| 中文名称 | 二氯荧光黄 |
| 英文名称 | 2',7'-Dichlorofluorescein |
| CAS号 | 76-54-0 |
| 分子式 | C20H10Cl2O5 |
| 分子量 | 401.2 |
| EINECS号 | 200-968-6 |
| 熔点 | 280 °C (dec.)(lit.) |
| 沸点 | 514.77°C (rough estimate) |
| 密度 | 0.79 g/mL at 20 °C |
| 折射率 | 1.5300 (estimate) |
| 闪点 | 12°C (53.6°F) |
| 溶解度 | 通过测试溶于酒精 |
| 形态 | 结晶 |
| 酸度系数(pKa) | 4.46(at 25℃) |
| 颜色 | 橙色至红棕色粉末 |
| 酸碱指示剂变色ph值范围 | 4.0 (colorless) - 6.6 (green) |
| 水溶解性 | Soluble in ethanol and methanol. Slightly dimethyl sulfoxide. Insoluble in water. |
| 最大波长(λmax) | 509nm |
| BRN | 58009 |
| 稳定性 | 稳定的。与强氧化剂不相容。 |
| 主要应用 | Electroluminescent devices, sol-gel silica films, integrated circuits, photoresists, lithographicprinting plates, recording material, LED devices, photoconductors, Solid-state dye laser, lithographic printing plates, inks, Fluorescent pH sensors, emissive probes, chemotherapeutic treatment of disease, phototherapeutic treatment of disease, photodynamic treatment of disease |
| 危险品标志 | Xi,F |
| 危险类别码 | 36/37/38-36-67-11 |
| 安全说明 | 26-36-16 |
| 危险品运输编号 | UN 1219 3/PG 2 |
| WGK Germany | 3 |
| RTECS号 | NT8050000 |
| TSCA | Yes |
| 海关编码 | 3204 19 00 |
由间苯二酚与苯酐单独或在ZnCl2或H2SO4存在下缩合制得。