3939-14-8
基本信息
4-氰基-2-氟吡啶
4-氰基-2-氟吡啶 1G
4-氰基-2-氟吡啶,97%
4-氰基-2-氟吡啶(CAS号:3939-14-8)
4-CYANO-2-FLUOROPYRIDINE
2-FLUOROISONICOTINONITRILE
2-Fluoroisonicotinonitrile98%
2-Fluoroisonicotinonitrile 98%
2-fluoro-4-Pyridinecarbonitrile
2-fluoropyridine-4-carbonitrile
4-Pyridinecarbonitrile, 2-fluoro-
4-Cyano-2-fluoropyridine, 97%, 97%
2-FLUOROISONICOTINONITRILE ISO 9001:2015 REACH
物理化学性质
| 熔点 | 34-36 |
| 沸点 | 204.9±20.0 °C(Predicted) |
| 密度 | 1.24±0.1 g/cm3(Predicted) |
| 闪点 | 82 °C |
| 储存条件 | Keep in dark place,Sealed in dry,Room Temperature |
| 酸度系数(pKa) | -3.79±0.10(Predicted) |
| 形态 | powder to lump |
| 颜色 | White to Almost white |
| 水溶解性 | Insoluble in water. |
| InChI | 1S/C6H3FN2/c7-6-3-5(4-8)1-2-9-6/h1-3H |
| InChIKey | DYQMGPSBUBTNJZ-UHFFFAOYSA-N |
| SMILES | Fc1cc(ccn1)C#N |
安全数据
| 危险性符号(GHS) | ![]() ![]() GHS05,GHS07 |
| 警示词 | 危险 |
| 危险性描述 | H302+H312+H332-H315-H318-H335 |
| 防范说明 | P261-P280-P301+P312-P302+P352+P312-P304+P340+P312-P305+P351+P338 |
| 危险品标志 | Xi,Xn |
| 危险类别码 | 20/21/22-37/38-41 |
| 安全说明 | 26-36/37 |
| 危险品运输编号 | UN3439 |
| WGK Germany | 1 |
| Hazard Note | Irritant |
| 危险等级 | 6.1 |
| 包装类别 | III |
| 海关编码 | 29333990 |
| 存储类别 | 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects |
| 危险性类别 | Acute Tox. 4 Dermal Acute Tox. 4 Inhalation Acute Tox. 4 Oral Eye Dam. 1 Skin Irrit. 2 STOT SE 3 |
制备方法
33252-30-1
3939-14-8
以2-氯-4-氰基吡啶为原料合成4-氰基-2-氟吡啶的一般步骤:将2-氯-4-氰基吡啶(6.0 g,43.5 mmol)、氟化钾(7.56 g,130.3 mmol)和溴化四丁基鏻(14.8 g,43.7 mmol)溶于1-甲基-2-吡咯烷酮(20 mL)中,加热至100°C反应18小时。反应完成后,用水稀释反应混合物,并用乙酸乙酯(EtOAc)萃取。有机相依次用水和盐水洗涤,无水硫酸钠(Na2SO4)干燥,减压浓缩,得到目标产物4-氰基-2-氟吡啶(2.3 g,收率43%)。质谱(ES)显示m/z 123.1([M + H]+)。核磁共振氢谱(400 MHz,CDCl3)δ 8.43(d,1H,J = 5.2 Hz),7.45(m,1H),7.22(m,1H)。
参考文献:
[1] Patent: WO2005/66126, 2005, A1. Location in patent: Page/Page column 60
[2] Patent: WO2010/25451, 2010, A2. Location in patent: Page/Page column 50
[3] Patent: US2011/54173, 2011, A1. Location in patent: Page/Page column 30
[4] Patent: WO2011/25505, 2011, A1. Location in patent: Page/Page column 64
[5] Journal of Organic Chemistry, 2015, vol. 80, # 24, p. 12137 - 12145
4-氰基-2-氟吡啶价格(试剂级)
| 报价日期 | 产品编号 | 产品名称 | CAS号 | 包装 | 价格 |
| 2026/09/15 | C3383 | 4-氰基-2-氟吡啶 4-Cyano-2-fluoropyridine | 3939-14-8 | 5g | 150元 |
| 2026/09/15 | C3383 | 4-氰基-2-氟吡啶 4-Cyano-2-fluoropyridine | 3939-14-8 | 25g | 560元 |
| 2026/09/15 | XW02393914804 | 4-氰基-2-氟吡啶 | 3939-14-8 | 100G | 708元 |

