N,N{0}}Dimethylacetamide (DMAc, DMA)
CAS Nr .: 127-19-5
Molecular Formula: C₄H₉NO
Molar hnyav: 87.12 g / mol
Cov tsos mob: Cov xim tsis muaj xim rau cov kua daj me ntsis nrog cov amine faint - zoo li tsw
N,N-Dimethylacetamide (DMAc) yog siab-boiling, polar aprotic hnyav paub txog nws cov versatility hauv dissolving ntau yam organic thiab inorganic tebchaw. Nws yog miscible nrog dej thiab feem ntau cov kuab tshuaj organic, txawm hais tias nws muaj kev txwv tsis pub solubility hauv aliphatic hydrocarbons.
Peb yog cov kws tshaj lij Dimethylacetamide (DMAC) cov chaw tsim khoom thiab cov chaw muag khoom, muab cov khoom lag luam ruaj khov thiab cov khoom xa tawm ntau.
Boiling Point, Flash Point thiab ceev
| Khoom | Tus nqi | Sau ntawv |
|---|---|---|
| Boiling Point | 165-166 degree | Ntawm 101.3 kPa (1 atm) |
| Flash Point | 63-66 degree | Kaw khob (Pensky-Martens) |
| Qhov ntom | 0.937-0.943 g / cm³ | Ntawm 20-25 degree |
| Qhov tshwm sim | Cov kua dej tsis muaj xim | me ntsis amine-zoo li tsw |
| Dej Solubility | Ua kom miscible | Kuj miscible nrog feem ntau cov kuab tshuaj organic |
Kev nyab xeeb
Cov Lus Qhia Txog Hazard:
H312: Ua phem rau ntawm daim tawv nqaij.
H319: Ua rau mob qhov muag loj.
H332: Ua phem yog tias nqus tau.
H360: Tej zaum yuav ua rau muaj kev xeeb tub lossis tus menyuam hauv plab.
Cov Lus Qhia Ua Ntej:
P201: Tau txais cov lus qhia tshwj xeeb ua ntej siv.
P202: Tsis txhob kov kom txog thaum tag nrho cov kev tiv thaiv kev nyab xeeb tau nyeem thiab nkag siab.
P280: Hnav hnab looj tes tiv thaiv / tiv thaiv khaub ncaws / tiv thaiv qhov muag / tiv thaiv ntsej muag.
P302+P352: YOG HAIV NEEG: Ntxuav nrog xab npum thiab dej ntau.
P304+P340: YOG INHALED: Tshem tus neeg mus rau huab cua ntshiab thiab ua pa kom xis nyob.
P305+P351+P338: YOG HAIS TIAS NTAWM EYES: Yaug ceev faj nrog dej rau ob peb feeb. Tshem cov looj ntsej muag yog tias tam sim no thiab yooj yim ua. Txuas ntxiv yaug.
P308+P313: Yog tias kis tau los yog muaj kev txhawj xeeb: Tau txais cov lus qhia kho mob / kev saib xyuas.
Tiv tauj peb kom tau txais qhov tseeb Dimethylacetamide DMAC bulk nqe thiab hais.
Vim li cas thiaj xaiv gneebio?
Cov neeg muas zaub los ua ntej. Peb muab siab - cov khoom zoo ntawm tus nqi tsim nyog thiab xyuas kom meej cov khoom xa tuaj sai.
Peb tuaj yeem xa cov khoom ncaj qha mus rau koj qhov chaw nyob xa khoom, uas muaj kev nyab xeeb thiab ceev ceev. Peb muaj cov khoom npaj rau hauv Tshuag.
Peb teb sai thiab meej rau cov neeg siv khoom cov lus nug. Peb muab kev sov siab tom qab - kev muag khoom thiab yuav pab koj daws txhua yam teeb meem uas koj ntsib.
Peb xa tshwj xeeb zoo thiab kev pabcuam ntawm tus nqi sib tw.
tsim nyog DMAC cov neeg xa khoom
Nyem qhov no xa ib qho kev nug
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Peb lub tuam txhab
Gneebioyog cov kws tshaj lij cov khoom siv raw khoom nyob hauv Henan Xeev, Suav. Peb tau dhau daim ntawv pov thawj kev ua haujlwm zoo thiab muaj tus kheej - tswj cov cai ntshuam thiab xa tawm. Peb cov khoom yog nrov nrog cov neeg siv khoom. Raws li tus neeg xa khoom thoob ntiaj teb, peb xa cov ntaub ntawv pov thawj tshuaj raw khoom uas ua raws li REACH, RoHS, ISO thiab lwm yam qauv thoob ntiaj teb. Peb lub peev xwm ntau lawm txhua hli ua kom zoo ib yam thiab muaj kev ntseeg siab rau kev txiav txim ntau.
