Min. Order Reference FOB Price
500 kg US$6.99-10.99 / kg
Product Description
Product Description Fluorescent whitening agent OB-1 Appearance Yellow-green crystal powder Content 99% Melting Point 357-361ºC Volatile content ≤0.5% Molecular Weight: 414.4 Max UV Absorption Wavelength: 374 nm Max Optical Emitting Wavelength: 434 nm Fluorescent ...