产品介绍：
基本信息
| 分子式/分子量 | C22H18O4 = 346.38 |
| 外观与形状(20℃) | 固体 |
| Reaxys-RN | 310554 |
| PubChem物质ID | 87565531 |
| SDBS (AIST Spectral DB) | 2048 |
| Merck Index (14) | 2576 |
| MDL编号 | MFCD00005912 |
技术规格
| Appearance | White to Light yellow to Light orange powder to crystal |
| Lambda max. | 563.0 to 568.0 nm(pH 9.8 buffer sol.) |
| Absorbance | min. 0.590(5mg/L, pH 9.8 buffer sol., 563.0 to 568.0 nm) |
| Solubility in EtOH | almost transparency |
| Drying loss | max. 1.0 % |
| Transition interval(pH) | (colorless)8.0 to 9.8(red) |
| Ignition residue(Sulfate) | max. 0.1 % |
物性(参考值)
| 熔点 | 223 ℃ |
| 最大吸收波长 | 566(pH 9.8 buffer sol.) nm |
相关法规
| RTECS# | SM8390000 |
