Cov khoom
1,3-Dimethylurea N, N'-Dimethylurea
Chemical Property ntawm 1,3-Dimethylurea
● Tswb / Xim: dawb flake
● Vapor Siab: 0.00744mmHg ntawm 250
● Melting Point: 101-104 ° C (lit.)
● Refractive Index: 1.413
● Boiling Point: 269 Cat 760 mmHg
● PKA: 14.5710.46(Predicted)
● Flash Point: 124.3 ° C
● PSA: 41.13000
● Ceev: 0.949 g / cm3
● LogP: 0.32700
● Cia Temp.: Khaws ntawm RT.
● Solubility: H2O: 0.1 g/mL, ntshiab, d
● Dej Solubility: 765 g / L (21.5C)
● XLogP3: -0.5
● Hydrogen Bond Donor Count: 2
● Hydrogen Bond Txais Tus Nqi: 1
● Rotatable Bond suav: 0
● Exact Mass: 88.063662883
● Heavy Atom suav: 6
● Kev nyuaj: 46.8
Purity/Quality
99%, * cov ntaub ntawv los ntawm cov khoom siv raw
N, N"-Dimethylurea * cov ntaub ntawv los ntawm cov khoom siv reagent
Cov ntaub ntawv nyab xeeb
● Daim duab:
● Hazard Codes:
● Nqe Lus: 62-63-68
● Cov Lus Qhia Txog Kev Nyab Xeeb: 22-24/25
MSDS Cov ntaub ntawv
SDS cov ntaub ntawv los ntawm LookChem
Pab tau
● Chemical Classes: Nitrogen Compounds -> Urea Compounds
● Canonical SMILES: CNC(=O)NC
● Inhalation Risk: Tsis muaj qhov qhia tau hais txog tus nqi uas muaj kev phom sij ntawm cov tshuaj no hauv huab cua.
● Cov teebmeem ntawm qhov raug luv luv: Cov khoom no ua rau khaus khaus ntawm qhov muag thiab tawv nqaij.
● Nqe lus piav qhia: 1, 3-Dimethylurea yog urea derivative thiab siv los ua ib qho nruab nrab hauv cov organic synthesis.Nws yog xim tsis muaj xim crystalline hmoov nrog me ntsis toxicity.Nws kuj yog siv rau synthesis ntawm caffeine, tshuaj, textile aids, herbicides thiab lwm yam.Hauv kev lag luam kev lag luam textile 1,3-dimethylurea yog siv los ua nruab nrab rau kev tsim cov formaldehyde-dawb yooj yim-tu cov neeg ua haujlwm tiav rau textiles.Nyob rau hauv Swiss Product Register muaj 38 yam khoom uas muaj 1,3-dimethylurea, ntawm lawv 17 cov khoom npaj rau cov neeg siv khoom.Cov khoom siv xws li cov xim pleev xim thiab cov tshuaj ntxuav.Cov ntsiab lus ntawm 1,3-dimethylurea hauv cov neeg siv khoom yog nce txog 10% (Swiss Product Register, 2003).Kev siv tshuaj pleev ib ce tau raug npaj, tab sis tsis muaj cov ntaub ntawv hais txog nws qhov kev siv tiag tiag hauv cov ntawv thov.1,3-Dimethylurea yog cov organic compound nrog cov mis (CH3)2NC(O)NH2.Nws yog cov xim tsis muaj xim crystalline khoom nrog siab solubility hauv dej.1,3-Dimethylurea feem ntau yog siv los ua cov kuab tshuaj thiab catalyst hauv cov organic synthesis.Nws tuaj yeem siv rau hauv kev sib txuas ntawm ntau lub tebchaw xws li dyes, fluorescent dyes, thiab plastics.Hauv kev lag luam kws tshuaj, 1,3-dimethylurea kuj tseem siv los ua ke qee cov tshuaj intermediates.Tsis tas li ntawd, nws yog siv nyob rau hauv kev lag luam xws li coatings thiab adhesives.Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias 1,3-dimethylurea ua rau khaus ntawm daim tawv nqaij thiab qhov muag, yog li yuav tsum tau ceev faj txog kev nyab xeeb kom raug thaum tuav.
● Siv: N, N′-Dimethylurea tuaj yeem siv: Ua cov khoom pib los ua ke N, N′-dimethyl-6-amino uracil.Ua ke nrog β-cyclodextrin derivatives, los tsim cov khoom sib tov qis (LMMs), uas tuaj yeem siv los ua cov kuab tshuaj rau hydroformylation thiab Tsuji-Trost cov tshuaj tiv thaiv.To synthesize N, N′-disubstituted-4-aryl-3,4-dihydropyrimidinones ntawm Biginelli condensation nyob rau hauv hnyav-dawb tej yam kev mob.
