产品介绍
Product Description
General description
α-对萘酚苯是属于Benzein 家族的一种染料，在水中不可溶，在醇中可溶。α-对萘酚苯主要用作pH范围8.2-10的指示剂（主要用于酸碱滴定），在中性溶液变为碱性时导致变色。其应用包括检测包装食品中的细菌生长、活细胞、酶、细菌感染患者的氨水味及其它。
Application
α-萘酚苯可作为指示剂，用于酸碱滴定的连续进样分析技术。
技术参数
Specifications
| grade | indicator grade |
| Quality Level | 100 |
| form | powder |
| technique(s) | titration: suitable |
| color | faintly Faint Brown to Very Dark Brown to Very Dark Red and Black |
| pH | 0.0, green,0.8, yellow,10.0, blue-green,8.2, yellow |
| mp | 230-235 °C (lit.) |
| ε (extinction coefficient) | ≥50000 at 207-213 nm in methanol at 0.01 g/L |
| application(s) | diagnostic assay manufacturing hematology histology |
| storage temp. | room temp |
| SMILES string | Oc1ccc(\C(c2ccccc2)=C3\C=CC(=O)c4ccccc34)c5ccccc15 |
| InChI | 1S/C27H18O2/c28-25-16-14-23(19-10-4-6-12-21(19)25)27(18-8-2-1-3-9-18)24-15-17-26(29)22-13-7-5-11-20(22)24/h1-17,28H/b27-24- |
| InChI key | VDDWRTZCUJCDJM-PNHLSOANSA-N |
