Tshuaj Npe:1,3-dimethylurea

Molecular Chiv:C3h8n2o

Molecular hnyav:88.11

Tus qauv:

Tus lej: 96-31-1

Kev qhia tshwj xeeb

Zog: Dawb Khoom

Assay (HPLC): 95.0% min

Melting Kub: 102 ° C Min N-Methyluren (HPLC) 1.0% Max

Dej: 0.5% Max

Kev ua tau zoo thiab nta:

Cov tshuaj nruab nrab hauv nruab nrab, kuj siv rau hauv kev tsim cov fiber ntau tus neeg saib xyuas kev kho fiber ntau.Nws siv tau siv tshuaj rau sab nrauv theophylline, caffeine hydrochloride.

Cov Qauv Siv:

(1) Cov methylamine roj tau dhau mus rau hauv Molten urea, thiab cov tshuaj ammonia tso tawm thiab rov zoo. Tom qab cov khoom siv tshuaj tiv thaiv yog txias, nws yog coj tawm thiab recrystallized.

(2) Cov pa roj carbon dioxide tau npaj los ntawm cov roj-roj catalytic nrog monomethylamine.

(3) cov tshuaj tiv thaiv ntawm methyl yog tus methylamine nrog methylamine.

Pob thiab Ntim

Ntim nrog 25kg lub hnab, lossis khaws cia hauv cov thawv qub hauv qhov chaw txias txias. Cia kom deb ntawm incompatibles. Ntim uas qhib yuav tsum tau ua tib zooRov qab los thiab khaws ncaj qha rau kev tiv thaiv kom tsis txhob to. Tsis txhob muaj lub sijhawm ntim cia.

Sau ntawv
Cov khoom lag luam tsuas yog rau kev siv, kev tshawb fawb thiab txheeb xyuas.Peb yuav tsis muaj lub luag haujlwm lossis kev ua patent.
Yog tias koj muaj lus nug dab tsi hauv kev siv txuj ci lossis siv, thov hu rau peb nyob rau lub sijhawm.