Name | Specifications | Packing | Price | Delivery |
1-(2-Pyridylazo)-2-naphthol | 98% | 100g | RMB 638 | Consulting service |
1-(2-Pyridylazo)-2-naphthol | 98% | 25g | RMB 206.8 | Consulting service |
1-(2-Pyridylazo)-2-naphthol | 98% | 5g | RMB 74.8 | Consulting service |
98%:
外观Appearance 橙色至红棕色粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
熔点Melting point 138°C - 143°C
纯度Purity ≥98.0% (非水滴定)
醇溶性实验Solubility in Methanol 溶液透明
硫酸盐灰分Sulfated ash <0.3 %
吸光度Absorbance ≥ 0.600(10mg/L, 甲醇, 463.0 - 467.0 nm)
灵敏性试验Sensitiveness 合格
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