Tetrabutylurea/cas 4559-86-8/TBU/NNNN TETRABUTYLUREA

Lus piav qhia luv luv:

Tetrabutylurea (TBU) feem ntau yog cov kua tsis muaj xim rau daj ntseg daj. Nws muaj qhov tsis sib xws thiab paub txog nws cov yam ntxwv tsw, uas tuaj yeem piav qhia tau me ntsis lossis qab zib me ntsis. TBU yog soluble hauv cov kuab tshuaj organic thiab muaj cov volatility tsawg.

Tetrabutylurea cas 4559-86-8 tuaj yeem siv los npaj cov yas yas thiab cov stabilizers rau tshuaj tua kab, tshuaj, dyes, thiab yas.


Product Detail

Khoom cim npe

Kev piav qhia

Khoom npe: Tetrabutylurea
Synonyms: TETRA-N-BUTYLUREA;
TETRABUTYL UREA;
N, N, N', N'-TETRABUTYLUREA;
N, N, N', N'-TETRA-N-BUTYLUREA;
1,1,3,3-tetrabutyl-ure;
Urea, N, N, N', N'-tetrabutyl-;
tetrabutyl-ure;
TBU
 
CAS: 4559-86-8 Nr
MF: C17H36N2O
PIB: 284.48
PIB: 224-929-8
Melting point: -60 ° C
Kub taw tes: 163 ° C / 12mmHg
Qhov ceev: 0.88
Vapor siab: 0.019Pa ntawm 20 ℃
Refractive Index: 1.4520-1.4560
Kub: 93 ° C

Specification

Yam khoom

Index

Qhov tshwm sim

Pob tshab kua

Purity

99.0% min

Sulfur

1 ppm Max

Cov ntsiab lus dej

0.1% max

Cl

5 ppm max

Dibutylamine

0.1% max

Xim, APHA:

30 max

Boiling ntau yam:

310-315 ° C

Qhov ceev @ 20 ° C, g / cm3

0.877 ib

Melting ntau yam:

<-50 ° C

Flash point:

140 ° C

Pob

25 kg / nruas lossis 160 kg / nruas lossis ISO TANK lossis IBC thiab lwm yam.

Daim ntawv thov

Tetrabutylurea (TBU)yog ib tug compound feem ntau siv los ua ib qho hnyav thiab reagent nyob rau hauv ntau yam kev siv tshuaj. Xav paub ntau ntxiv, thov mus saib hauv qab no:
 
1. Cov kuab tshuaj nyob rau hauv cov organic synthesis:1,1,3,3-Tetrabutylurea feem ntau yog siv los ua cov kuab tshuaj rau cov tshuaj tiv thaiv kab mob, tshwj xeeb tshaj yog nyob rau hauv synthesis ntawm ntau yam organic tebchaw. Nws muaj peev xwm ua kom yaj ntau yam ntawm cov polar thiab cov khoom tsis yog polar ua rau nws muaj txiaj ntsig zoo hauv chav kuaj.
 
2. Kev rho tawm thiab sib cais:TETRA-N-BUTYLUREA tuaj yeem siv rau hauv cov txheej txheem ua kua-kua kom cais cov tebchaw raws li lawv cov solubility. Nws yog tshwj xeeb tshaj yog zoo nyob rau hauv extracting tej yam hlau ions thiab organic tebchaw los ntawm mixs.
 
3. Reagents nyob rau hauv tshuaj loog:N, N, N ', N'-Tetra-n-butylurea tuaj yeem siv los ua cov tshuaj reagent hauv ntau cov tshuaj tiv thaiv, suav nrog cov tshuaj tiv thaiv nucleophilic hloov pauv thiab lwm yam kev hloov pauv hauv cov organic.
 
4. Catalyst cab kuj:Hauv qee cov txheej txheem catalytic, TBU tuaj yeem siv los ua cov khoom thauj khoom nruab nrab los txhim kho nws cov solubility thiab reactivity hauv cov tshuaj tiv thaiv sib tov.
 
5. Cov ntawv thov tshawb fawb:N, N, N ', N'-TETRA-N-BUTYLUREA yog siv rau hauv kev tshawb fawb ib puag ncig, tshwj xeeb tshaj yog kev tshawb fawb txog kev daws teeb meem, ionic kua thiab lwm yam kev siv lub cev thiab tshuaj.
 
6. Polymer Chemistry:N, N, N ', N'-tetrabutyl-; tetrabutyl-ure kuj tuaj yeem siv rau hauv cov tshuaj polymer thiab tuaj yeem siv los ua cov kuab tshuaj lossis cov tshuaj ntxiv hauv cov khoom siv polymer.

Yuav khaws Tetrabutylurea li cas?

Tetrabutylurea (TBU) yuav tsum tau muab khaws cia kom zoo kom nws ruaj khov thiab tiv thaiv txhua yam kev phom sij. Nov yog qee cov lus qhia rau khaws cia tetrabutylurea:
 
1. Ntim:Khaws tetrabutyl urea nyob rau hauv lub thawv kaw kom tsis txhob muaj kab mob thiab evaporation. Lub thawv yuav tsum tau ua los ntawm cov ntaub ntawv uas sib xws nrog cov kuab tshuaj organic, xws li iav lossis qee yam yas.
 
