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Molekula

Molekula

2,5-Bis(2-benzoxazolyl)thiophene

SKU 74127555 CAS 2866-43-5 C18H10N2O2S MW 318.3492 Available on enquiry

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch

2,5-Bis(2-benzoxazolyl)thiophene is a conjugated heterocyclic compound known as Fluorescent Brightener 185, widely used as an optical brightener for plastics, synthetic fibres and coatings, and also employed as a fluorescent dye and scintillator. It acts as a fluorescent whitening agent, absorbing ultraviolet light and re-emitting it as blue light. CAS 2866-43-5, molecular formula C18H10N2O2S, molecular weight 318.3492. Stored at ambient conditions with no signal word required. Molekula supplies 2,5-Bis(2-benzoxazolyl)thiophene from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

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Overview

SKU
74127555
CAS Number
2866-43-5
IUPAC Name
2-[5-(1,3-benzoxazol-2-yl)thiophen-2-yl]-1,3-benzoxazole
EC Number
220-685-1
Molecular Formula
C18H10N2O2S
Molecular Weight
318.3492
Exact Mass
318.0463
SMILES
C1=CC=C2C(=C1)N=C(O2)C3=CC=C(S3)C4=NC5=CC=CC=C5O4
InChIKey
UGFSLKRMHPGLFU-UHFFFAOYSA-N
InChI
InChI=1S/C18H10N2O2S/c1-3-7-13-11(5-1)19-17(21-13)15-9-10-16(23-15)18-20-12-6-2-4-8-14(12)22-18/h1-10H
PubChem CID
17867

Synonyms

  • 2-[5-(1,3-benzoxazol-2-yl)thiophen-2-yl]-1,3-benzoxazole
  • 2,2'-(2,5-Thiophenediyl)bis-benzoxazole
  • 2,2'-Thiophene-2,5-diylbis(benzoxazole)
  • 2,5-Bis(benzo[d]oxazol-2-yl)thiophene
  • Benzoxazole, 2,2'-(2,5-thiophenediyl)bis-
  • Fba 185
  • Fluorescent Brightener 185
  • SOF (fluorescent brightener)
  • Thiophenebis(benzoxazolyl)
  • Uvitex EBF

Frequently asked questions

What is 2,5-Bis(2-benzoxazolyl)thiophene primarily used for?

This compound, also known as Fluorescent Brightener 185, is primarily used as an optical brightener for plastics, synthetic fibres and coatings, absorbing UV light and emitting blue light. It is also used as a fluorescent dye and scintillator.

What is the chemical formula and molecular weight of 2,5-Bis(2-benzoxazolyl)thiophene?

The chemical formula is C₁₈H₁₀N₂O₂S, and the molecular weight is 318.3492 g/mol.

How should 2,5-Bis(2-benzoxazolyl)thiophene be stored?

Store at ambient conditions in a cool, dry place, away from direct sunlight and incompatible materials.

What grades or purities of 2,5-Bis(2-benzoxazolyl)thiophene does Molekula supply?

Molekula supplies this compound in high-purity research grade (≥98%) for laboratory and development applications.

Can Molekula supply 2,5-Bis(2-benzoxazolyl)thiophene in bulk quantities?

Yes, we can accommodate bulk orders—please contact our sales team for pricing and availability on larger quantities.

What documentation is provided with an order of 2,5-Bis(2-benzoxazolyl)thiophene?

Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet.

Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.

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