CHEMICAL NAME:2, 5-bis(5-tertbutyl-2-benzoxazolyl)thiophene
MOLECULAR FORMULA:C26H26N2O2S (As International relative Atom Mass 1997)
MOLECULAR WEIGHT:430.2
Max UV ABSORPTION WAVELENGTH:375 nm (ethanoll)
SPECIFICATIONS:
Item
Indices
Appearance
light yellow or milk white powder
Purity
≥ 99.0 %
Melting point
201-202℃
Ash
≤ 0.1％
Volatile content
≤ 0.4%
PROPERTIES:
Optical brightener OB is a kind of benzoxazole compound, lt is odorless, hard to dissolve in water, soluble in paraffin, fat, mineral oil, wax and common organic solvents. It can be used for whitening thermoplastic plastics, PVC, PS, PE, PP, ABS, Acetate fiber, paint, coating, printing ink, etc. It can be added at any stage in the process of whitening the polymers and make the finished products emitt a bright bluish white glaze.
It can also be used as special marks in identify fakless material if used in printing ink.
PACKAGE:Packaged in iron drum or cardboard barrels. Net weight is 25 kg or 50 kg each.
This company is registered as a free member and is not verified or authenticated by Tradekey.com
Our company specialize in the production of series Fluorescent brighteners and Chemical auxiliaries, such as fluorescent brightener CPS, MST, 4BK, DMS, SWN, OB, OB-1, CBS that used in textile, plastic, paper, detergent, paint, printing ink, ceramics, etc. The capacity is 1,800 tons every year and 70% of our products are for export.
We promises to customers: the best quality, most favorable quo...
