Cov khoom lag luam
Khoom npe: n, n '- dimethylroprorea
Cov lus txhais: DMPU; 1,3 {- dimethyl-3,4,5,6-tetrahydro-2 (1h) -pyrimidinone
CAS: 7226-23-5
Mf: c6h12n2o
MW: 128.17
Einecs: 230-625-6
Melting taw tes: -20 degree
Boilel taw tes: 146 degree
Qeeb: 1.06 G / ML ntawm 25 degree
Ntim: 1 L / Lub raj mis, 25 L / Nruas, 200 l / Nruas
Kev qhia tshwj xeeb
| Cov khoom | Cov lus qhia |
|
Kev tshwm sim |
Tsis muaj kob lossis lub teeb daj |
|
Purity (%) |
Ntau dua los yog sib npaug rau 99 |
|
Xim (APHA) |
Tsawg dua los yog sib npaug rau 60 |
| Acidity (Mgkoh / G) | Tsawg dua los yog sib npaug rau 0.5 |
|
Noo noo (%) |
Tsawg dua los yog sib npaug rau 0.1 |
Daim ntawv thov
N, n '{- dimethylpropylnea (dmpu) yog proton polar daws cov khoom siv hluav taws xob thiab khoom npaj. Hauv qab no yog nws cov ntawv thov tseem ceeb:
1.N, n '{{- dimethylpropropylnea tuaj yeem txhawb kev cov tshuaj tiv thaiv ntawm cov neeg sawv cev ua ntej nrog cov neeg sawv cev ua kom tiav.
2.N, n '{{- dimethylpropropylneure kev ua raws li cov kuab tshuaj lossis catalyst ua kom nrawm dua ntawm aldose thiab alkylating reagents.
3., n, n '{{- dimethylpropropylnea yog siv los ua cov tshuaj tiv thaiv nruab nrab los koom rau hauv kev npaj ntawm aromatic ether polymers.
4.Txoj HMOnternative HMPA: Hauv Nucleophilic Reagents thiab Alkaline Cougents thiab Alkaline Co cov kuab tshuaj, n, n - dimethylproproylnea tuaj yeem txo qhov kev pheej hmoo ntawm kev lom zem ntawm toxicity.
5.Hog npau npau npau npau taw: n, n, n, n - dimethylproproprea yog qhov sib txawv vim nws cov kev ua haujlwm vim nws cov cwj pwm qis thiab muaj kev cuam tshuam rau cov yam ntxwv.
Chaw ntim khoom
Khaws rau hauv qhov chaw txias, qhuav, tsaus, muaj qhov cua. Zam kev sib cuag nrog cov muaj zog oxidants, cov kua qaub muaj zog thiab cov hauv paus tiv thaiv kom tiv thaiv kev fab tshuaj.
Ntim
Kev Thauj Mus Los & Kev Them Nyiaj
Hais Txog Tsheb Thauj Mus Los
* Peb tuaj yeem muab ntau hom thauj raws li cov neeg siv khoom 'xav tau.
*Thaum qhov ntau me me, peb tuaj yeem xa khoom los ntawm huab cua lossis thoob ntiaj teb, ua kom muaj kev pab pawg ua haujlwm tshwj xeeb thiab ntau yam kev thoob ntiaj teb.
* Thaum qhov ntau yog loj, peb tuaj yeem xa nkoj los ntawm hiav txwv los xaiv chaw nres nkoj.
* Dhau li, peb kuj tuaj yeem muab cov kev pabcuam tshwj xeeb raws li cov neeg siv khoom siv 'kev xav tau thiab cov khoom lag luam.
*Peb tuaj yeem muab ntau txoj kev them nyiaj rau cov neeg siv khoom xaiv.
*Thaum tus nqi me me, cov neeg yuav khoom feem ntau them nyiaj los ntawm Paypal, Western Union, Alibaba, thiab lwm yam.
*Thaum tus nqi loj, cov neeg siv khoom feem ntau them nyiaj los ntawm T / T, L / C thaum pom, Alibaba, thiab lwm yam.
*Dhau li, ntau dua thiab ntau tus neeg muas zaub yuav siv cov neeg siv khoom ib ntus lossis wechat them nyiaj kom them nyiaj.
Tiv Tauj Peb
Cim npe nrov: n, n '- dimethylenerea / dmpu CASE 7226-}}}} {2226-23-5 manufacturers, cov chaw tsim khoom, Hoobkas
