Fluorescent whitening agent OB-1
Chemical name: 2.2'- (4,4'- two styryl) bisbenzoxazole
Structure:
CAS number: 1533-45-5
EC number: 216-245-3
Molecular formula: C28H18N2O2
Molecular weight: 414
Nature: This product is yellow crystal powder. Fluorescent blue and white light, melting point 353 C. There is no odor, no odor and stable performance. The maximum absorption wavelength of 374nm. is highly fluorescent, and the emission wavelength is 434nm, and the technology is not.
Appearance: yellow crystal powder
Color: bright lanliang (similar to standard)
Melting point: 351-353 C
Solid content: 99.5%
Fineness: through 100 mesh
Usage: mainly used for polyester whitening solution, especially for whitening polyester fiber, polyester / cotton and other blended fabric whitening, whitening plastic products for.
Packing: 10KG cardboard drum, or packaging according to user's requirements.