LIFTCHEM-UV Curing Raw Materials, Pharmaceutical Intermediates
Liopal OB, is mainly used for PVC, PS, PE, PP, ABS and other plastics and acetate fiber, paint, paint, ink, etc
CAS No.7128-64-5
Chemical Name:2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
Synonyms: Optical Brightener OB;UVITEX OB;2,5-BIS(5-TERT-BUTYL-BENZOXAZOL-2-YL)THIOPHENE;UVITEX;Optical Brightening Agent;2,5-BIS(5-TERT-BUTYLBENZOXAZOYL)-2-THIOPHENE;BBOT;B-184;bbot150
Liopal OB is yellow-green powder. The melting point is 200 ~ 201℃, and the decomposition temperature is greater than 220℃.
Insoluble in water, soluble in alkanes, fats, mineral oils, waxes and common organic solvents.
Solubility/(g/100ml) :
methanol 0.05;
Acetone 0.5; Toluene 5.3; Carbon tetrachloride 5.9;
Tetrahydrofuran 5.5; DMF0.8; Chlorobenzene 10.2;
Cyclohexane 3.3; Xylene 5.5; Water 0.01.
Maximum absorption wavelength 374nm.