Dimethylacetamide Physical and Chemical Properties
CAS 127-19-5 Dimethylacetamide, lub npe tag nrho yogN,N{0}}dimethylacetamide(tshuaj formula: CH3C(O)N(CH3)2, abbreviated as Dmac los yog DMA. Ib feem siv aprotic polar solvent.
Gneebio: Professional Dimethylacetamide (DMAC) tus neeg muag khoom thiab chaw tsim khoom.
Dimethylacetamide DMAC Lub cev muaj zog
Molecular Luj: 87.12 g / mol
Cov tsos mob: tsis muaj xim tsis muaj kua
Tsis hnov tsw: tsaus, ammonia-zoo li
Kub Point: 165.1℃(329℃F)
Melting / Freezing Point: -20 ° C (-4 ° F)
Qhov ceev: 0.94 g / mL ntawm 20 degree
Vapor Siab: 1.5-2 mmHg ntawm 20 degree
Solubility: Ua tiav miscible hauv dej, ether, benzene, thiab esters
Viscosity: 1.02 mPa·s ntawm 20 degree
Flash Point: 63-70 ° (145-158 ° F)
Chemical Properties thiab Hazards
Stability: Stable, but hygroscopic (absorbs water). Decomposes at >350 degree.
Reactivity: tuaj yeem hnov mob nrog oxidizing cov neeg ua haujlwm, muaj zog acids, thiab cov hauv paus. Tej zaum yuav tawm tsam tej yam yas thiab txheej.
Hazard Classification: Combustible kua (Qeb 4). Teeb meem yog tias nqus tau los yog kov ntawm daim tawv nqaij (Acute Tox 4).
Daim ntawv qhia DMAC
Kev txheeb xyuas qhov xwm txheej
GHS, Ntiaj teb no Harmonized System Classification raws li 29 CFR 1910
Kev faib tawm raws li Txoj Cai (EC) No 1272/2008
Flammable kua Qeb 4 - H227
Mob toxicity, dermal Qeb 4 - H312
Mob toxicity, inhalation Qeb 4 - H332
Qhov muag loj heev/qhov muag khaus Qeb 2A - H319
Kev yug menyuam toxicity Qeb 1B, H360D
Labeling raws li GHS USA & Regulation (EC) No 1272/2008
Cov Lus Qhia Txog Hazard:
H227 Combustible kua.
H312+H332: Ua phem rau ntawm daim tawv nqaij lossis yog nqus tau
H319: Ua rau mob qhov muag loj.
H360D Tej zaum yuav ua rau tus menyuam tsis tau yug los.
Cov Lus Qhia Ua Ntej:
P210: Khaws kom deb ntawm tshav kub / taws / qhib nplaim taws / qhov chaw kub - Tsis haus luam yeeb.
P240: Hauv av / daim ntawv cog lus thawv thiab cov khoom txais.
P241: Siv tawg- pov thawj hluav taws xob / qhov cua / lub teeb /…/ khoom siv.
P242: Siv cov cuab yeej uas tsis yog -tseem ceeb.
P243: Ua kom ceev faj tiv thaiv kom tsis txhob muaj qhov paug tawm.
P260: Tsis txhob ua pa plua plav / fume / gas / pos huab / vapors / tshuaj tsuag.
P264: Ntxuav cov khoom tsis huv kom huv si tom qab tuav.
P270: Tsis txhob noj, haus lossis haus luam yeeb thaum siv cov khoom no.
P280: Hnav cov hnab looj tes tiv thaiv / tiv thaiv khaub ncaws / tiv thaiv qhov muag / tiv thaiv ntsej muag.
P312: Hu rau lub chaw POISON CENTER lossis tus kws kho mob / tus kws kho mob yog tias koj tsis xis nyob.
P303+361+353: YOG NTAWM SKIN (lossis plaub hau): Tshem tawm / Tshem tawm tag nrho cov khaub ncaws tsis huv. Yaug daim tawv nqaij nrog dej / da dej.
P304+P340+P312: YOG IN HALED: Tshem tus neeg mus rau huab cua ntshiab thiab ua pa kom xis nyob. Hu rau POISON CENTER/tus kws kho mob yog tias koj tsis xis nyob.
P305+P351+P338: YOG HAUV QHOV TSEEB: 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.
P333+313: Yog daim tawv nqaij khaus lossis pob khaus tshwm sim: Tau txais cov lus qhia kho mob / saib xyuas.
P403+233+235: Khaws rau hauv qhov dej zoo- qhov cua. Khaws lub thawv kaw kom nruj. Cia txias.
P362: Tshem cov khaub ncaws tsis huv thiab ntxuav ua ntej rov siv dua.
P501: Pov tseg cov ntsiab lus / ntim raws li kev cai hauv zos / teb chaws.
Rau qhov ua tiav SDS, thov hu rau peb.
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