2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene (CAS 7128-64-5) — formula C26H26N2O2S, molecular weight 430.6; category organic chemicals.
Documented applications: Uses: Permitted for use as an inert ingredient in non-food pesticide products, [EPA] Used as an optical brightener for polymers, fibers, films, inks, lacquers, paints and liquid scintillators, [Merck Index], Painting (Pigments, Binders, and Biocides) [Category: Paint], Textiles (Printing, Dyeing, or Finishing) [Category: Industry], Industry Uses: Antioxidant, Monomers, Not Known or Reasonably Ascertainable, Brightener, Consumer Uses: Not Known or Reasonably Ascertainable, Antioxidant, U.S. Production: 2023: 550, 000 - <1, 000, 000 lb, 2022: 550, 2021: 550, 2020: 550, General Manufacturing Information: Plastics Material and Resin Manufacturing, Adhesive Manufacturing, All Other Basic Organic Chemical Manufacturing, Printing Ink Manufacturing, Benzoxazole, 2, 2'-(2, 5-thiophenediyl)bis[5-(1, 1-dimethylethyl)-: ACTIVE.
2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene is a carbon-based organic compound with CAS registry number 7128-64-5 and molecular formula C26H26N2O2S (molecular weight 430.6), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 7128-64-5
Its molecular formula C26H26N2O2S comprises 26 C, 26 H, 2 N, 2 O, 1 S atoms.
Also known as: 2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene · 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
Category: organic chemicals
The CAS registry number of 2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene is 7128-64-5.
Molecular formula C26H26N2O2S, molecular weight 430.6.
It is also registered under: 2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene, 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene.
Recorded applications: Uses: Permitted for use as an inert ingredient in non-food pesticide products, [EPA] Used as an optical brightener for polymers, fibers, films, inks, lacquers, paints and liquid scintillators, [Merck Index], Painting (Pigments, Binders, and Biocides) [Category: Paint], Textiles (Printing, Dyeing, or Finishing) [Category: Industry], Industry Uses: Antioxidant, Monomers, Not Known or Reasonably Ascertainable, Brightener, Consumer Uses: Not Known or Reasonably Ascertainable, Antioxidant, U.S. Production: 2023: 550, 000 - <1, 000, 000 lb, 2022: 550, 2021: 550, 2020: 550, General Manufacturing Information: Plastics Material and Resin Manufacturing, Adhesive Manufacturing, All Other Basic Organic Chemical Manufacturing, Printing Ink Manufacturing, Benzoxazole, 2, 2'-(2, 5-thiophenediyl)bis[5-(1, 1-dimethylethyl)-: ACTIVE.
Category: Organic Chemicals.
Public-database records for 2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene (CAS 7128-64-5), reproduced here for independent cross-checking.
| GHS notification summary | 11.9% (408 / 3430) |
|---|---|
| Reported hazard statements | H413 (86%) |
This chemical does not meet GHS hazard criteria for 11.9% (408 of 3430) of reports.
H413 (86%): May cause long lasting harmful effects to aquatic life [Hazardous to the aquatic environment, long-term hazard]
| Regulatory & Food Contact | FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS 2,2'-(2,5-THIOPHENEDIYL)-BIS(5-TERT-BUTYLBENZOXAZOLE) 2,2'-(2,5-THIOPHENEDIYL)-BIS (5-TERT-BUTYLBENZOXAZOLE) |
|---|---|
| GHS notification summary | 11.9% (408 / 3430) |
| CAS Registry Number | 7128-64-5 |
|---|---|
| PubChem CID | 292429 |
| 分子式 | C26H26N2O2S |
| IUPAC 名称 | 5-tert-butyl-2-[5-(5-tert-butyl-1,3-benzoxazol-2-yl)thiophen-2-yl]-1,3-benzoxazole |
| UNII（FDA） | W7UR9129GP |
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene; FLUORESCENT BRIGHTENER 184; Benzoxazole, 2,2'-(2,5-thiophenediyl)bis[5-(1,1-dimethylethyl)-; 5-tert-butyl-2-[5-(5-tert-butyl-1,3-benzoxazol-2-yl)thiophen-2-yl]-1,3-benzoxazole; NSC 158163; EINECS 230-426-4; Benzoxazole, 2,2'-(2,5-thiophenediyl)bis(5-tert-butyl-; Bis(tert-butyl benzoxazolyl) thiophene; W7UR9129GP; BRIGHTENER OB; TINOPAL OB; UVITEX 3BSA; 2,2'-(2,5-Thiophenediyl)bis(5-tert-butylbenzoxazole); KEYFLUOR WHITE PL; 2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene; 2,5-Bis(5'-tert-butyl-2-benzoxazolyl)thiophene
| 分子量 | 430.6 |
|---|---|
| XLogP3 | 8 |
| 氢键供体数 | 0 |
| 氢键受体数 | 5 |
| 可旋转键数 | 4 |
| 精确质量 | 430.17149925 |
| 单同位素质量 | 430.17149925 |
| 拓扑极性表面积 | 80.3 |
| 重原子数 | 31 |
| 形式电荷 | 0 |
2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene · CAS 7128-64-5 · C26H26N2O2S. UNII W7UR9129GP.
Source: PubChem / Wikidata; the batch COA governs where values differ.
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