2,5-Bis (5-tert-butyl-2-benzoxazolyl) thiophene CAS 7128-64-5

CAS:7128-64-5

Molecular Formula:C26H26N2O2S

Molecular Luj:430.56 ib

Synonyms:peb 150; DERIVATIVE NTAWM STILBENE DISULFONIC ACID; BBOT; 2,5-BIS(5-TERT-BUTYL-BENZOXAZOL-2-YL)THIOPHENE; Fluorescent whitening agent OB; Optical Brightener OB; EUTEX-OB RC EXTRA

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2,5-Bis (5-tert-butyl-2-benzoxazolyl) thiophene CAS 7128-64-5 yog dab tsi?

2,5-Bis (5-tert-butyl-2-benzoxazolyl) thiophene yog daj-ntsuab hmoov. Lub melting point yog 200 ~ 201 ℃, thiab decomposition kub yog siab tshaj 220 ℃. Insoluble hauv dej, soluble hauv alkanes, rog, ntxhia roj, waxes thiab cov organic solvents.

Specification

Khoom Lub npe	Kho qhov muag lub teeb ci OB(CI 184 / CI28 )
MF	C26H26N2O2S
EINECS No	230-426-4 ib
CAS Nr	7128-64-5, ib.
Tshuaj npe	2,5-bis (5-tert-butyl benzoxazoly-2'-) thiophene
Qhov tshwm sim	Lub teeb ntsuab hmoov
Purity	≥98%
Melting point	198-202 ° C
Volatile:	<0.5%
Pob	20kg ib lub thawv, 25/30kg ib lub nruas fiber ntau nrog PE liner, lossis raws li cov neeg siv khoom xav tau.
Daim ntawv thov: It yog dav siv hauv cov thermoplastic xws li PVC, PE, ABS, PP, PS, thiab tsis txausntsuas resin thiab xim, number thiab roj soluble txheej txheej.
Khoom: Cov khoom yog lub teeb ntsuab lossis ntsuab hmoov, tsis muaj tshuaj lom thiab tsis qab, tuaj yeem yaj hauv alkane, rog, ntxhia roj, paraffin thiab feem ntau cov organic solvents, qhov nqus spectra ntawm tus nqi loj tshaj plaws rau 375 mm (hauv ethanol).
Noj ntau npaum: PVC dawb: 0.01 ~ 0.05%; Polystyrene: 0001 ~ 0.001%; Polyolefin matrix: 0.0005 ~ 0.001%		txhawm rau txhim kho lub teeb ci: 0.0001 ~ 0.001% ABS: 0.01 ~ 0.05%; Dawb matrix: 0.005 ~ 0.05%

Daim ntawv thov

Optical Brighter OB siv rau brightening polyvinyl chloride, polystyrene, ABS resin, polyolefin thiab polyester, kuj siv rau acetate fiber, polymethyl methacrylate, ua npuas ncauj tawv dawb. Kuj tseem siv rau hauv cov kua roj vanish, xim, UV-kho tau cov txheej txheem, luam ntawv inks, rog, roj, ntim khoom. Nws tuaj yeem siv los ua cov cim pov thawj hauv cov ntawv luam ntawv. Hauv kev yees duab, nws tuaj yeem siv los txhim kho qhov dawb ntawm qhov chaw tsis yog duab ntawm daim duab, uas tuaj yeem hloov mus rau hauv fluorescence thaum daim duab yog irradiated los ntawm ultraviolet lub teeb. Tsim cov nyhuv brightening.