Optical Brightener SWN
Optical Brightener SWN
| Formula | C14H17NO2 |
| CI | 140 |
| CAS Nr. | 91-44-1 : kuv |
| Tshuaj npe | 7-Diethylamino-4-methylcoumarin |
| Qhov tshwm sim | Dawb crystalline |
| Melting Point | 70.0-75.0 Nws |
| Cov ntsiab lus | > 99.0 |
| Cov ntsiab lus tsis haum | ＜0.5 |
| Molecular Luj | 213.3 ib |
| UV zog | 98.0-102-0 |
| Extinction tus nqi | 1000-1050 |
Khoom
Optical brightener SWN yog Coumarin Derivatives.Nws yog soluble hauv ethanol, acidic cawv, cob thiab kua roj vanish.Hauv dej, solubility ntawm SWN tsuas yog 0.006 feem pua.Nws ua haujlwm los ntawm emitting lub teeb liab thiab tam sim no ntshav tincture.
Daim ntawv thov
Nws muaj feem xyuam rau hauv cov ntaub plaub, txhob lo lo ntxhuav, acetate fiber, triacetate fiber, thiab lwm yam. Nws kuj siv tau rau hauv paj rwb, yas? (tsawg kub) thiab chromatically xovxwm xim, thiab ntxiv rau hauv resin rau whiten fiber cellulose.Kuj tseem siv tau rau xab npum.Nws tsis tuaj yeem sib xyaw nrog chloritic natrium.
Pob
Fiber nruas, thawv thawv los yog hnab yas.10kg, 20kg, 25kg ib nruas.
Cia
Yuav tsum khaws cia rau hauv qhov chaw txias, qhuav thiab qhov cua, thiab lub sijhawm cia yuav tsum tsis pub tshaj 2 xyoos
