正辛酸 Standard for GC, ≥99.5%(GC)
n-Octanoic acid
品牌:桔子
产品编号:S52975
CAS号:124-07-2
分子式:C8H16O2
分子量:144.21
正辛酸
| 中文名称 : | 正辛酸 |
|---|---|
| 英文名称 : | n-Octanoic acid |
| 中文别名 : | 未提供 |
| 英文别名 : | 未提供 |
| CAS号 : | 124-07-2 |
| 分子式 : | C8H16O2 |
| 分子量 : | 144.21 |
| SMILES Code : | 尚未取得 |
| MDL NO : | 尚未取得 |
| Pubchem ID : | 379 |
| InChIKey : | WWZKQHOCKIZLMA-UHFFFAOYSA-N |
实验性质
| 外观 / 形态 : | Octanoic acid appears as a colorless to light yellow liquid with a mild odor. Burns, but may be difficult to ignite. Corrosive to metals and tissue.;Liquid; Liquid; Other Solid;Colorless to light yellow liquid with a mild odor; Insoluble in water; [CAMEO] May solidify when used or stored below room temperature; [CHEMINFO];Liquid;colourless, oily liquid/slight, unpleasant odour |
|---|---|
| 颜色 / 形态 : | SOLIDIFIES TO LEAFY CRYSTALS WHEN COLD;Colorless;Oily liquid |
| 气味 : | FAINT, FRUITY-ACID ODOR;UNPLEASANT AND IRRITATING ODOR;Slight odor |
| 沸点 : | 463.5 °F at 760 mmHg (NTP, 1992);239 °C;240 °C;240 °C @760 [mm Hg] |
| 熔点 : | 61 to 62 °F (NTP, 1992);16.3 °C;16.5 °C |
| 闪点 : | 230 °F (NTP, 1992);270 °F;130 °C (open cup);270 °F. |
| 溶解性 : | less than 1 mg/mL at 64 °F (NTP, 1992);789 mg/L (at 30 °C);Very slightly sol in water (0.068 g/100 g at 20 °C); freely sol in alcohol, chloroform, ether, carbon disulfide, petroleum ether, glacial acetic acid;Miscible in ethanol, chloroform, acetonitrile;In water 789 mg/L at 30 °C;0.789 mg/mL;slightly soluble in water; soluble in most organic solvents;(in ethanol) |
| 密度 : | 0.91 (USCG, 1999) - Less dense than water; will float;0.910 at 20 °C/4 °C;0.91;0.91 @ 20°C |
| 蒸气压 : | 1 mmHg at 198.1 °F ; 5 mmHg at 237.4 °F; 760 mmHg at 459.5 °F (NTP, 1992);0.00371 [mmHg];VP: 1 MM HG AT 78.0 °C;3.71X10-3 mm Hg at 25 °C |
| LogP : | 3.05;log Kow = 3.05 |
| 热分解说明 : | When heated to decomposition it emits acrid smoke and irritating fumes. |
| 黏度 : | 5.74 mPa.sec |
| 折射率 : | Index of refraction: 1.4285 at 20 °C/D;1.423-1.429 |
| 解离常数 pKa : | 4.89 (at 25 °C);pKa = 4.895 at 25 °C |
资料来源:正辛酸产品资料页;来源页标注 PubChem CID 379,资料日期 。
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