2. Kub:Khaws TBU rau hauv qhov chaw txias, qhuav kom deb ntawm tshav ntuj ncaj qha thiab tshav kub. Qhov zoo tshaj plaws, nws yuav tsum tau muab cia rau hauv chav tsev kub, tab sis cov kev cia tshwj xeeb yuav nyob ntawm qhov chaw tsim khoom cov lus pom zoo.
 
3. Qhov cua:Xyuas kom cov chaw khaws cia muaj qhov cua zoo kom txo tau qhov tsim ntawm cov vapors uas yuav raug tso tawm.
 
4. Sib cais los ntawm cov khoom siv tsis sib xws:Khaws tetrabutyl urea kom deb ntawm cov oxidants muaj zog, cov kua qaub thiab lwm yam khoom siv tsis sib xws kom tiv thaiv kev phom sij.
 
5. Label:Kom meej meej sau cov thawv nrog tshuaj lub npe, concentration, cov ntaub ntawv txaus ntshai, thiab hnub tau txais. Qhov no pab txheeb xyuas cov khoom thiab ua kom muaj kev nyab xeeb.
 
6. Kev Tiv Thaiv Kev Nyab Xeeb:Ua raws li tag nrho cov lus qhia txog kev nyab xeeb thiab kev nyab xeeb, suav nrog cov uas muab los ntawm koj lub koom haum lossis cov cai hauv zos.
 
7. Pov tseg:Yog tias Tetrabutyl Urea yuav tsum tau muab pov tseg, thov ua raws li cov cai hauv zos hais txog kev pov tseg pov tseg.
 
Ib txwm xa mus rau Cov Ntaub Ntawv Kev Nyab Xeeb Cov Ntaub Ntawv (MSDS) rau Tetrabutyl Urea rau cov lus qhia tshwj xeeb khaws cia thiab tuav.

Kev ceeb toom thaum caij tsheb thauj mus los txog Tetrabutylurea?

Thaum thauj tetrabutyl urea, qee qhov kev ceev faj yuav tsum tau ua kom muaj kev nyab xeeb thiab ua raws li cov cai. Cov hauv qab no yog qee qhov tseem ceeb uas yuav tsum tau coj mus rau hauv tus account thaum lub sijhawm thauj mus los:
 
1. Kev Ua Raws Cai:Xyuas kom meej tias cov khoom xa tuaj ua raws li cov cai hauv zos, teb chaws thiab thoob ntiaj teb txog kev thauj mus los ntawm cov khoom siv phom sij. Tshawb xyuas seb tetrabutyl urea raug cais raws li cov khoom siv phom sij thiab ua raws li cov lus qhia tsim nyog.
 
2. Ntim:Siv cov ntim tsim nyog uas sib haum nrog tetrabutyl urea. Lub thawv yuav tsum tau leakproof thiab ua los ntawm cov ntaub ntawv uas tuaj yeem tiv taus cov tshuaj lom neeg ntawm TBU. Xyuas kom lub ntim muaj zog txaus los tiv thaiv kev puas tsuaj thaum thauj.
 
3. Label:Kom meej meej sau lub ntim nrog cov tshuaj npe, cim kev phom sij, thiab cov ntaub ntawv kev nyab xeeb uas cuam tshuam. Qhov no suav nrog cov lus qhia tuav thiab cov ntaub ntawv tiv tauj thaum muaj xwm ceev.
 
4. Kev tswj qhov kub thiab txias:Yog tias tsim nyog, thauj Tetrabutylurea nyob rau hauv qhov ntsuas kub tswj kom tsis txhob degradation lossis hloov pauv ntawm cov khoom. Tsis txhob raug qhov kub thiab txias.
 
5. Zam cov khoom siv tsis sib xws:Xyuas kom meej tias Tetrabutylurea tsis raug xa mus ua ke nrog cov khoom siv tsis sib xws xws li cov oxidants muaj zog lossis cov kua qaub kom tiv thaiv kev cuam tshuam.
 
6. Cov Khoom Siv Tiv Thaiv Tus Kheej (PPE):Cov neeg ua haujlwm koom nrog hauv kev thauj mus los yuav tsum hnav PPE tsim nyog, xws li hnab looj tes, tsom iav, thiab khaub ncaws tiv thaiv kom txo tau qhov tshwm sim thaum muaj dej ntws los yog xau.
 
7. Cov txheej txheem xwm txheej ceev:Tsim cov txheej txheem xwm txheej ceev los daws cov dej nchuav lossis kev sib tsoo thaum lub sijhawm thauj mus los. Qhov no suav nrog kev npaj cov khoom nchuav thiab cov khoom siv pab thawj zaug.

Kev them nyiaj

* Peb tuaj yeem muab ntau yam kev xaiv them nyiaj rau peb cov neeg siv khoom.
* Thaum tus nqi qis, cov neeg siv khoom feem ntau them nrog PayPal, Western Union, Alibaba, thiab lwm yam kev pabcuam zoo sib xws.
* Thaum cov lej tseem ceeb, cov neeg siv khoom feem ntau them nrog T / T, L / C thaum pom, Alibaba, thiab lwm yam.
* Tsis tas li ntawd, ntau tus neeg siv khoom yuav siv Alipay lossis WeChat Them kom them nyiaj.

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