Optical Brightener OB CI184
| Chemical name | 2.5-bis(5-tertbutyl-2-benzoxazolyl)thiophene |
| Molecular formula | C26H26SO2N2 |
| Molecular weight | 430.575 |
| CAS NO. | 7128-64 -5 |
Chemical structure
Specification
| Appearance | Light green powder |
| Assay | 99% min |
| Melting Point | 196 -203°C |
| Volatiles Content | 0.5% max |
| Ash content | 0.2%max |
Usage
(With plastic raw material weight percentage)
PVC Whitening: 0.01 ~ 0.05%
PVC: To improve brightness: 0.0001 ~ 0.001%
PS: 0.0001 ~ 0.001%
ABS: 0.01 ~ 0.05%
Polyolefin colorless matrix: 0.0005 ~ 0.001%
White Matrix: 0.005 ~ 0.05%
Package and Storage
Net 25kg/full-paper drum
Store the product in a cool, dry, well-ventilated area away from incompatible materials.
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