optical Brightener OB;UVITEX OB;TINOPAL CBS-X;2,5-BIS(5-TERT-BUTYL-BENZOXAZOL-2-YL)THIOPHENE;UVITEX;Optical Brightening Agent;2,5-BIS(5-TERT-BUTYLBENZOXAZOYL)-2-THIOPHENE;BBOT;B-184;bbot150
- CBNumber:
- CB3434574
- Molecular Formula:
- C26H26N2O2S
- Molecular Weight:
- 430.56
- MDL Number:
- MFCD00005774
- MOL File:
- 7128-64-5.mol
- MSDS File:
- SDS
Last updated:2024-08-21 22:41:43
| Melting point | 199-201 °C(lit.) |
|---|---|
| Boiling point | 531.2±45.0 °C(Predicted) |
| Density | 1.26 |
| refractive index | 1.6360 (estimate) |
| Flash point | >350°C |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | toluene: soluble50mg/mL |
| pka | 3.03±0.10(Predicted) |
| form | powder |
| color | Pale Green to Yellow |
| 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 |
| LogP | 8.6 at 25℃ |
| Indirect Additives used in Food Contact Substances | 2,2'-(2,5-THIOPHENEDIYL)-BIS (5-TERT-BUTYLBENZOXAZOLE) |
| FDA 21 CFR | 178.3297 |
| CAS DataBase Reference | 7128-64-5(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| FDA UNII | W7UR9129GP |
| NIST Chemistry Reference | Benzoxazole, 2,2'-(2,5-thiophenediyl)bis[5-(1,1-dimethylethyl)-(7128-64-5) |
| EPA Substance Registry System | 2,2'-(2,5-Thiophenediyl)bis[5-tert-butylbenzoxazole] (7128-64-5) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319 | |||||||||
| Precautionary statements | P261-P271-P280 | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 24/25 | |||||||||
| WGK Germany | 1 | |||||||||
| RTECS | DM4888332 | |||||||||
| TSCA | Yes | |||||||||
| HS Code | 29349990 | |||||||||
| Toxicity | LD50 orl-rat: >10 g/kg MVCRB3 2,193,1973 | |||||||||
| NFPA 704 |
|
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene price More Price(45)
| 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 | $56.9 | 2024-03-01 | Buy |
| TCI Chemical | B1554 | 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene >98.0%(HPLC)(N) | 7128-64-5 | 5g | $36 | 2024-03-01 | Buy |
| TCI Chemical | B1554 | 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene >98.0%(HPLC)(N) | 7128-64-5 | 25g | $76 | 2024-03-01 | Buy |
| Alfa Aesar | A14928 | 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene, 99% | 7128-64-5 | 5g | $47 | 2024-03-01 | Buy |
| Alfa Aesar | A14928 | 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene, 99% | 7128-64-5 | 25g | $116 | 2024-03-01 | 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
- https://pubchem.ncbi.nlm.nih.gov/compound/bbot#section=Top
- https://www.alfa.com/zh-cn/catalog/A14928/
- http://www.xcolorpigment.com/FLUORESCENT-BRIGHTENER-OB.html
- http://www.offerchems.com/products/catalyst-auxiliary/fluorescent-brightener-184-cas-7128-64-5/
Chemical Properties
light yellow-green crystals
Uses
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene 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, paint, coating and printing ink. It is also useful in detecting the presence of thin-film electrical contact lubricants.
Uses
Optical brightener additive in polymers, fibers, films, inks, laquers, and paints. In liquid scintillators.
Flammability and Explosibility
Not classified
Safety Profile
Low toxicity by ingestion. Whenheated to decomposition it emits toxic vapors of NOx andSOx.
