| 常用名 | 4-氨基-2,6-二氯-3-硝基吡啶嘧啶 | CAS号 | 2897-43-0 |
|---|---|---|---|
| 价格 | ¥需询单/1kg ¥需询单/250g | 纯度 | 99.0% |
| 备货期 | 3天 | 库存 | 现货 |
| 产品详情(用途,包装等)
Chemical Name: 4-Amino-2,6-dichloro-3-nitropyridine CAS: 2897-43-0 Assay: 99.0% min Molecular formula:C5H3Cl2N3O2 Molecular weight:208 EINECS: 206-674-4 4-Amino-2,6-dichloro-3-nitropyridine Properties Melting Point 148-150°C Boiling Point 426.6±40.0 °C(Predicted) Density 1.723 Refractive Index Flash point Storage Condition Keep in dark place,Inert atmosphere,2-8°C Solubility Appearance Powder
Acidity Coefficient (pKa) -3.65±0.50(Predicted) Color Light yellow to beige Security Information Dangerous Goods Sign Xn Hazard Category Code 22-36 Safety Instructions 26 Dangerous Goods Transportation No WGK Germany RTECS F Hazard Note TSCA Hazard Level Packaging Category HS CODE 2933399990 Toxic substance data Toxicity 4-Amino-2,6-dichloro-3-nitropyridine Application and Synthesis Chemical Property: Usage 1: 4-Amino-2,6-dichloro-3-nitropyridine (cas2897-43-0) is a compound useful in organic synthesis. Production Method: Adopt 65% nitric acid and concentrated sulfuric acid to carry out nitration reaction as mixed acid, the yield of the obtained isomer 4-amino-2-chloro-3-nitropyridine and 4-amino-2-chloro-5-nitropyridine It is 95~98%, and the purity is 95~99.5%; it is purified after recrystallization, and 4-amino-2-chloro-3-nitropyridine and 4-amino-2-chloro-5-nitro Pyridine was effectively separated, and the obtained 4-amino-2-chloro-3-nitropyridine had a yield of 75-85% and a purity of 95-99%; 4-amino-2-chloro-5-nitropyridine The yield of pyridine is 15-25%, and the purity is 95-99%. 更多
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