Dab tsi ntawm cov kuab tshuaj yog dimethylformamide?

Dimethylformamide (DMF) yog ib tug zoo heev polar aprice selvent uas yog mist nrog dej thiab nrog feem ntau lwm cov kuab tshuaj muaj organic.

DMF yog polar (hydrophilic) Aprotic Clvent nrog lub siab npau npau. Nws pab txhawb nqa uas ua raws cov txheej txheem polar, xws li Sn2 cov tshuaj tiv thaiv.
N, n {- dimetylformamide yog polar agor farvent vim tias nws yog polar molecule thiab tsis muaj Oh lossis NH pab pawg. Cov ncov qaumteb qabteb yog=o. Thiab c {{4 4}} n burns ua molecule polar. Tsis muaj O - h lossis n {{{7} h khi, yog li cov molecule yog sho xeeb

Dab tsi yog dimethylformamide cov kuab tshuaj siv rau?

• Kev tsim cov acrylic fibers thiab polyurethanes.
• N, n {- dimetylformamide yog siv los ua cov tshuaj tiv thaiv nruab nrab hauv cov tshuaj thiab agnemical kev lag luam.
• DMF cov kuab tshuaj yog siv rau kev ua kom huv si thiab tsom xam hauv chaw soj nstuam.

Qhov twg yuav cov lej lej 68-12-2?

Raws li aDimethylformamide (dmf) hnyavTus xa khoom thiab chaw tsim khoom pov thawj cov txheej txheem tswj cov khoom lag luam, GNeebio tau muab cov ntaub ntawv hwm rau cov neeg lag luam thoob ntiaj teb.

Nyem los thov cov lus hais

Vim li cas thiaj xaiv peb?

1.Peb muaj siab - cov khoom lag luam zoo, uas yog ncaj qha rau los ntawm lub Hoobkas kom paub tseeb tias muaj khoom txaus.

2.Peb muaj kev pabcuam tshaj lij, 24 teev nyob rau hauv online los daws koj cov teeb meem.

3.With xyoo ntawm cov khoom siv kev paub, peb siv zog coj tus nqi rau txhua tus neeg siv khoom.

ntim

Kev xa mus

Nquag rau qhov muaj nuj nqis me me, peb yuav xa lawv los ntawm DHL, FedEx, Kab tshwj xeeb thiab yog li ntawm cov huab cua, hiav txwv, thiab ib co kab tshwj xeeb rau feem ntau cov teb chaws.

Txog Peb

Gneebioyog cov kws tshaj lij tshuaj lom neeg tsim khoom lag luam thiab cov neeg faib khoom thoob ntiaj teb. Peb lub tuam txhab nyob hauv Henan xeev, Suav. Peb muaj ntau tus khub chemical customories hauv Henan, npog thaj tsam ntawm 3,600 square metres, suav nrog kev sib xyaw, rov qab, thiab xa tawm.

Peb ua raws li cov qauv thoob ntiaj teb suav nrog ISO thiab GMP, kom txhua qhov kev xa khoom raws li qhov ua tau zoo thiab kev nyab xeeb thiab kev nyab xeeb.