乙二醛 35%
Glyoxal
品牌：桔子
产品编号：S55247
CAS号：107-22-2
分子式：C2H2O2
分子量：58.04
乙二醛
| 中文名称 : | 乙二醛 |
|---|---|
| 英文名称 : | Glyoxal |
| 中文别名 : | 未提供 |
| 英文别名 : | 未提供 |
| CAS号 : | 107-22-2 |
| 分子式 : | C2H2O2 |
| 分子量 : | 58.04 |
| SMILES Code : | 尚未取得 |
| MDL NO : | 尚未取得 |
| Pubchem ID : | 7860 |
| InChIKey : | LEQAOMBKQFMDFZ-UHFFFAOYSA-N |
实验性质
| 外观 / 形态 : | Glyoxal appears as yellow crystals melting at15 °C. Hence often encountered as a light yellow liquid with a weak sour odor. Vapor has a green color and burns with a violet flame.；CBI; Dry Powder; Liquid；Commercially available as a 40% aqueous solution, clear to slightly yellow with a faint, sour odor; [AIHA] Yellow solid that turns white on cooling; Vapors are green; mp = 15 deg C; [Merck Index] Liquid; Yellow solid below 15 deg C; [Reference #1]；Liquid；COLOURLESS-TO-PALE-YELLOW LIQUID.；Yellow prisms which turn white on cooling; soluble in anhydrous solvents. Often encountered as a light yellow liquid with a weak sour odor. Vapor has a green color and burns with a violet flame. |
|---|---|
| 颜色 / 形态 : | Yellow prisms or irregular pieces turning white on cooling; opaque at 10 °C; vapors are green；Yellow crystals or light yellow liquid |
| 气味 : | Mild odor |
| 沸点 : | 124 °F at 776 mmHg (NTP, 1992)；51 °C at 776 mm Hg；104 °C；124 °F |
| 熔点 : | 59 °F (NTP, 1992)；15 °C for pure glyoxal and approximately -10 °C for the 40% solution；15 °C；-14 °C；59 °F |
| 闪点 : | 428 °F (NTP, 1992)；428 °F；>100 °C |
| 溶解性 : | greater than or equal to 100 mg/mL at 72 °F (NTP, 1992)；Sol in anhydrous solvents；In water, miscible at 20 °C |
| 密度 : | 1.29 at 68 °F (liquid,40% solution) (USCG, 1999) - Denser than water; will sink；1.14 g/cu cm at 20 °C；Relative density (water = 1): 1.27；1.29；1.29 @ 20°C |
| 蒸气压 : | 18 mmHg at 68 °F (NTP, 1992)；255 mm Hg at 25 °C /extrapolated/；Vapor pressure, kPa at 20 °C: 2.4；18 mmHg；255 [mm Hg] @25 °C |
| LogP : | -0.85 |
| 自燃温度 : | 545 °F (NTP, 1992)；285 °C |
| 热分解说明 : | When heated to decomposition it emits acrid smoke and irritating fumes. |
| pH : | pH of 40% aqueous solution = 2.1 to 2.7 |
| 折射率 : | Index of refraction = 1.3826 at 20 °C |
资料来源：乙二醛产品资料页；来源页标注 PubChem CID 7860，资料日期 。
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