Peb yog cov chaw tsim khoom ntawm 4-Dimethylaminopyridine CAS 1122-58-3 hauv Suav teb.4-Dimethylaminopyridine CAS 1122-58-3 muaj nyob rau hauv Tshuag thiab tuaj yeem xa tuaj sai.COA, MSDS thiab TDS ntawm 4-Dimethylaminopyridine CAS 1122-58 -3.
Ntseeg Tshuaj yog ib tug ua Tuam Tshoj 4-Dimethylaminopyridine CAS 1122-58-3 chaw tsim tshuaj paus, tsum thiab exporter. Ua raws li kev ua raws li cov khoom lag luam zoo, kom peb cov 4-Dimethylaminopyridine CAS 1122-58-3 tau txaus siab los ntawm ntau tus neeg siv khoom. Shandong Ntseeg
Peb zoo ntawm qhov zoo ntawm cov khoom siv tshuaj lom neeg hauv thaj chaw. Peb cov khoom raug xa tawm mus rau Tebchaws Europe, Tebchaws Meskas, Nyiv, Kaus Lim Qab Teb, Sab Hnub Tuaj Asia thiab lwm lub tebchaws thiab cheeb tsam. Nrog rau kev tshawb fawb thiab thev naus laus zis raws li kev qhia, kev ncaj ncees raws li lub hauv paus, zoo li lub neej, thiab tso siab rau lub tswv yim kev lag luam ntawm kev tsim kho tshiab thiab kev loj hlob, peb cia siab tias yuav tsim kev sib pauv thiab kev koom tes nrog cov neeg siv khoom hauv tsev thiab txawv teb chaws los tsim kev vam meej!
Khoom npe |
4-Dimethylaminopyridine |
||
Formula |
C7H10N2 |
Molecular Luj |
122.17 |
CAS Nr. |
1122-58-3 |
Ntau |
500 KG |
Cov khoom |
Specification |
Cov txiaj ntsig |
Qhov tshwm sim |
Ua raws |
|
Assay |
â € 99% |
99.63% |
Poob rau ziab |
yog 0.8% |
0.28% |
TEEB MEEM |
Qhov tshwm sim ua raws li tus qauv |
Melting point: 112 ° C
Kub taw tes: 162 ° C
Ceev: 0.906g / mlat25 ° C
Vapor siab: 0.169hpaat20 ° C
Refractive index: n20/d1.431
Flash point: 110 ° C
Cia txias: cia txias 30 ° C
Solubility: methanol: 50mg / ml, ntshiab
Acidity coefficient: (PKA) PKA (20 °): 9.7
PH tus nqi: 11 (60g / l, H2O, 20 âº
Odor: (odor) yam ntxwv tsw
PH tus nqi ntau ntawm cov kua qaub-piv qhov taw qhia discoloration: 9.7 (10% aqsoln)
4-dimethylaminopyridine yog ib qho tshiab thiab muaj txiaj ntsig catalyst dav siv hauv tshuaj synthesis. Nws muaj peev xwm catalytic siab hauv acylation, alkylation, etherification thiab lwm yam kev cuam tshuam hauv cov organic synthesis, tshuaj synthesis, tshuaj tua kab, dyes, spices thiab lwm yam synthesis, thiab muaj txiaj ntsig zoo rau kev txhim kho cov qoob loo.