Omnistab OB ER-2

About Omnistab OB ER-2

Omnistab OB ER-2 is a optical brightener used in polyester, polyester cotton, polyester yarn, polyester wool and polyester hemp. Besides it can also be used to whiten chemical fibers and plastics.

  • CAS number: 13001-38-2
  • Chemical name: 1-(2-Cyanostyryl)-4-(4-cyanostyryl)benzene
  • Moleculair formula: C24H16N2
  • Molecular weight (g/mol): 332.40
  • Assay (%): 98.00 min
  • Melting range (°C): 188.00 - 192.00
  • Water-fast content (%): 00.30 max
  • Fineness (mesh): 100 min
  • Product form(s): Crystalline powder
  • Packaging option(s): Carton
Product Data Sheet





Product Data Sheet

Omnistab OB ER-2


Date: Sunday, Jan 17, 2021

Product Composition

CAS number: 13001-38-2
Chemical name: 1-(2-Cyanostyryl)-4-(4-cyanostyryl)benzene
Moleculair formula: C24H16N2
Molecular weight (g/mol): 332.40

Product Specification

Assay (%) 98.00 min
Melting range (°C) 188.00 - 192.00
Water-fast content (%) 00.30 max
Fineness (mesh) 100 min
Product form(s): Crystalline powder
Packaging option(s) Carton

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