UV Absorber 328
Cov ntaub ntawv tseem ceeb:
Khoom npe: UV Absorbers 328
Lub npe tshuaj: 2-(2'-hydroxy-3',5'-di-tert-amyl phenyl) benzotriazole
Synonyms:
2-(3,5-Di-tert-amyl-2-hydroxyphenyl) benzotriazole; HRsorb-328; 2-(3′,5′-di-t-aMyl-2′-hydroxyphenyl)benzotriazole; 2-(2H-) benzotriazol-2-yl)-4,6-bis (1,1-dimethylpropyl)-Phenol; 2-(2H-Benzotriazol-2-yl)-4,6-di-t; UV-328; 2-(2H Benzotriazol-2-yl)-4,6-di-tert-amylphenol; UVABSORBERUV-328
CAS Nr .: 25973-55-1
Cov mis mos molecular: C22H29N3O
Molecular Luj: 351.49
EINECS Xov Tooj: 247-384-8
Tus qauv qauv:
Yam khoom muaj feem: tshuaj intermediates; ultraviolet absorbent; lub teeb stabilizer; organic tshuaj raw khoom;
Nqe lus piav qhia: Benzotriazole ultraviolet absorbent
Cov tsos mob: Dawb - lub teeb daj hmoov
Melting point: 80-83 ° C
Kub taw tes: 469.1 ± 55.0 ° C (Predicted)
Qhov ceev 1.08 ± 0.1 g / cm3 (Predicted)
Chav siab: 0 Pa ntawm 20 ℃
Solubility: soluble nyob rau hauv toluene, styrene, cyclohexane, methyl methacrylate, ethyl acetate, ketones, thiab lwm yam., insoluble nyob rau hauv dej.
Khoom: Lub teeb daj hmoov.
LogP: 7.3 ntawm 25 ℃
Dangerous Goods Mark Xi, Xn
Hazard qeb code 36/37/38-53-48/22
Cov lus qhia txog kev nyab xeeb - 36-61-22-26 wgkgermchemicalbookany2 53
Kev lis kev cai Code 2933.99.8290
Cov Ntaub Ntawv Muaj Xwm Ceev 25973-55-1
| Specification | Chav tsev | Txuj |
| Qhov tshwm sim | Lub teeb daj hmoov | |
| Melting point | ℃ | ≥80.00 Nws |
| Cov ntsiab lus tshauv | % | ≤0.10 |
| Volatiles | % | ≤0.50 |
| Lub teeb transmittance | ||
| 460nm ua | % | ≥97.00 Nws |
| 500nm ua | % | ≥98.00 Nws |
| Cov ntsiab lus tseem ceeb | % | ≥99.00 Nws |
UV 328 Yog 290-400nm UV absorber nrog zoo lub teeb stabilization nyhuv-los ntawm photochemistry; cov khoom muaj zog nqus ntawm ultraviolet lub teeb, tsis tshua muaj xim pib ntawm cov khoom xim, yooj yim soluble nyob rau hauv plasticizer thiab monomer system, tsis tshua muaj volatile, thiab muaj zoo compatibility nrog feem ntau cov ntaub ntawv; Hauv cov khoom siv sab nraum zoov, tuaj yeem siv nrog phenolic antioxidant thiab phosphate ester antioxidant thiab hindered amine photostabilizer.
Feem ntau siv hauv polyolefin, PVC, HDPE, styrene ib leeg thiab copolymer, ABS, acrylic polymer, unsaturated polyester, polythermoplastic polyamine, ntub curing polyurethane, polyacetal, PVB (polyvinyl butyaldehyde), epoxy thiab polyurethane ob-tivthaiv system, cawv acid thiab thermosetting acrylic Sib nqus xim system; kuj siv nyob rau hauv automotive coatings, industrial coatings, wood coatings.
Ntxiv tus nqi: 1.0-3.0%, qhov tshwj xeeb ntxiv tus nqi txiav txim siab raws li cov neeg siv khoom thov kev xeem.
Ntim hauv 20Kg / 25Kg kraft ntawv hnab lossis thawv.
Tsis txhob tshav ntuj, lub teeb siab, noo noo, thiab lub teeb stabilizers uas muaj sulfur lossis halogen ntsiab. Nws yuav tsum tau muab cia rau hauv qhov chaw kaw, qhuav thiab deb ntawm lub teeb.
