荧光素吸附指示剂 0.5%
Fluorescein indicator
品牌:桔子
产品编号:S59398
CAS号:2321-07-5
分子式:C20H12O5
分子量:332.31
MDL:MFCD00005050
| 产品名称 : | 荧光素吸附指示剂 |
|---|---|
| 英文名称 : | Fluorescein indicator |
| 参考名称 : | 3',6'-二羟基-3H-螺[异苯并呋喃-1,9'-黄嘌呤]-3-酮 |
| 参考英文名称 : | 3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one |
| CAS号 : | 2321-07-5 |
| 分子式 : | C20H12O5 |
| 分子量 : | 332.31 |
| SMILES : | OC1=CC=C2C(OC3=CC(O)=CC=C3C22OC(=O)C3=CC=CC=C23)=C1 |
| MDL NO : | MFCD00005050 |
| PubChem CID : | 16850 |
| InChIKey : | GNBHRKFJIUUOQI-UHFFFAOYSA-N |
| 储存条件 : | RT |
| 参考别名 : | 荧光素; Uranine; Solvent Yellow 94; Yellow fluorescein |
实验性质
| 外观 / 形态 : | Fluorescein appears as yellow amorphous solid or orange-red crystals. Latter have greenish-yellow fluorescence by reflected light. Insoluble in water. Soluble in dilute aqueous bases. Very dilute alkaline solutions exhibit intense, greenish-yellow fluorescence by reflected light. Low toxicity. May be sensitive to prolonged exposure to light.;Solid;Yellowish-red to red solid; [Merck Index] Orange powder; [MSDSonline] |
|---|---|
| 颜色 / 形态 : | Red, orthorhombic prisms;Yellowish-red to red powder;Orange-red, crystalline powder |
| 熔点 : | 315 dec °C;315 °C;315 °C (decomposes);Decomposes at 554 °F. In sealed tube, melts at 597-601 °F with decomposition (NTP, 1992) |
| 溶解性 : | Slightly soluble in ethanol, diethyl ether; very soluble in acetone; soluble in pyridine, methanol;Insoluble in benzene, chloroform, ether. Soluble in hot alcohol or glacial acetic acid; also soluble in alkali hydroxides or carbonates with a bright green fluorescence appearing red by transmitted light.;In water, 50 mg/L at 20 °C |
| LogP : | 3.4 |
| 热分解说明 : | When heated to decomposition it emits acrid smoke and irritating fumes. |
计算性质
| LogP : | 3.4 |
|---|---|
| 极性表面积 (TPSA) : | 76 Ų |
| 氢键供体数 : | 2 |
| 氢键受体数 : | 5 |
| 可旋转键数 : | 0 |
| 精确质量 : | 332.06847348 Da |
| 重原子数 : | 25 |
| 分子复杂度 : | 522 |
资料来源:荧光素吸附指示剂产品资料页;来源页标注 PubChem CID 16850,资料日期 2026-10-11。
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。

