DL-乳酸 ACS, ≥85%
DL-Lactic acid
品牌：桔子
产品编号：W21173
CAS号：50-21-5
分子式：C3H6O3
分子量：90.08
DL-乳酸
| 中文名称 : | DL-乳酸 |
|---|---|
| 英文名称 : | DL-Lactic acid |
| 中文别名 : | 未提供 |
| 英文别名 : | 未提供 |
| CAS号 : | 50-21-5 |
| 分子式 : | C3H6O3 |
| 分子量 : | 90.08 |
| SMILES Code : | 尚未取得 |
| MDL NO : | 尚未取得 |
| Pubchem ID : | 612 |
| InChIKey : | JVTAAEKCZFNVCJ-UHFFFAOYSA-N |
实验性质
| 外观 / 形态 : | Lactic acid appears as a colorless to yellow odorless syrupy liquid. Corrosive to metals and tissue. Used to make cultured dairy products, as a food preservative, and to make chemicals.；Dry Powder; Liquid; Liquid; Other Solid；Colourless or yellowish, nearly odourless, syrupy liquid to solid；Thick liquid or crystals, colorless to yellow; mp = 17 deg C; [ICSC]；VISCOUS COLOURLESS-TO-YELLOW LIQUID OR COLOURLESS-TO-YELLOW CRYSTALS.；colourless to yellow hygroscopic crystals becoming syrupy liquid; odourless |
|---|---|
| 颜色 / 形态 : | Crystals (melt at 16.8 °C)；Yellow to colorless crystals or syrupy 50% liquid；Viscous, colorless to yellow liquid or colorless to yellow crystals |
| 气味 : | Odorless；Weak unpleasant odor；Available forms have very slightly acrid odor |
| 沸点 : | 122 °C at 1.50E+01 mm Hg；122 °C at 15 mm Hg；122 °C (15 mm Hg) |
| 熔点 : | 16.8 °C；17 °C |
| 闪点 : | 113 °C (235 °F) - closed cup；110 °C c.c. |
| 溶解性 : | 1000000 mg/L；Completely soluble in water；Miscible with water；Completely soluble in ethanol, diethyl ether, and other organic solvents which are miscible with water. It is virtually insoluble in benzene and chloroform.；Miscible with glycerol；Soluble in alcohol and furfurol; slightly soluble in ether; insoluble in chloroform, petroleum ether, carbon disulfide. Miscible with alcohol-ether solution.；Solubility in water: miscible；miscible with water, glycerol, glycols, oils；miscible at room temperature (in ethanol) |
| 密度 : | 1.2 at 68 °F (USCG, 1999) - Denser than water; will sink；1.2060 g/cu cm at 21 °C；Relative density (water = 1): 1.2；1.200-1.209 |
| 蒸气压 : | 0.08 [mmHg]；0.0813 mm Hg at 25 °C |
| LogP : | -0.72；log Kow = -0.72；-0.6；-0.62 |
| 热分解说明 : | When heated to decompositionit emits acrid smoke and irritating fumes. |
| 黏度 : | Viscosities of aqueous lactic acid at 25 °C: 1.042 mPa s (6.29 wt%), 1.752 mPa s (25.02 wt%), 4.68 mPa s (54.94 wt%), 36.9 mPa s (88.60 wt%) |
| pH : | The pH of a 10 wt% aqueous solution of lactic acid is 1.75 |
| 折射率 : | Index of refraction = 1.4392 at 20 °C；1.413-1.429 |
| 解离常数 pKa : | 3.86 (at 20 °C)；pKa = 3.86 at 20 °C |
资料来源：DL-乳酸产品资料页；来源页标注 PubChem CID 612，资料日期 。
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