N,N-二甲基乙酰胺（DMAC） 99%
N-N-Dimethylacetamide
品牌：桔子
产品编号：S27119
CAS号：127-19-5
分子式：C4H9NO
分子量：87.12
N,N-二甲基乙酰胺（DMAC）
| 中文名称 : | N,N-二甲基乙酰胺（DMAC） |
|---|---|
| 英文名称 : | N-N-Dimethylacetamide |
| 中文别名 : | 未提供 |
| 英文别名 : | 未提供 |
| CAS号 : | 127-19-5 |
| 分子式 : | C4H9NO |
| 分子量 : | 87.12 |
| SMILES Code : | 尚未取得 |
| MDL NO : | 尚未取得 |
| Pubchem ID : | 31374 |
| InChIKey : | FXHOOIRPVKKKFG-UHFFFAOYSA-N |
实验性质
| 外观 / 形态 : | Dimethylacetamide appears as a clear colorless liquid with a faint odor similar to ammonia. About the same density as water. Flash point 145 °F. Vapors heavier than air. May by toxic by skin absorption. May irritate eyes and skin.；N,n-dimethyl acetamide solution (40% or less) is a colorless liquid with a slight ammonia-like odor. (USCG, 1999)；Wet Solid; CBI; Liquid；Colorless liquid with a weak, ammonia- or fish-like odor; [NIOSH]；OILY COLOURLESS LIQUID WITH PUNGENT ODOUR.；Colorless liquid with a weak, ammonia- or fish-like odor. |
|---|---|
| 颜色 / 形态 : | Liquid；OILY；Colorless liquid |
| 气味 : | AMINE；Weak, ammonia- or fish-like odor |
| 沸点 : | 329 to 331 °F at 760 mmHg (NTP, 1992)；331 °F at 760 mmHg (USCG, 1999)；163-165 °C；165 °C；329 °F；165 °C @760 [mm Hg] |
| 熔点 : | -4 °F (NTP, 1992)；-4 °F (USCG, 1999)；-18.59 °C；-20 °C；-4 °F |
| 闪点 : | 151 °F (NTP, 1992)；145 °F (USCG, 1999)；70 °C；70 °C (OPEN CUP)；63 °C c.c.；158 °F (open cup)；(oc) 158 °F |
| 溶解性 : | greater than or equal to 100 mg/mL at 72 °F (NTP, 1992)；SOL IN BENZENE；Soluble in alcohol, acetone, ether；Miscible with most org solvents；MISCIBLE WITH AROMATIC CMPD, ESTERS, KETONES, ETHERS；Miscible in water.；Solubility in water: miscible；Miscible |
| 密度 : | 0.943 at 68 °F (USCG, 1999) - Less dense than water; will float；0.937 (USCG, 1999) - Less dense than water; will float；0.9366 @ 25 °C/4 °C；Relative density (water = 1): 0.94；0.94；0.943 @ 20°C |
| 蒸气压 : | 9 mmHg at 140 °F (NTP, 1992)；2.0 [mmHg]；2 mm Hg @ 25 °C；Vapor pressure, kPa at 20 °C: 0.33；2 mmHg；1.3 [mm Hg] @25 °C |
| LogP : | log Kow= -0.77；-0.77；-0.54 |
| 自燃温度 : | 914 °F (USCG, 1999)；490 °C |
| 热分解说明 : | ON DECOMPOSITION CAN EMIT FUMES HIGHLY IRRITATING TO EYES, MUCOUS MEMBRANES.；When heated to decomposition it emits toxic fumes of /nitrogen oxides/. |
| 黏度 : | 0.92 cP @ 25 °C |
| 折射率 : | Index of refraction: 1.4230 @ 20 °C/D; 1.4358 @ 25 °C/D |
| 解离常数 pKa : | pKa = -0.19 @ < 25 °C in aqueous sulfuric acid |
资料来源：N,N-二甲基乙酰胺（DMAC）产品资料页；来源页标注 PubChem CID 31374，资料日期 。
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