Sell optical brightener er-ii @China (Mainland)

Formula: C₂₄H₁₆N₂
Molecular weight: 332

Specifications

Appearance     Light yellow crystal powder

Fluorescent      Violet(approximate to that of the standard agent)

Melting point   188-192°C

Active Content         ≥98%

Characteristics:
Light yellow crystal powder, not dissolve in water, can dissolve in a lot of organic solvent.

Application:
For whitening and brightening of polyester, cellulose acetate and plastic.

Usage:
Generally 0.02-0.08% weight of polyester.

Packaging & Storage: 
Plastic lined paper box, n.w.25kg, avoid light, transport as non-hazardous.

Post by lee crystal    Chemicals    @2012-09-29 14:39:46