Urea

1. Tshuaj Npe:Urea

2. Molecular Chiv:Ch₄N₂O

3. Molecular hnyav:60.06

4. CAS: 57-13-6

5. Cwj pwm:Nws yog tsis muaj kob lossis dawb ntxhiab me me plaub ya plaub lossis hmoov. Nws muaj hygroscopicity. Tus txheeb ze ceev yog 1.335. Melting point yog 132.7 degree (decompose). Nws yog soluble hauv dej, ethanol thiab benzene, yuav luag Insoluble nyob rau hauv ib tug ether thiab chloroform.

6. Kev siv:Nws yog siv raws li poov xab cov zaub mov thiab cov pos hniav imprection improver. Nws kuj tseem siv tau hauv cov dej qab zib ethanol, glutin khoom, cawv thiab poov xab fermented ci ci.

7. Pob:Nws tau ntim nrog cov hnab polythene raws li txheej sab hauv, thiab cov khoom sib xyaw yas woven lub hnab ua cov txheej sab nraud. Qhov nyhav ntawm txhua lub hnab yog 25kg.

8. Cia thiab thauj:Nws yuav tsum tau muab cia rau hauv ib lub tsev rau khoom qhuav thiab ua kom huv si; khaws cia rau hauv daim tawv dej thiab noo noo thaum thauj; unloaded nrog kev saib xyuas, yog li kom tsis txhob muaj kev puas tsuaj rau lub hnab. Tsis tas li ntawd, nws yuav tsum muab khaws cia cais los ntawm cov tshuaj lom.

Cim npe nrov: Urea, Tuam Tshoj urea cov tuam ntxhab, cov chaw muag khoom, Hoobkas