Name | Fluorescent Brightener ER-II |
Synonyms | ER-2 ER-II C.I.199-2 Fluorescent Brightener ER-2 Fluorescent Brightener ER-II fluorescent brightener er-ii Optical Brightening Agent ER-Ⅱ 1-(2-CYANOSTYRYL)-4-(4-CYANOSTYRYL)BENZENE Fluorescent brightening agent 199 (C.I. 40705) 2-[2-[4-[2-(4-cyanophenyl)vinyl]phenyl]vinyl]benzonitrile 2,2'-[benzene-1,4-diyldi(E)ethene-2,1-diyl]dibenzonitrile Benzonitrile, 2-2-4-2-(4-cyanophenyl)ethenylphenylethenyl- 2-[2-[4-[2-(4-cyanophenyl)ethenyl]phenyl]ethenyl]benzonitrile 2-[(E)-2-{4-[(E)-2-(4-cyanophenyl)ethenyl]phenyl}ethenyl]benzonitrile |
CAS | 13001-38-2 58449-88-0 |
EINECS | 235-834-6 |
InChI | InChI=1/C24H16N2/c25-17-22-13-11-20(12-14-22)6-5-19-7-9-21(10-8-19)15-16-23-3-1-2-4-24(23)18-26/h1-16H/b6-5+,16-15+ |
Molecular Formula | C24H16N2 |
Molar Mass | 332.4 |
Density | 1.18±0.1 g/cm3(Predicted) |
Melting Point | 181-186°C |
Boling Point | 573.5±50.0 °C(Predicted) |
Flash Point | 274.1°C |
Water Solubility | insoluble |
Solubility | Chloroform (Slightly), Dichloromethane (Slightly), Ethyl Acetate (Slightly, Soni |
Vapor Presure | 0Pa at 25℃ |
Appearance | Solid |
Color | Pale Green to Light Green |
Storage Condition | Amber Vial, Refrigerator, Under inert atmosphere |
Refractive Index | 1.66 |
Use | Used for polyester, polyester cotton, polyester yarn, polyester yarn, polyester wool, polyester hemp and other blended fabrics whitening, also used for artificial leather, paint and other industries whitening |