Lub Npe Tshuaj:1,3-Dimethylurea

Cov mis molecular:C3H8N2O

Qhov Hnyav Molecular:88.11

Qauv:

Tus lej CAS: 96-31-1

Cov Lus Qhia Tshwj Xeeb

Tsos: Dawb Khoom

Kev Ntsuas (HPLC): 95.0% feeb

Kub yaj: 102 ° C feeb N-methyluren (HPLC) 1.0% siab tshaj

Dej: 0.5% siab tshaj

Kev Ua Tau Zoo thiab Cov Nta：

Cov tshuaj intermediates, kuj siv rau hauv kev tsim cov tshuaj kho fiber. Nws yog siv rau hauv tshuaj los ua cov theophylline, caffeine thiab nificaran hydrochloride.

Cov Txheej Txheem Thov:

(1) cov roj methylamine raug xa mus rau hauv cov urea uas yaj, thiab cov roj ammonia uas tso tawm raug nqus thiab rov qab tau. Tom qab cov khoom ua kom txias, nws raug coj tawm thiab rov ua dua.

(2) cov pa roj carbon dioxide tau npaj los ntawm cov tshuaj tiv thaiv roj-khoom nrog monomethylamine.

(3) kev sib xyaw ntawm methyl isocyanate nrog methylamine.

Pob Khoom thiab Chaw Khaws Khoom

Ntim nrog lub hnab 25kg, lossis Khaws cia rau hauv lub thawv qub xwb rau qhov chaw txias thiab muaj cua nkag tau zoo. Khaws kom deb ntawm cov khoom tsis sib xws. Cov thawv uas qhib lawm yuav tsum tau ua tib zoo saib xyuas.rov kaw dua thiab khaws cia kom ncaj kom tiv thaiv kev xau. Tsis txhob khaws cia ntev.

Cov Lus Cim
Cov ntaub ntawv khoom tsuas yog rau kev siv, kev tshawb fawb thiab kev txheeb xyuas xwb. Peb yuav tsis ris lub luag haujlwm lossis kev tsis sib haum xeeb ntawm patent.
Yog tias koj muaj lus nug txog kev siv tshuab lossis kev siv, thov hu rau peb raws sijhawm.