Properties and Applications
|
TEST ITEMS |
SPECIFICATION |
|
APPEARANCE |
LIGHT YELLOW OR MILK WHITE POWDER |
|
SHADE |
LIGHT YELLOWISH |
|
METLING POINT |
201-202 ° C |
|
PURITY |
99% min |
|
FINENESS |
300 mesh min |
|
SOLUBILITY |
hardly soluble in water,but soluble in paraffin, mineral oils and ordinary organic solvents. |
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene Preparation Products And Raw materials
Raw materials
1of2
Preparation Products
Global( 463)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29888 | 58 |
| Winchem industrial co limited | +86-0086-574-83851061 +86-13003762012 | lucyhu@win-chemical.com | China | 300 | 58 |
| Qingdao Truelight functional Material Technology Co., Ltd. | +86-13573844393 | songjames@truelightchem.com | China | 221 | 58 |
| Finetech Industry Limited | +86-27-87465837 +8618971612321 | info@finetechnology-ind.com | China | 9640 | 58 |
| Hebei Chuanghai Biotechnology Co,.LTD | +86-13131129325 | sales1@chuanghaibio.com | China | 5872 | 58 |
| Hebei Kingfiner Technology Development Co.Ltd | +86-15532196582 +86-15373005021 | lisa@kingfinertech.com | China | 2990 | 58 |
| Hebei Zhuanglai Chemical Trading Co.,Ltd | +8613343047651 | admin@zlchemi.com | China | 3002 | 58 |
| Shandong Deshang Chemical Co., Ltd. | +86-0531-8875-2665 +8613153039501 | info@deshangchem.com | China | 646 | 58 |
| Capot Chemical Co.,Ltd. | 571-85586718 +8613336195806 | sales@capotchem.com | China | 29798 | 60 |
| Shanghai Daken Advanced Materials Co.,Ltd | +86-371-66670886 | info@dakenam.com | China | 18629 | 58 |
Related articles
- 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene: Enhancing Fluorescent Stability in LDPE Films and Optical Brighteners
- 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene enhances LDPE film stability and acts as a whitening agent in textiles, plastics....
- Mar 1，2024
- 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene: properties, applications and safety
- 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene is a valuable fluorescent whitening agent with strong UV fluorescence and wide a....
- Nov 3，2023
- 2,5-Bis(5-tert-butyl-2-benzoxazolyl) thiophene: Uses as an Organic Brightener
- 2,5-Bis(5-tert-butyl-2-benzoxazolyl) thiophene is a well-known organic brightener in dye industry and was also reported as an ....
- Oct 24，2019
View Lastest Price from 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2024-09-19 | Fluorescent Brightener
7128-64-5
|
US $11.00 / KG | 1KG | 99% | 10000kg | Hebei Chuanghai Biotechnology Co,.LTD | |
 |
2024-09-13 | 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
7128-64-5
|
US $10.00-7.00 / kg | 1kg | 99.99% | 10 tons | Shandong Deshang Chemical Co., Ltd. | |
 |
2024-08-14 | OPTICAL BRIGHTENER TRUELICHT OB
7128-64-5
|
US $0.00 / KG | 1drums | 98% | 20 tons | Qingdao Truelight functional Material Technology Co., Ltd. |
-
- Fluorescent Brightener
7128-64-5
- US $11.00 / KG
- 99%
- Hebei Chuanghai Biotechnology Co,.LTD
-
- 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
7128-64-5
- US $10.00-7.00 / kg
- 99.99%
- Shandong Deshang Chemical Co., Ltd.
-
- OPTICAL BRIGHTENER TRUELICHT OB
7128-64-5
- US $0.00 / KG
- 98%
- Qingdao Truelight functional Material Technology Co., Ltd.
