Optical Brightener OB | 7128-64-5
Products Description
Optical Brightener OB is a fluorescent whitening agent with light yellow powder appearance and blue-white fluorescent colour light. It is soluble in alkane, paraffin, mineral oil and organic solvents, with a maximum absorption wavelength of 357 nm and a maximum fluorescence emission wavelength of 435 nm. It has excellent heat resistance, high chemical stability, good light transmission and brilliant bluish whitening effects with good compatibility, and is suitable for the whitening and brightening of PVC, PS, PE, PP, ABS, POM, PMMA and other thermoplastics and thermosetting plastics, paints, inks and coatings.
Application:
It can be used in thermoplastics, PVC, polystyrene, polyethylene, polypropylene, ABS and acetate, as well as in varnishes, paints, white magnetic paints and in coatings and inks. It also has a good effect on the whitening of synthetic fibres.
Synonyms:
TINOPAL OB CO | BASF
Product Details:
Product Name |
Optical Brightener OB |
C.I. |
184 |
CAS NO. |
7128-64-5 |
Molecular Formula |
C26H26N2O2S |
Moleclar Weight |
430.6 |
Appearance |
Yellow powder |
Melting Range |
196-203℃ |
Product Advantage:
1.Brilliant blueish whitening effects
2.Good compatibility in a wide range of resins
3.Excellent heat resistance
4.High chemical stablity
5.For indoor use only
Packaging:
In 25kg drums (cardboard drums), lined with plastic bags or according to customer’s requirements.