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6915-15-7
Futurechemical
6915-15-7
| Malic acid Basic information | |
| Product Name: | Malic acid |
| CAS: | 6915-15-7 |
| MF: | C4H6O5 |
| MW: | 134.09 |
| EINECS: | 230-022-8 |
| Mol File: | 6915-15-7.mol |
| Malic acid Chemical Properties | |
| Melting point | 131-133 °C (lit.) |
| alpha | [α]D20 -0.5～+0.5° (c=5, H2O) |
| Boiling point | 167.16°C (rough estimate) |
| bulk density | 800kg/m3 |
| density | 1.609 |
| vapor density | 4.6 (vs air) |
| vapor pressure | <0.1 mm Hg ( 20 °C) |
| refractive index | 1.3920 (estimate) |
| Fp | 203 °C |
| storage temp. | 2-8°C |
| solubility | methanol: 0.1 g/mL, clear, colorless |
| pka | 3.4(at 25℃) |
| form | Solid |
| color | White to Almost white |
| Odor | at 100.00 %. odorless |
| PH | 3.33(1 mM solution);2.74(10 mM solution);2.21(100 mM solution); |
| Odor Type | odorless |
| optical activity | [α]/D 0.10 to +0.10° |
| biological source | synthetic |
| Water Solubility | 558 g/L (20 ºC) |
| Merck | 145,707 |
| BRN | 1723539 |
| LogP | -6.14 at 20℃ |
| CAS DataBase Reference | 6915-15-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Hydroxybutanedioic acid(6915-15-7) |
分析项目 ITEM | 技术指标 STANDARD | 实测结果 RESULTS |
色泽 Color | 白色或类白色 White | 符合规定 Qualified |
气味 Smell | 特殊的酸味 Special sour taste | 符合规定 Qualified |
状态 Form | 结晶或结晶性粉末
Crystalline or crystalline powder | 符合规定 Qualified |
DL-苹果酸（以 C4H6O5 计） DL-Malic acid（C4H6O5） | 99%-100.5% | 99.7% |
比旋光度(20°C), (o)•dm2•kg-1 Specific rotation (20°C), (o)•dm2•kg-1 |
-0.1-+0.1 |
0 |
灼烧残渣 Ignition residue | ≤0.1% | 0. 04% |
砷,mg/kg As,mg/kg |
≤2 | 符合规定 Qualified |
铅, mg/kg Pb, mg/kg | ≤2 | 0.02 |
富马酸 Fumaric acid | ≤1% | 0.04 |
马来酸 Maleic acid |
≤0.05% |
0,008 |
水不溶物 Water insoluble matter | ≤0.1% | 0.05 |
结论 Conclusion | 经检验，该批产品符合 GB25544-2010 标准要求，合格 After inspection, the batch of products meet the requirements of GB25544-2010 and are qualified. | |
