产品介绍
Product Description
General description
1-(2-吡啶偶氮)-2-萘酚(PAN)是一种橙色染料。它可以和金属离子形成螯合物，这使其成为络合物滴定中有价值的指示剂。
Application
1-(2-吡啶偶氮)-2-萘酚(PAN)通常用于酸碱指示剂。它还可用于分光光度法试剂，可以与金属螯合萃取进有机溶剂中。
技术参数
Specifications
| grade | indicator grade |
| Quality Level | 200 |
| form | solid |
| technique(s) | titration: suitable |
| color | green to red, upon chelation with metal, orange-red, as an amorphous solid, yellow, when dissolved in organic solvent |
| mp | 138-141 °C (lit.),138-141 °C ((280 - 286 °F) - lit) |
| ε (extinction coefficient) | ≥15000 at 462-468 nm in methanol at 0.01 g/L,>35,000 at 222-228 nm in methanol at 0.01 g/L,>9,000 at 300-306 nm in methanol at 0.01 g/L |
| suitability | suitable for (Suitable For Use as an Indicator in EDTA Titrations) |
| SMILES string | Oc1ccc2ccccc2c1\N=N\c3ccccn3 |
| InChI | 1S/C15H11N3O/c19-13-9-8-11-5-1-2-6-12(11)15(13)18-17-14-7-3-4-10-16-14/h1-10,19H/b18-17+ |
| InChI key | LLYOXZQVOKALCD-ISLYRVAYSA-N |
