马来酸 HPLC≥98%
Maleic acid
品牌：桔子
产品编号：B20821
CAS号：110-16-7
分子式：C4H4O4
分子量：116.07
马来酸
| 中文名称 : | 马来酸 |
|---|---|
| 英文名称 : | Maleic acid |
| 中文别名 : | 未提供 |
| 英文别名 : | 未提供 |
| CAS号 : | 110-16-7 |
| 分子式 : | C4H4O4 |
| 分子量 : | 116.07 |
| SMILES Code : | 尚未取得 |
| MDL NO : | 尚未取得 |
| Pubchem ID : | 444266 |
| InChIKey : | VZCYOOQTPOCHFL-UPHRSURJSA-N |
实验性质
| 外观 / 形态 : | Maleic acid is a colorless crystalline solid having a faint odor. It is combustible though it may take some effort to ignite. It is soluble in water. It is used to make other chemicals and for dyeing and finishing naturally occurring fibers.；Dry Powder; Dry Powder; Large Crystals; Liquid；Colorless or white solid; [HSDB] White crystalline powder; [MSDSonline]；Solid；WHITE CRYSTALS. |
|---|---|
| 颜色 / 形态 : | Monoclinic prisms from water；White crystals from water, alcohol and benzene；Colorless crystals |
| 气味 : | Faint acidulous odor |
| 沸点 : | 275 °F at 760 mmHg (decomposes) (NTP, 1992) |
| 熔点 : | 266 to 268 °F (NTP, 1992)；130.5 °C；132.5 °C (OECD Guideline 102 (Melting point / Melting Range))；Converted in part into the much higher-melting fumaric acid (MP: 287 °C) when heated to a temp slightly above the MP.；131 °C |
| 闪点 : | 127 °C |
| 溶解性 : | greater than or equal to 100 mg/mL at 66 °F (NTP, 1992)；441000 mg/L (at 25 °C)；In water, 788 g/L at 25 °C, 3926 g/L at 97.5 °C；79.000 lb/100 lb water at 77 °F；In water, 441,000 mg/L at 25 °C；Freely soluble in alcohol; soluble in acetone, glacial acetic acid; slightly soluble in ether; practically insoluble in benzene；For more Solubility (Complete) data for MALEIC ACID (7 total), please visit the HSDB record page.；441 mg/mL at 25 °C；Solubility in water, g/100ml at 25 °C: 78 (soluble) |
| 密度 : | 1.59 at 68 °F (USCG, 1999) - Denser than water; will sink；1.590 g/cu cm at 20 °C；Relative density (water = 1): 1.59；1.59 @ 20°C |
| 蒸气压 : | Negligible (NTP, 1992)；0.0000359 [mmHg]；1.34X10-5 mm Hg at 25 °C (OECD Guideline 104 (Vapor Pressure Curve))；Vapor pressure, Pa at 25 °C: 0.0048；0.0000359 [mm Hg] @25 °C |
| LogP : | -0.48；log Kow = -0.48；-0.5 |
| 热分解说明 : | When heated to decomp it emits acrid smoke and irritating fumes.；135 °C |
| 解离常数 pKa : | 1.83；pKa1 = 1.94, pKa2 = 6.22 at 25 °C (OECD Guideline 105) |
资料来源：马来酸产品资料页；来源页标注 PubChem CID 444266，资料日期 。
质检证书(COA)
摩尔浓度计算器
启用 JavaScript 后可使用摩尔浓度计算器。