Omnistab OB FP 127

About Omnistab OB FP 127

Fluorescent whitening agent. It is highly effective in polymer substrates such as acrylics, thermoplastic polyurethanes, polyvinylchloride, styrene homo- and copolymers, polyolefins, and other organic substrates.

  • CAS number: 40470-68-6
  • Chemical name: 4,4'-bis(2-methoxystyryl)-1,1'-biphenyl
  • Moleculair formula: C30H26O2
  • Molecular weight (g/mol): 418.53
  • Content (%): 99.00 min
  • Volatiles (%): 0.50 max
  • Melting point/range (ºC): 218 - 224
  • Bulk density (g/cm3): 1.23
  • Ash (%): 0.30 max
  • Particle size: 200 mesh
  • Max absorpion wavelenght (nm in ethanol): 375
  • Spectrophotography (nm in DMF): 364 max
  • Product form(s): Crystalline powder, Powder
  • Packaging option(s):
Product Data Sheet





Product Data Sheet

Omnistab OB FP 127


Date: Sunday, Jan 17, 2021

Product Composition

CAS number: 40470-68-6
Chemical name: 4,4'-bis(2-methoxystyryl)-1,1'-biphenyl
Moleculair formula: C30H26O2
Molecular weight (g/mol): 418.53

Product Specification

Content (%) 99.00 min
Volatiles (%) 0.50 max
Melting point/range (ºC) 218 - 224
Bulk density (g/cm3) 1.23
Ash (%) 0.30 max
Particle size 200 mesh
Max absorpion wavelenght (nm in ethanol) 375
Spectrophotography (nm in DMF) 364 max
Product form(s): Crystalline powder, Powder
Packaging option(s)
REACH compliance





Regulation EC N˚ 1907/2006

Omnistab OB FP 127


Date: Sunday, Jan 17, 2021

According to Regulation (EC) N˚ 1907/2006 of the European Parliament and of the Council of 18 December 2006 concerning the Registration, Evaluation, Authorization and Restriction of Chemicals (REACH), all chemical substances on their own, contained in preparations, or in articles, manufactured, imported or used, should comply with the requirements of REACH.

In its role as importer and downstream user Partners in Chemicals has taken its responsibility to continuously consult with its suppliers outside the European Union (EU) about the responsibilities and requirements of REACH and will continue to do so.

In this light, we can inform you that the product that Partners in Chemicals currently supplies to you, Omnistab OB FP 127, is a product that is registered with the European Chemicals Agency (ECHA) in compliance with the tonnage band of 1-10mt. The registration number: 01-2120792580-49-****.

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