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名称:2,2-联吡啶
 

纯度:AR 包装:25kg
CAS:          366-18-7
分子式:      C10H8N2
分子量:      156.18

中文名称:  2,2'-联吡啶
                   2,2-联吡啶
                    α,α'-联氮杂苯

英文名称:  2,2'-Bipyridine
                   2,2'-Bipyridyl
                   2,2'-bipyridin
                   2,2'-dipyridine
                   2,2'-dipyridyl

性质描述:  白色至浅红色结晶性粉末。熔点69.5℃,沸点272.5℃。易溶于乙醇、乙醚、苯、氯仿和石油醚,1份2,2'-联吡啶约溶于200份水。

     2,2'-联吡啶是联吡啶异构体之一,无色固体。它是一个双齿螯合配体,可以和很多金属离子形成配合物,因此可作氧化还原指示剂。与钌和铂的配合物具有很强的发光性质,可能有潜在应用。

        bipy及其衍生物可通过吡啶与雷尼镍作用脱氢得到。常见的2,2'-联吡啶配合物包括:Mo(CO)4(bipy),类似Mo(CO)6;RuCl2(bipy)2,合成前体;[Ru(bipy)3]Cl2,常用的发光物质;[Fe(bipy)3],用于亚铁离子的比色分析。三(bipy)类型的配合物通式为[M(bipy)3](M = 金属离子:Cr、Fe、Co、Ru、Rh等),中心原子为八面体型六配位,有两个对映异构体。
制备方法:将无水吡啶与无水三氯化铁混合,加热反应,冷却固化得红黑色结晶。用蒸汽加热除去过量的吡啶。蒸出α,α'-联吡啶。再加氢氧化钠用乙醚提取,除去乙醚,得粗品。用无铁活性炭脱色,过滤,得白色叶片状结晶,即为纯品2,2'-联吡啶。


质量指标:
含 量 ≥98.0%
熔点范围 69.72-72.0℃
灵敏度 合格
醇中溶解试验 合格
灼烧残渣 0.2%

用途:化学镀铜添加剂,与亚铁氰化钾配合使用,可有效控制铜沉积速度,避免氧化亚铜形成。

其它信息:

Product Identification
【Product Name】2,2'-Bipyridine  2,2-联吡啶
【Synonyms】2-Pyridin-2-ylpyridine
【CAS】366-18-7
【Formula】C10H8N2
【Molecular Weight】156.19
【EINECS】206-674-4
【RTECS】DW1750000
【RTECS Class】Agricultural Chemical and Pesticide; Tumorigen; Drug; Mutagen; Reproductive Effector
【Merck】13,3382
【Beilstein/Gmelin】113089
【Beilstein Reference】5-23-08-00016
【EC Class】toxic

Physical and Chemical Properties
【Appearance】White crystals.
【Solubility in water】5 g/L
【Melting Point】70 - 72
【Boiling Point】273
【Vapor Pressure】.00001
【Density】1.326 g/cm3 (-150 C)
【pKa/pKb】9.67 (pKb)
【Heat Of Vaporization】41.55 kJ/mol
【Heat Of Combustion】-186 kJ/mol
【Usage】As a reagent for the determination of iron.

First Aid Measures
【Ingestion】If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
【Inhalation】Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.
【Skin】Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
【Eyes】Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Handling and Storage
【Storage】Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Do not ingest or inhale.

Hazards Identification
【Inhalation】Dust is irritating to the respiratory tract.
【Skin】Causes skin irritation.
【Eyes】Causes eye irritation.
【Ingestion】Harmful if swallowed. May cause irritation of the digestive tract.
【Hazards】Contact with metals may evolve flammable hydrogen gas.
【EC Risk Phrase】R 20/21/22 36/37/38
【EC Safety Phrase】S 22 26 36/37/39
【UN (DOT)】2811

Exposure Controls/Personal Protection
【Personal Protection】Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
【Respirators】Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
【Exposure Effects】No data were available to assess the potential effects of exposure to this agent during pregnancy or lactation.
Animal studies on chick for substituted pyridines have shown teratogenicity. Injected chicken eggs develop leg and skeletal malformations.
【Poison Class】3

Fire Fighting Measures
【Flash Point】121
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Runoff from fire control or dilution water may cause pollution. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire, use water spray, dry chemical, carbon dioxide, or alcohol-resistant foam.
【Fire Potential】Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.

Accidental Release Measures
【Small spills/leaks】Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity
【Disposal Code】3
【Stability】Stable at room temperature in closed containers under normal storage and handling conditions.
【Incompatibilities】Strong oxidizers.
【Decomposition】Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
【Combustion Products】Fire may produce irritating, corrosive and/or toxic gases.

Transport Information
【UN Number】2811
【Hazard Class】6.1
【Packing Group】I; II; III
【HS Code】2933 39 99



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