Khoom
1,1-dimethylutea;: 598-94-7
Txhais lus hais tias: 1,1-dimethylutea; n, n'-dimethylrea
Cov khoom siv raw
Cov Khoom Siv Raw Upstre:
❃ N, n, o-trimethyl-isourea
❃ Lexane
❃ O-methyl n, n-dimethylthiocarbamate
❃ ncnme2
Cov khoom siv hauv dej:
❃ benenzeramide
❃ Mhothylammonium carbonate
❃ Methylene-BIS (n, n-d dimethylutea)
Cov cuab yeej tshuaj lom neeg ntawm 1,1-dimethylurea
Cov tsos pom / xim: Dawb rau off-dawb crystalline hmoov
Art Vapor Siab: 9.71mmHg ntawm 25 ° C
● Melting point: 178-183 ° C (Lit.)
● Cov ntsiab lus tsis zoo: 1.452
● Bowing taw tes: 130.4 ° C ntawm 760 MMHG
● PKA: 14.73 ± 0.50 (kwv yees)
Flash taw tes: 32.7 ° C
● Psa:46.33000
Wensity: 1.023 G / cm3
● Cov ntawv tshaj tawm: 0.32700
● Chaw Nres Temp.:Nore hauv qab + 30 ° C.
● Solubility.: Cov dej ntws: Soluble5%, ntshiab, tsis muaj kob
● Dej Solubility.:Soluble
● XlogP3: -0.8
Hydrogen BRONG pub pub nyiaj Suav: 1
● Hydrogen BRRongle Txais Txais Suav: 1
Resetable Kev Muab Kev Rotatable Caud suav (0
● Muaj pes tsawg cov pawg: 88.063662883
● Cov lej hnyav: 6
Inclexity complexity: 59.8
Cov Ntaub Ntawv Safty
● POTOSSGRAM (S):
Xi
● Cov cai phom sij: xi
● Cov nqe lus: 36/37/38
Proferements Kev Nyab Xeeb Kev Nyab Xeeb: 26-36
Zoo siv
Tshuaj lom neeg:Nitrogen teb -> ura compounds
Canonical luag nyav:Cn (c) c (= o) n
Siv:1,1-dimethylutea (n, n-d dimethylutea) tau siv nyob rau hauv Dowex-50W ion pauv pauv resin-txhawb nqa-4-aryl-3,4-Dihydrropyrimidins.
Cov lus qhia ntxaws ntxaws
1,1-dimethylureaYog cov tshuaj sib txuas nrog cov mis molecular c3h8n2o. Nws tseem muaj lub npe hu ua DiaethylureCurrea lossis DMU. Nws yog hmoov dawb huv, yooj yim soluble hauv dej thiab organic kuab tshuaj.
1,1-dimethyluta muaj ntau yam kev siv hauv ntau yam lag luam. Ib qho ntawm nws lub ntsiab siv yog raws li reagent hauv cov xwm txheej organic. Nws yog ib qho siv tau siv los ua ib qho chaw ntawm dimethylamine, lub tsev tseem ceeb hauv kev tsim cov kws tshuaj, dyes thiab lwm yam tshuaj.
Hauv kev lag luam kws tshuaj, 1,1-dimethylureA yog siv los ua tus ua ntej rau kev sib xyaw thiab cov tshuaj hauv cov tshuaj thiab cov tshuaj nruab nrab.
Nws tuaj yeem siv los ua tus neeg sawv cev tiv thaiv rau cov tshuaj uas muaj kev sib haum xeeb thaum lub cev muaj kev cuam tshuam. Nws tseem raug siv los ua kev sib cav sib ceg.
Tsis tas li ntawd, 1,1-dimethylurea tseem siv nyob rau hauv cov synthesis ntawm cov tshuaj tua kab thiab fungicides. Nws ua raws li lub stabilizer thiab txhim kho kev ua haujlwm ntawm cov agnochemicals. Nws yog ib qho tseem ceeb heev los lis 1,1-dimethylutea nrog kev saib xyuas vim tias muaj kev phom sij yog noj lossis muaj qhov muag. Tsim nyog cov kev ceev faj yuav tsum tau ua thaum ua haujlwm nrog cov compound no, xws li hnav cov khoom tiv thaiv thiab ua kom muaj kev tiv thaiv kev tiv thaiv thiab ua kom muaj zog cua.
Hauv cov ntsiab lus, 1,1-dimethyltionA yog cov kev sib txuas lus ntau uas tuaj yeem thov rau hauv cov khoom siv tswv yim, chaw muag tshuaj, thiab agnaphys. Nws cov khoom ua nws pab tau raws li reagent, tiv thaiv, thiab catalyst nyob rau hauv ntau yam tshuaj lom neeg.
Daim ntawv thov
1,1-dimethylutea, tseem hu ua DMEU, muaj ntau daim ntawv thov tseem ceeb hauv ntau yam kev lag luam. Nov yog qee qhov siv tau siv:
Kws Kev Lag Luam:DMEU tau siv raws li kev sib txuas nruab nrab hauv cov hluavtaws ntawm cov tshuaj. Nws tuaj yeem ua raws li tus reactant hauv kev tsim cov tshuaj xws li antipyrine, phenobarbital, thiab theopylline, thiab theophlergline, thiab theopylline, thiab theopylline. DMEU tus qauv tshwj xeeb tso cai rau nws ua lub tsev thaiv kev tsim kom muaj kev tsim ntawm cov txheej txheem organic.
Organic synthesis:DMEU tau ua haujlwm dav hauv cov organic synthesis raws li reagent lossis kuab tshuaj. Nws tuaj yeem koom nrog ntau yam kev sib txuam xws li hws, oxidation, thiab alkylation. DMEU lub reactivity thiab ruaj khov ua nws haum rau ntau yam kev tawm tsam los tsim organic sib txuas.
DYESTUFF kev lag luam:DMEU tau siv los ua cov kev ua kom rov tshwm sim rau kev tsim cov khoom thiab cov pigments. Nws cov qauv tshuaj tso cai rau nws koom nrog kev tawm tsam uas ua rau muaj kev tsim cov xim muaj kuab heev thiab cov xim ruaj khov. Ze cov lwg me me uas tsim kev siv DMEU tuaj yeem siv rau hauv textiles, luam ntawv inks, thiab lwm cov ntawv thov dyestuff.
Polymer Kev Lag Luam:DMEU muaj cov ntawv thov hauv kev tsim cov noob polymers thiab cov resins. Nws tuaj yeem raug siv los ua tus neeg sawv cev sib txuas lossis ua ib qho sib xyaw ua ke nyob rau hauv synthesis ntawm polyurethane thiab epoxy resins. Cov nyiaj no tau pom siv ua cov tsho tiv no, cov nplaum, thiab ntau lwm yam kev lag luam.
Kev Lag Luam Kev Lag Luam:DMEU tuaj yeem siv rau hauv cov qauv ntawm cov chiv qeeb-chiv. Nws cov kev tso tawm tso tawm tso cai rau kev rho tawm ntawm nitrogen, muab cov nroj tsuag nrog cov khoom noj muaj zog dhau lub sijhawm ncua.
Nws yog ib qho tseem ceeb kom nco ntsoov tias thaum ua haujlwm nrog DMEU lossis ib qho kev nyab xeeb thiab cov txheej txheem kev nyab xeeb thiab cov txheej txheem yuav tsum tau ua raws li kev nyab xeeb ntawm tib neeg thiab ib puag ncig.
