optical brightener hs code

Optical brightener  hs code 32042000 can be widely used in PVC, PS, ABS, PE, PP and other plastics. Optical brightener hs code 32042000 has a superior fluorescent whitening effect, good thermal stability, and few added amounts. More importantly, it is more cost effective. Optical brightener OB-1 hs code 32042000 can greatly improve the whiteness of recycled polyester staple fiber and recycled textiles and plastic soda bottles (PET).

HS code of optical brightener is 32042000. Brightener / optical whitener with hs code 32042000 is a kind of colorless organic compound which can excite fluorescence under ultraviolet light. Optical brightener hs code 32042000 can improve the whiteness and luster of fabrics and paper. Whitening agent is also known as optical brightener, fluorescent whitening agent, and some people call it white dye.  

Product Name:  Optical brightener OB-1
Chemical Name: 4,4'-Bis(2-benzoxazolyl) stilbene
CAS No.: 1533-45-5
MF: C28H18N2O2
Appearance: Yellowish green powder
ASSAY: 99%min
Melting Point: 357~359°C 

Packaging: 25kg drum, or per customer requests.