N, N-Dimethylacetamide_DMAC 127-19-5
Nkọwa ngwaahịa
| Aha ngwaahịa | N, N-Dimethylacetamide/DMAC |
| CAS | 127-19-5 |
| MF | C4H9NO |
| MW | 87.12 |
| Njupụta | 0.937 g/ml |
| Ebe mgbaze | -20°C |
| Ebe esi nri | 164.5-166°C |
| Njupụta | 0.937 g/mL na 25 Celsius C (ọkụ) |
| Uzuoku Njupụta | 3.89 (na ikuku) |
| Uzuoku mgbali | 40 mm Hg (19.4 Celsius C) |
| Ntụgharị ntụgharị uche | n20/D 1.439 (ọkụ) |
| ebe mgbari | 158 Celsius F |
| Ọnọdụ nchekwa | Chekwaa n'okpuru +30 Celsius. |
| Solubility | > 1000g / l soluble |
| Ọnụọgụ acidity | (pKa) - 0.41 ± 0.70 (buru amụma) |
| Ụdị | Mmiri mmiri |
| Agba | Enweghị agba ka ọ na-acha odo odo |
| Polarity ikwu | 6.3 |
| PH uru | 4 (200g/l, H2O, 20 ℃) |
| Isi | (Isi) ísì amonia na-agwụ ike |
| Ọnụ ụzọ isi | (Odor ọnụ) 0.76ppm |
| Mmiri solubility | miscible |
| ngwugwu | 1 L / karama, 25 L / drum, 200 L/drum |
| Ngwongwo | Enwere ike ịgwakọta ya na mmiri, mmanya, ether, ester, benzene, chloroform, na ogige aromatic. |
Ụdị okwu
Acetic acid dimethylacetamide;N, N-Dimethylacetamide.
Ọrụ
A na-ejikarị DMAC eme ihe dị ka ihe mgbaze maka eriri sịntetik (acrylonitrile) na polyurethane spinning na synthetic polyamide resins, a na-ejikwa ya dị ka ihe mgbaze na-emepụta ihe maka ikewapụ styrene na akụkụ C8, a na-ejikwa ya na fim polymer, mkpuchi na ọgwụ, wdg. akụkụ.Ka ọ dị ugbu a, a na-ejikarị ya eme ihe na ọgwụ na pesticide iji mepụta ọgwụ nje na pesticides.A pụkwara iji ya mee ihe dị ka ihe na-eme ka mmeghachi omume na-emeghachi omume, ihe mgbaze electrolytic, ihe nchacha agba, na ihe dị iche iche nke ihe mgbaze kristal dị iche iche.
Nkọwa
N,N-Dimethylacetamide, nke a makwaara dị ka acetyldimethylamine, acetyldimethylamine, ma ọ bụ DMAC maka nkenke, bụ ihe mgbaze aprotic nke ukwuu nke nwere ntakịrị ísì amonia, solubility siri ike, na ọtụtụ ihe soluble.Ọ bụ ebe a na-atụgharị ya na mmiri, ogige aromatic, esters, ketones, alcohols, ethers, benzene na chloroform, wdg, ma nwee ike ịgbalite ụmụ irighiri ihe mejupụtara ya, ya mere a na-eji ya dị ka ihe mgbaze na ihe na-akpali akpali.N'ihe gbasara ihe mgbaze, dị ka ihe mgbaze nwere isi ihe na-esi esi, ebe ọkụ dị elu, nkwụsi ike dị elu na nkwụsi ike kemịkalụ, enwere ike iji ya maka ihe mgbaze polyacrylonitrile, resin synthetic na resin eke, vinyl formate, vinyl pyridine na ndị ọzọ copolymers na Aromatic carboxylic. ihe mgbaze acid;N'ihe gbasara ihe na-akpata, enwere ike iji ya mee ihe na usoro ikpo ọkụ urea iji mepụta cyanuric acid, mmeghachi omume nke halogenated alkyl na metal cyanide na-emepụta nitrile, mmeghachi omume nke sodium acetylene na halogenated alkyl na-emepụta alkyl alkyne, na mmeghachi omume nke organic. halide na cyanate iji mepụta isocyanate.N, N-dimethylacetamide nwekwara ike iji dị ka ihe mgbaze maka electrolysis mgbaze na foto coupler, agba remover, organic synthesis raw material, pesticide na pharmaceutical akụrụngwa.Ihe mgbaze distillation na-emepụta ihe maka ikewapụ styrene na akụkụ C8, wdg.
