Cov khoom
1,3- Diethylurea
Synonyms: Urea, 1,3-diethyl- (6CI,7CI,8CI); 1,3-Diethylurea; N, N'-Diethylurea; NSC 429; sym-Diethylurea;
Chemical Property ntawm 1,3-Diethylurea
● Vapor Pressure: 0.0106mmHg ntawm 25 ° C
● Melting Point: 112-113 ° C (lit.)
● Refractive Index: 1.428
● Boiling Point: 263 ° C ntawm 760 mmHg
● PKA: 16.53 ± 0.46 (Predicted)
● Flash Point: 121.1 ° C
● PSA: 41.13000
● Ceev: 0.923 g / cm3
● LogP: 1.10720
● Cia Temp.: kaw hauv qhuav, Chav Kub
● Dej Solubility.: Soluble hauv dej.
● XLogP3:0.1
● Hydrogen Bond Donor Count: 2
● Hydrogen Bond Txais Tus Nqi: 1
● Rotatable Bond suav: 2
● Exact Mass: 116.094963011
● Heavy Atom suav: 8
● Kev nyuaj: 64.8
Purity/Quality
min 99% * cov ntaub ntawv los ntawm cov khoom siv raw
1,3-Diethylurea * cov ntaub ntawv los ntawm cov khoom siv reagent
Cov ntaub ntawv nyab xeeb
● Daim duab:
F,
T
● Hazard Codes: F, T
● Cov Lus Qhia: 11-23/24/25-36/37/38
● Cov Lus Qhia Txog Kev Nyab Xeeb: 22-24/25-36/37/39-15-3/7/9
MSDS Cov ntaub ntawv
Pab tau
● Chemical Classes: Nitrogen Compounds -> Urea Compounds
● Canonical SMILES: CCNC(=O)NCC
● Kev Siv: N, N'-Diethylurea yog siv rau kev sib txuas ntawm caffeine, theophylline, tshuaj pharma, textile aids
Dimethylurea, tseem hu ua N, N-dimethylurea lossis DMU, yog cov organic compound nrog cov mis (CH3) 2NCONH2.Nws yog xim dawb crystalline khoom, soluble hauv dej thiab polar organic solvents.Dimethylurea yog siv nyob rau hauv ntau yam kev lag luam daim ntaub ntawv, xws li raws li ib tug hnyav, tshuaj intermediate, thiab catalyst.Raws li cov kuab tshuaj, dimethylurea feem ntau yog siv rau hauv kev tsim ntawm ntau yam resins, coatings thiab polymers.Nws tsub kom cov solubility thiab viscosity ntawm cov ntaub ntawv no, ua rau lawv yooj yim rau txheej txheem thiab thov.Lub solvency ntawm dimethylurea kuj ua rau nws yaj ntau yam organic thiab inorganic tebchaw, ua rau nws pab tau nyob rau hauv ntau yam tshuaj.Nyob rau hauv cov nqe lus ntawm tshuaj synthesis, dimethylurea feem ntau yog siv raws li ib tug reactant los yog catalyst nyob rau hauv ntau yam organic transformations.Nws tuaj yeem koom nrog hauv kev sib txuas ntawm carbamate, isocyanate thiab carbamate, thiab lwm yam. Tsis tas li ntawd, dimethylurea tuaj yeem ua lub hauv paus ntawm formaldehyde hauv qee cov tshuaj tiv thaiv xws li Mannich cov tshuaj tiv thaiv.Dimethylurea kuj tseem siv rau hauv kev lag luam kws tshuaj.Nws tuaj yeem siv los ua cov tshuaj reagent rau kev sib txuas ntawm qee cov tshuaj molecules, nrog rau cov khoom siv tshuaj npaj.Tsis tas li ntawd, nws kuj tau kawm los ua ib qho tshuaj muaj peev xwm nws tus kheej, tshwj xeeb tshaj yog rau nws cov peev xwm los tiv thaiv kab mob thiab kab mob.Nws yog ib qho tseem ceeb heev uas yuav tau kho dimethylurea nrog kev saib xyuas vim tias nws tuaj yeem ua rau tawv nqaij, qhov muag, thiab ua pa.Kev ua pa txaus thiab cov cuab yeej tiv thaiv tus kheej yuav tsum tau siv thaum ua haujlwm nrog cov khoom siv no.Kev khaws cia yuav tsum tau muab cia rau hauv qhov chaw txias, qhuav kom deb ntawm hluav taws lossis tshav ntuj ncaj qha.Nco ntsoov tias cov ntaub ntawv nthuav tawm ntawm no yog cov ntsiab lus dav dav ntawm dimethylurea thiab nws cov ntawv thov.Tshwj xeeb siv thiab ceev faj yuav ua tau.
