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N,N-二甲基乙酰胺
N,N-Dimethylacetamide
产品价格查看更多规格...
| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 3160663 | 1 L | 1700 | |||
| 3160663 | 2 L | 2370 |
产品别名
127-19-5
N,N-二甲基乙酰胺
N,N-Dimethylacetamide
结构式
基本信息
| Linear Formula【线性分子式】 | CH3CON(CH3)2 |
| Molecular weight | 87.12 |
| Beilstein | 1737614 |
| EC number【EC 号】 | 204-826-4 |
| MDL number | MFCD00008686 |
| PubChem Substance ID【PubChem化学物质编号】 | 329750896 |
| NACRES | NA.21 |
| General description【一般描述】 | N,N-Dimethylacetamide (DMAc) is widely used to compose solvent mixtures for cellulose. Static and dynamic light scattering studies of cellulose dissolved in varying concentrations of DMAc/LiCl mixtures have been reported. |
| Application【应用】 | N,N-Dimethylacetamide have been used as solvent in the preparation of nanocomposite materials, comprising of cellulose and hydroxyapatite, using microwave-assisted method. It has also been used as a solvent for poly(ether imides), which can be used to coat magnesium alloys, in order to prevent corrosion. |
产品性质
| grade【等级】 | spectrophotometric grade |
| vapor density【蒸汽密度】 | 3 (vs air) |
| vapor pressure【蒸汽压】 | 2 mmHg ( 25 ℃) 4 mmHg ( 38 ℃) |
| Assay【测定】 | ≥99% |
| form【形式】 | liquid |
| autoignition temp.【自燃温度】 | 914 °F |
| expl. lim. | 1.8 %, 100 °F 11.5 %, 160 °F |
| technique(s) | UV/Vis spectroscopy: suitable |
| impurities【杂质】 | <0.050% water |
| evapn. residue【蒸发残留物】 | <0.001% |
| refractive index【折射率】 | n |
| pH【pH值(酸碱度)】 | 4 (20 ℃, 200 g/L) |
| bp | 164.5-166 ℃ (lit.) |
| mp | −20 ℃ (lit.) |
| density | 0.937 g/mL at 25 ℃ (lit.) |
| λ | H2O reference |
| UV absorption【紫外吸收】 | λ: 270 nm Amax: 1.00 λ: 280 nm Amax: 0.30 λ: 290 nm Amax: 0.15 λ: 310 nm Amax: 0.05 λ: 320 nm Amax: 0.03 λ: 360-400 nm Amax: 0.01 |
| SMILES string | CN(C)C(C)=O |
| InChI | 1S/C4H9NO/c1-4(6)5(2)3/h1-3H3 |
| InChI key | FXHOOIRPVKKKFG-UHFFFAOYSA-N |
| packaging【包装】 | 1, 2 L in glass bottle |
安全信息
| Pictograms【象形图】 | GHS07,GHS08 |
| Signal word【警示用语：】 | Danger |
| Hazard Statements | H312 + H332 - H319 - H360D |
| Precautionary Statements | P202 - P280 - P302 + P352 + P312 - P304 + P340 + P312 - P305 + P351 + P338 - P308 + P313 |
| Hazard Classifications【危险分类】 | Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Repr. 1B |
| Storage Class Code【储存分类代码】 | 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects |
| WGK | WGK 2 |
| Flash Point(F)【闪点(F)】 | 147.2 °F - closed cup |
| Flash Point(C)【闪点(C)】 | 64 ℃ - closed cup |
