正癸酸 GC≥98%
Decanoic acid
品牌：桔子
产品编号：B24403
CAS号：334-48-5
分子式：C10H20O2
分子量：172.26
MDL：MFCD00004441
| 产品名称 : | 正癸酸 |
|---|---|
| 英文名称 : | Decanoic acid |
| 参考名称 : | 十碳羧酸 |
| 参考英文名称 : | Decanoic acid |
| CAS号 : | 334-48-5 |
| 分子式 : | C10H20O2 |
| 分子量 : | 172.26 |
| SMILES : | CCCCCCCCCC(O)=O |
| MDL NO : | MFCD00004441 |
| PubChem CID : | 2969 |
| InChIKey : | GHVNFZFCNZKVNT-UHFFFAOYSA-N |
| 储存条件 : | RT |
| 参考别名 : | 癸酸; Capric acid; DA; Econosan Acid Sanitizer. |
实验性质
| 外观 / 形态 : | Decanoic acid is a white crystalline solid with a rancid odor. Melting point 31.5 °C. Soluble in most organic solvents and in dilute nitric acid; non-toxic. Used to make esters for perfumes and fruit flavors and as an intermediate for food-grade additives.；Liquid; Liquid; Other Solid; Other Solid；White solid with an unpleasant odor; Insoluble in water; mp = 31.5 deg C; [Hawley] Off-white wax or crystalline solid with a rancid odor; Insoluble in water; [MSDSonline]；white crystals/unpleasant, rancid odour |
|---|---|
| 颜色 / 形态 : | Crystalline solid；White crystals；Needles；White crystals or needles；Pale yellow solid |
| 熔点 : | 31.5 °C；88.7 °F (NTP, 1992) |
| 沸点 : | 268 °C；268.7 °C；514 to 518 °F at 760 mmHg (NTP, 1992) |
| 密度 : | 0.890 at 40 °C/4 °C；Precipitates unchanged from dil nitric acid (density 1.14) by addition of water；Density/Specfific gravity: 0.88 kg/l at 4 °C；0.893 (USCG, 1999) - Less dense than water; will float |
| 闪点 : | 235 °F (NTP, 1992) |
| 溶解性 : | Practically insol in water (0.015 g/100 g at 20 °C); sol in ethanol; ether; chloroform; benzene; carbon disulfide; dilute nitric acid；Very soluble in acetone, benzene, ethyl ether, ethanol；Soluble in most organic solvents and dilute nitric acid；In water solubility, 61.8 mg/L at 25 °C |
| 蒸气压 : | 0.000366 [mmHg]；1 mmHg at 257 °F ; 5 mmHg at 287.6 °F; 760 mmHg at 515.1 °F (NTP, 1992)；3.66X10-4 mm Hg at 25 °C |
| 解离常数 pKa : | pKa = 4.90 |
| LogP : | log Kow = 4.09 |
| 黏度 : | 4.30 mPa.sec (= cP) at 50 °C |
| 热分解说明 : | When heated to decomposition it emits acrid smoke and irritating fumes. |
| 气味 : | Rancid odor；Unpleasant odor |
计算性质
| LogP : | 4.1 |
|---|---|
| 极性表面积 (TPSA) : | 37.3 Ų |
| 氢键供体数 : | 1 |
| 氢键受体数 : | 2 |
| 可旋转键数 : | 8 |
| 精确质量 : | 172.146329876 Da |
| 重原子数 : | 12 |
| 分子复杂度 : | 110 |
资料来源：正癸酸产品资料页；来源页标注 PubChem CID 2969，资料日期 2026-10-11。
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