Min. Order Reference FOB Price
1000 kg US$25.00-40.00 / kg
Product Description
Optical Brightener ER-III C.I.199:2 Chemical name: 1.4-Bis-p-cyanostyryl-benzene Structure: Formula: C24H16N2 Appearance: Yellow powder Melting Point: 289 ~ 291 ºC Purity: 99.0%(min) Application: Suitable for the whitening and brightening of polyester, acetate and nylon fibers ...