Other names: Optical brightening agent OB-1; Fluorescent brightener 393
CAS number: 1533-45-5
Molecular formula: C28H18N2O2
Molecular Weight: 414.46
Characteristics:
Optical brightener agent OB-1 is yellow crystal powder. Its melting point is 353°C, It is insolvable in water, odorless, having stable performance and strong fluorescence. Its maximum absorption spectrum wave length is 374nm and the wave length transmitted by fluorescence is 434 nm.
Specification:
| Items |
Tech Grade |
| Appearance |
yellowish green powder |
| Melting Point |
357~359°C |
| Main content |
99.5%Min. |
Packing:
In 25kg fiber drum.
Use:
Optical brightener agent OB-1 is mainly used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization.
MSDS: Available when required.
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