油酸 ≥98%(GC)
cis-9-Octadecenoic acid
品牌：桔子
产品编号：S31608
CAS号：112-80-1
分子式：C18H34O2
分子量：282.465
油酸
| 中文名称 : | 油酸 |
|---|---|
| 英文名称 : | cis-9-Octadecenoic acid |
| 中文别名 : | 未提供 |
| 英文别名 : | 未提供 |
| CAS号 : | 112-80-1 |
| 分子式 : | C18H34O2 |
| 分子量 : | 282.465 |
| SMILES Code : | 尚未取得 |
| MDL NO : | 尚未取得 |
| Pubchem ID : | 445639 |
| InChIKey : | ZQPPMHVWECSIRJ-KTKRTIGZSA-N |
实验性质
| 外观 / 形态 : | Oleic acid is a colorless to pale yellow liquid with a mild odor. Floats on water. (USCG, 1999)；Other Solid; CBI; Liquid; Wet Solid; Liquid; Liquid; Other Solid；Liquid with odor of lard; Darkens with air exposure; Purified grades: White liquid; Commercial grades: Yellow to red liquid; [Hawley] Colorless or light yellow liquid; mp = 4 deg C; [MSDSonline]；Liquid；COLOURLESS LIQUID. TURNS YELLOW-TO-BROWN ON EXPOSURE TO AIR.；colourless to pale yellow, oily liquid with a characteristic lard-like odour |
|---|---|
| 颜色 / 形态 : | Colorless or nearly colorless liq (above 5-7 °C)；YELLOWISH, OILY LIQUID；WATER-WHITE LIQUID |
| 气味 : | PECULIAR LARD-LIKE ODOR |
| 沸点 : | 547 °F at 100 mmHg (NTP, 1992)；360 °C；286 °C at 100 mm Hg；Boiling Point - Decomposes at 360 °C and 1 atm；194-195 °C (1.2 mm Hg) |
| 熔点 : | 61.3 °F (NTP, 1992)；13.4 °C；16.3 °C |
| 闪点 : | 372 °F (NTP, 1992)；189 °C；390-425 °F (open cup)；372 °F (189 °C) (closed cup)；189 °C c.c. |
| 溶解性 : | Insoluble (NTP, 1992)；Practically insol in water; sol in chloroform; ether; fixed & volatile oils; alcohol; benzene；Miscible with ethanol, ether, acetone, benzene, chloroform, carbon tetrachloride；Miscible with methanol；Solubility in water: none；insoluble in water; miscible in alcohol, ether, fixed oils；(in ethanol) |
| 密度 : | 0.89 at 77 °F (USCG, 1999) - Less dense than water; will float；0.895 at 25 °C/25 °C；Yellowish, oily liquid; density 0.87; bp 205-206 °C (some decomposition). Insoluble in water; miscible with alcohol, ether /Ethyl ester/；Relative density (water = 1): 0.89；0.892-0.898；~0.895 @25 °C |
| 蒸气压 : | 0.00000055 [mmHg]；5.46X10-7 mm Hg at 25 °C；1 [mm Hg] @176.5 °C |
| LogP : | log Kow = 7.64；7.64 |
| 自燃温度 : | 685 °F (USCG, 1999)；685 °F (363 °C)；363 °C |
| 热分解说明 : | When heated to decomposition it emits acrid smoke and irritating fumes. |
| 黏度 : | 25.6 cP at 30 °C |
| 折射率 : | Index of refraction: 1.463 at 18 °C/D; 1.4585 at 26 °C/D；1.46 |
| 解离常数 pKa : | pKa = 5.02 in aqueous solution at 25 °C |
资料来源：油酸产品资料页；来源页标注 PubChem CID 445639，资料日期 。
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