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

Technical 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: TR — Chemotto Kimya Ltd. Şti., İstanbul

  • KKDİK-uyumlu tedarik
  • SEA etiketli

Related products

Get a Quote

Request a Quote

Contact

Create a request

Tell us what you need and we’ll reply with pricing and lead time — usually within hours.

Your details

Enter your name.

Enter your company.

Enter a valid email.

Select your country.

Products (optional)

Add at least one product. Quantity is required; grade and packaging are optional.

Product 1

Selected:

Choose a product from the list.

Enter a quantity.

Documents (optional)

Documents within the same business day

Select a product first to request documents

No price list, no account, no cart — just a fast, direct reply.

A response in hours, not days.

Tell us what you need; we'll identify the right option for you and come back with the details.

A quick response, with quotes and documentation when you need them.