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 |
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