Khoom npe:
2, 5-Bis({2}}tert-butyl-2-benzoxazolyl) thiophene
Specifications:
CAS Nr.: 7128-64-5
Kev Ntsuas: 99.5% Min
Synonyms: 2, 5'-bis[2-(5-tert-buty l-2 benzoxazoly)thiophene; Fluorescent Brightener 184; 2, 2'-(2, 5-thiophenediyl)bis(5-(1, 1-}dimethylethyl)-benzoxazol
Tus Qauv Zauv: CI 184
Cov mis mos molecular: C26H26SO2N2
Molecular Luj: 430
EINECS:230-426-4
Tus qauv qauv:
Khoom:
| Qhov tshwm sim | Me ntsis ntsuab daj hmoov |
| Melting point | 199-201 degree (lit.) |
| Boiling point | 531.2 ± 45. 0 degree (Predicted) |
| Qhov ntom | 1.26 |
| Refractive Index | 1.6360 (kwv yees) |
| Flash point | >350 degree |
| Solubility toluene | Soluble 50mg / ml |
| Daim ntawv | hmoov |
| Pka | 3. |
| Xim | Pale Green mus rau daj |
| Dej Solubility | Soluble nyob rau hauv acetone thiab toluene. Insoluble hauv dej. |
| lw max | 373nm (EtOH) (lit.) |
| Kev ruaj ntseg | ruaj khov. Incompatible nrog muaj zog oxidizing neeg sawv cev. |
| LogP | 8.6 ntawm 25 degree |
Daim ntawv thov:
Optical Brightener OB yog fluorescent whitening agent ntawm thiophenediyl benzoxazole class. Nws muaj txiaj ntsig zoo hauv cov khoom siv polymer xws li engineering plastics, PE, PC, PVC, PS, ABS thiab PP, nplaum thiab lwm yam organic substrates.
Pob:
Ntim hauv 25kgs fiber ntau nruas nrog ob chav PE liners, lossis raws li cov neeg siv khoom thov.
Cia:
Khaws rau hauv qhov chaw txias thiab qhuav.
Cim npe nrov: optical brightener ob (ci184), Tuam Tshoj optical brightener ob (ci184) manufacturers, lwm tus neeg, Hoobkas