7128-64-5(2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene)Related Search:
bbot150
Benzoxazole, 2,2'-(2,5-thiophenediyl)bis(5-tert-butyl-
Benzoxazole, 2,2'-(2,5-thiophenediyl)bis*5-(1,1-dimethylethyl)-
Benzoxazole, 2,2'-(2,5-thiophenediyl)bis[5-(1,1-dimethylethyl)-
LABOTEST-BB LT00053574
CI FLUORESCENT BRIGHTENER 362
DERIVATIVE OF STILBENE DISULFONIC ACID
BBOT
2,5-DI(5-TERT-BUTYLBENZOXAZOL-2-YL)THIOPHENE
2,5-BIS-2(5-TERT-BUTYL-BENZOXALYL)THIOPHENE
2,5-BIS(5'-TERT-BUTYL-2'-BENZOXAZOLYL)THIOPHENE
2,5-BIS-(5-TERT-BUTYL-2-BENZOXAZOL-2-YL)THIOPHENE
2,5-BIS(5'-TERT-BUTYL-2-BENZOXAZOL-2-YL)THIOPHENE
2,5-BIS-(5-T-BUTYLBENZOXAZOLYL-[2-YL])-THIOPHENE
2,5-BIS(5-T-BUTYL-2-BENZOXAZOLYL)THIOPHENE
2,2'-(2,5-THIOPHENEDIYL) BIS [5-TERT-BUTYLBENZOXAZOLE]
2,5-thiophenediylbis(5-tert-butyl-1,3-benzoxazole)
Optical Brightening Agent OB C. I. 184
Fluorescent whitening agent OB
BIS(T-BUTYL BENZOXAZOLYL) THIOPHENE
2 5-BIS(5-TERT-BUTYL-2-BENZOXAZOLYL)THI&
2,5-BIS(5-TERT-BUTYL-2-BENZOXAZOLYL)THIO -PHENE, 99%, SCINTILLATION GRADE
OptiblancPL
2,5-BIS-(5'-TERT-BUTYL-2-BENZOXAZOL-2-YL)THIOPHENE (BBOT)
BBOT, scintillation grade
OpticalBrighteningAgentOBC.I.
2,2'-(Thien-2,5-diyl)bis[5-(tert-butyl)-1,3-benzoxazole], 2,5-Bis[5-(tert-butyl)benzo[d]oxazol-2-yl]thiophene, BBOT
2,5-Bis[5-(tert-butyl)-1,3-benzoxazol-2-yl]thiophene
2,2-(2,5-two phenylthio)-[5-(1,1- twoMethyl ethyl)]benzoxazoles
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene,99%
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
Optical Brighter OB
2,5-Bis(5-tert-butylbenzooxazol-2-yl)thiophene
UVITEX 2B
UVITEX(R) 2B
TOSLAB 644820
2,2’-(2,5-thiophenediyl)bis(5-(1,1-dimethylethyl)-benzoxazol
2,2’-(2,5-thiophenediyl)bis(5-tert-butyl-benzoxazol
2,2’-(2,5-thiophenediyl)bis[5-(1,1-dimethylethyl)-benzoxazol
2,2’-(2,5-thiophenediyl)bis[5-(1,1-dimethylethyl)-Benzoxazole
2,5-Thiophendiylbis(5-tert.-butyl-1,3-benzoxazol)
1,4-BIS(BENZOXAZOLE-2-YL)NAPHTHALENE
2,5-Bis(5-t-butylbenzoxazol-2-yl)thiophene
2,5-Bis-2(5-tert-butylbenzoxazolyl)thiophene
5-tert-Butyl-2-[5-(5-tert-butyl-1,3-benzoxazol-2-yl)-2-thienyl]-1,3-benzoxazole
EUTEX OB-RC
EUTEX-OB RC EXTRA
FLUORESCENTBRIGHTENEROB(2,5-BIS(5-TERT-BUTYL-2-BENZOXAOLYL)THIOPHENE)
Fluorescent Brightener 184
2，5-di[5'-tertutyl-benzoxa-zolyl-2']-thiophene
5-tert-Butyl-2-[5-(5-tert-butyl-1,3-benzoxazol-2-yl)thiophen-2-yl]-1,3-benzoxazole
2,2'-(Thiophene-2,5-diyl)bis(5-tert-butylbenzoxazole)
B-184
Fluorescent Brighten
OPTICAL BRIGHTENER 184
2,5-bis thiophene
BBOT, scintillation grade 5GR
FBA 184