CYASORB UV-3638 CAS 18600-59-4

CAS:18600-59-4 ib

Molecular Formula:C22H12N2O4

Molecular Luj:368.34 ib

EINECS:418-280-1 : kuv

Synonyms:2,2'-(1,4-PHENYLENE)BIS-4H-3,1-BENZOXAZIN-4-ONE18600-59-4UV-3638;18600-59-4UV-36382,2'-Benzene-1,4-diylbis(4H-3,1-benzoxazin-4-one);CyasorbUV-36382,2'-(1,4-PHENYLENE)BIS-4H-3,1-BENZOXAZIN-4-ONE;-(1,4-PHENYLENE)BIS-Chemicalbook4H-3,1-BENZOXAZIN-4-IB

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CYASORB UV-3638 CAS 18600-59-4 yog dab tsi?

Lub teeb stabilizer 3638 yog qhov hnyav molecular, tsis muaj volatility thiab tsis muaj xim.Tshwj xeeb tshaj yog tsim nyog rau siab transmittance xim yuav tsum tau ntawm optical kev lag luam.Lub teeb stabilizer 3638 muaj lub siab thermal stabilizer nrog TGA (10%) siab dua 371 degrees Celsius.Lub teeb stabilizer 3638 yog lub cim tshiab ntawm ib puag ncig tus phooj ywg thiab ua haujlwm tau zoo ultraviolet absorber.Rau UVB, UVC muaj kev ua haujlwm siab.

Specification

Yam khoom	Specification
Melting point	315-317 ° C
Boiling point	522.8 ± 20.0 ° C (Kev kwv yees)
Qhov ntom	1.41 ± 0.1 g / cm3 (Kev kwv yees)
Vapor siab	0-0Pa ntawm 20-25 ℃
Dej solubility	112 μg / L ntawm 20 ℃
Acidity coefficient (pKa)	1.98 ± 0.20 (Tshaj tawm)
LogP	4.7 ntawm 22 ℃

Daim ntawv thov

UV-3638 yog qhov hnyav molecular, tsis tshua muaj volatility, tsis muaj xim muaj kuab paug.Nws yog qhov tshwj xeeb tshaj yog tsim rau kev lag luam kho qhov muag uas yuav tsum muaj cov xim xa mus, xws li PET, PC cov khoom siv kho qhov muag lo ntsiab muag, lub teeb diffuser ntawm backlit kua siv lead ua cov khoom siv, thiab lwm yam. Uv-3638 muab qhov muaj zog thiab dav UV nqus, tsis muaj xim tsis zoo.UV-3638 yog tsim rau thermoplastic polyester, nylon, thiab tiv thaiv kev lag luam nrog kev kub ua haujlwm siab thiab nruj raws li qhov yuav tsum tau ua rau UV nqus.