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. The Omnistab OB ER-2 has the characteristics to absorb ultraviolet radiation and re-emits as a visible light in the blue range of the spectrum.
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- CAS number(s): 13001-38-2
- Chemical name(s): 1-(2-Cyanostyryl)-4-(4-cyanostyryl)benzene
- Molecular formula: C24H16N2
- Molecular weight (g/mol): 332.4
- EU (EG-No (EINECS/ELINCS)): 235-834-6
- Assay (%): 98.00 min
- Melting range (°C): 188.00 - 192.00
- Water-fast content (%): 00.30 max
- Fineness (mesh): 100 min
- Product form(s): Crystal powder
- Packaging option(s): Carton