FLUORESCENT BRIGHTENER 28 CAS 4404-43-7

CAS:4404-43-7

Molecular Formula:C40H44N12O10S2

Molecular Luj:916.98 ib

EINECS:224-548-7 ib

Synonyms:CALCOFLUOR WHITE ST; CI 40622; Fluorescent Brightener28, Calcofluor White M2R, TinopalUNPA-GX; v 56;. Optiblanc NL; 2.5-Bis (5-tertbutyl-2-benzoxazlyl) phiophene; 5-triazin-2-yl]amino]--6-(phenylamino)-3; cifluorescentbrighteningagent28; Fluorescentbrightener (OB); TINOPAL UNPA-GX; TINOPAL LPW

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FLUORESCENT BRIGHTENER 28 CAS 4404-43-7 yog dab tsi?

FLUORE CENT BRIGTENER 28 lub teeb daj hmoov, tsis muaj ntxhiab, soluble hauv alkanes, rog, ntxhia roj, paraffin, thiab feem ntau cov kuab tshuaj organic. Qhov siab tshaj plaws nqus tus nqi ntawm spectrum yog 375mm (hauv ethanol), thiab qhov siab tshaj plaws emission wavelength yog 435nm (hauv ethanol).

Specification

Yam khoom	Specification
Boiling point	1311 ℃ [ntawm 101 325 Pa]
Qhov ntom	1.598 ± 0.06 g / cm3 (Tshaj tawm)
Melting point	290 ° C
pKa	-1.28 ± 0.50 (Kev kwv yees)
Vapor siab	0Pa ntawm 25 ℃
Cia tej yam kev mob	Khw hauv RT.