CAS 18600-59-4|CYASORB UV-3638
Cov roj formula: C22H12N2O4
Molecular Luj: 368.34
EINECS: 418-280-1
Purity: 97% Min.
Pob: 100 g / 1 kg / 25 kg
Kev xa khoom thoob ntiaj teb
- Kev xa khoom thoob ntiaj teb
- Quality Assurance
- 24/7 Kev Pabcuam Cov Neeg Siv Khoom
Khoom Taw qhia
Taw qhia
Lub teeb Stabilizer 3638 yog ib tiam tshiab ntawm ib puag ncig tus phooj ywg thiab siv tau UV absorbers. Nws muaj txiaj ntsig zoo ntawm UVB thiab UVC. Siab molecular hnyav, tsawg volatility, tsis muaj xim stain.
Nws yog qhov tshwj xeeb tshaj yog tsim rau kev lag luam kho qhov muag nrog cov kev xav tau siab ntawm lub teeb xa hluav taws xob thiab xim, xws li PET, PC optical khoom lo ntsiab muag, lub teeb diffusing daim hlau rau backlight kua siv lead ua khoom siv, thiab lwm yam.
Specification ntawm CAS 18600-59-4|CYASORB UV-3638
Yam khoom | SPECIFICATION |
Melting point | 315-317 degree |
cia temp. | 2-8 degree |
ceev | 1.41 g / cm3 |
Boiling point | 5 22,8d |
pka ua | 1.98 |
EPA Tshuaj Registry System | 4H-3,1-Benzoxazin-4-ib, 2,2'-(1,4-phenylene)bis- (18600-59-4) |
CAS DataBase Reference | 18600-59-4(CAS DataBase Reference) |
Synthesis ntawmCAS 18600-59-4|CYASORB UV-3638
Cov xwm txheej
Qib # 1: anthranilic acid; terephthaloyl chloride Hauv N, N-dimethyl acetamide ntawm 0 - 5 degree ; rau 1h;. Txias nrog dej khov-methanol;
Theem #2: Nrog acetic anhydride Hauv N, N-dimethyl acetamide; toluene rau 1.5 h; Kev faib khoom / kev xaiv; Cua sov / reflux;
Cim npe nrov: cas 18600-59-4|cyasorb uv-3638, nqe, hais, luv nqi, hauv Tshuag, muag
![CAS 800401-54-1 6-Chloro-1H-pyrrolo[3,2-c]pyridine-2-carboxylic Acid](/uploads/202235855/small/cas-800401-54-1-6-chloro-1h-pyrrolo-3-2-c47167483069.jpg?size=384x0)
