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A high-temperature stable optical brightener for polyester fibers and plastics, providing excellent whiteness and lightfastness.

AdditivesPigments & Dyes
Plastics & RubberTextiles & Leather

Full specification

Molecular formula
C28H18N2O2
Grades
technical
Packaging
10 kg fibre drum · 25 kg fibre drum
Appearance
Yellow to yellowish-green crystalline powder
Synonyms
OB-1 · CI 393 · 1533-45-5 · FWA 393 · Fluorescent Brightener OB-1 · 2,2'-(1,2-ethenediyldi-4,1-phenylene)bisbenzoxazole · fluorescent whitening agent OB-1

Compliance & regulatory

Region: EU — Chemotto S.r.l., Milano

  • REACH-aligned supply
  • CLP-labelled

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