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Substance Name: FBA 185
RN: 2866-43-5
UNII: P104CN84X2
InChIKey: UGFSLKRMHPGLFU-UHFFFAOYSA-N

Note

  • Found in commercial polyester fabrics.

Molecular Formula

  • C18-H10-N2-O2-S

Molecular Weight

  • 318.355
 
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Names and Synonyms

Name of Substance

  • FBA 185

Synonyms

  • 2,2'-(2,5-Thiophenediyl)bisbenzoxazole
  • 2,5-Bis(2-benzoxazoyl)thiophene
  • 2,5-Bis(benzoxazol-2-yl)thiophene
  • EINECS 220-685-1
  • FBA 185
  • SOF
  • SOF (fluorescent brightener)
  • Thiophene, 2,5-di(benzoxazol-2-yl)-
  • Thiophenebis(benzoxazolyl)
  • UNII-P104CN84X2
  • Uvitex EBF

Systematic Names

  • 2,2'-Thiophene-2,5-diylbis(benzoxazole)
  • Benzoxazole, 2,2'-(2,5-thiophenediyl)bis-

Registry Numbers

CAS Registry Number

  • 2866-43-5

FDA UNII

  • P104CN84X2

Other Registry Numbers

  • 12224-41-8
  • 12224-46-3
  • 73201-83-9
  • 75026-70-9

System Generated Number

  • 0002866435

Structure Descriptors

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

InChIKey

UGFSLKRMHPGLFU-UHFFFAOYSA-N

Smiles

c1ccc2c(c1)nc(o2)c3ccc(s3)c4nc5ccccc5o4

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral > 30gm/kg (30000mg/kg)   MVC-Report. Vol. 2, Pg. 193, 1973.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 219 deg C   EXP
log P (octanol-water) 4.790 (none)   EST
Water Solubility 0.00954 mg/L 25 EXP
Vapor Pressure 2.58E-10 mm Hg 25 EST
Henry's Law Constant 2.81E-13 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 4.31E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.