Optical Brightener OB

Description
Characteristic
Application
It is used in thermoplastic plastics such as PVC,PP,PS,ABS,SAN,SB,CA,PMMA,PA,acrylic resin,polyester fiber,paint,coating or brightening for printing ink, also can be used for hydrocarbon wax,etc.

Chemical name
2,5-bis(5-tert-butyl-1,2-benzoxazolyl) thiophene
Molecular formula
C26H26SO2N2
Molecular weight
430
CAS No. 7128-64-5
EINECS
230-426-4
Properties
Bright yellow green crystalline powder,odorless,decomposition temperature is higher than 220 DegC. It is hard to dissolve in water, and soluble in paraffin, fat, mineral oil, wax and common organic solvents. Its hue is blue light, maximum absorptive wave length is 375nm(ethyl alcohol).
Application
It is used in thermoplastic plastics such as PVC, PP, PS, ABS, SAN, SB, CA, PMMA, PA, acrylic resin, polyester fiber, paint, coating or brightening for printing ink, also can be used for hydrocarbon wax, etc.
Packing
25kg fiber drums.

Description
Characteristic
Bright yellow green crystalline powder,odorless,decomposition temperature is higher than 220 DegC. It is hard to dissolve in water,and soluble in paraffin,fat,mineral oil,wax and common organic solvents.Its hue is blue light, maximum absorptive wave length is 375nm(ethyl alcohol).
Application
It is used in thermoplastic plastics such as PVC,PP,PS,ABS,SAN,SB,CA,PMMA,PA,acrylic resin,polyester fiber,paint,coating or brightening for printing ink, also can be used for hydrocarbon wax,etc.
Description
Characteristic
Application
It is used in thermoplastic plastics such as PVC,PP,PS,ABS,SAN,SB,CA,PMMA,PA,acrylic resin,polyester fiber,paint,coating or brightening for printing ink, also can be used for hydrocarbon wax,etc.
