Optical Brightener ER-2
Structural formula
C.I: 199:1
CAS NO. :13001-38-2
Molecular formula: C24H16N2
molecular weight: 332.3972
Appearance: light yellow powder
Tone: violet blue
Purity: ≥99%
Melting point: 188-192℃
Application
1. It is suitable for the whitening and brightening of polyester and its blended fabric and acetate fiber;
2. It is not only suitable for both exhaustion dyeing and pad dyeing process;
3. This product has good leveling properties and good low-temperature coloring ability;
4. It is stable for reducing agents, oxidants and hypochlorous acid compounds;
5. High fluorescence intensity. A small amount can meet the whiteness requirements.
Package
25kg fiber drum，with PE bag inside or as customer’s request.
Shelf life
2 years.
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