2-Butyne 2-丁炔
CAS 503-17-3 MFCD00009275
化学结构图
SMILES: CC#CC
化学属性
| Mol. Formula | C4 |
|---|---|
| Mol. Weight | 54 |
| Refractive index | 1.3900 to 1.3930 |
| Boiling Point | 27 |
| Density | 0.691 |
| Melting Point | -32 |
| Flash Point | -49°(-56°F) |
| TSCA | Yes |
| Vapor Pressure | 11.47 psi ( 20 °C) |
| Solubility | 不溶于水，溶于醚。 |
别名和识别编码
| Chemical Name | 2-Butyne |
|---|---|
| Synonym | 2-BUTYNE 98% 2-Butyne,98% 2-butyne But-2-in Butyne CH3CequivCCH3 Crotonylene, Dimethylacetylene Dimethylacetylene 二甲基乙炔 二甲基乙炔 巴豆炔 巴豆炔 |
| CAS Number | 503-17-3 |
| PubChem Substance ID | 87563911 |
| EC Number | 207-962-2 |
| Beilstein Registry Number | 1361340 |
| MDL Number | MFCD00009275 |
| Reaxys-RN | 1361340 |
| Chemical Name Translation | 2-丁炔 |
| LabNetwork Molecule ID | LN00194983 |
| InChI | InChI=1S/C4H6/c1-3-4-2/h1-2H3 |
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分类
- Alkynes, Building Blocks, Chemical Synthesis, Internal, Organic Building Blocks
- {uni_hamburg} no charge; 1fragment
- {SNA} Alkynes, Building Blocks, Chemical Synthesis, Internal, Organic Building Blocks
相关文献及参考
- With AlCl3, dimerizes to give the complex of the otherwise unstable tetramethylcyclobutadiene, cycloaddition of which with dimethyl acetylenedicarboxylate gives a Dewar benzene: Synthesis, 139 (1971):
- For use in formation of a Zr metallocycle as an intermediate in the formation of phospholes and analogous heterocycles, see Bis(cyclopentadienyl)zirconium dichloride, 12548.
- Short: II/19a
- With a catalytic amount of AlCl3, hexamethyl Dewar benzene can be produced directly, with the 2-butyne also acting as the dienophile component: Org. Synth. Coll., 7, 256 (1990).
- Reacts with chlorine to give 3,4-dichloro,1,2,3,4-tetramethylcyclobutene, a precursor of various cyclobutadienyl complexes: Org. Synth. Coll., 5, 370 (1973).
安全信息
GHS Symbol
- H224 Extremely flammable liquid and vapour 极端易燃液体和蒸气
- H315 Causes skin irritation 会刺激皮肤
- H319 Causes serious eye irritation 严重刺激眼睛
- H335 May cause respiratory irritation 可能导致呼吸道刺激
- P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 远离热源/火花/明火/热的表面。——禁止吸烟。
- P233 Keep container tightly closed. ?保持容器密闭。
- P240 Ground/bond container and receiving equipment. 与地面接触/连接集装箱和接受设备。
- P241+P242+P243
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
- P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
- P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
- P302+P352+P332+P313+P362+P364
- P305+P351+P338
- P305+P351+P338+P337+P313
- P332+P313
- P362 Take off contaminated clothing and wash before reuse. 脱掉污染的衣服，清洗后方可重新使用
- P403+P235
- P501 Dispose of contents/container to..… 处理内容物/容器.....
- R12 Extremely flammable 极端易燃
- R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
- S16 Keep away from sources of ignition - No smoking 远离火源，禁止吸烟；
- S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后，立即用大量水冲洗并征求医生意见；
- S36 Wear suitable protective clothing 穿戴适当的防护服；
其他信息
- 灭火剂:干粉、干砂、二氧化碳、泡沫
- Acros Organics:2-丁炔 2-Butyne, 98%(503-17-3)
- Sigma Aldrich:503-17-3(sigmaaldrich)
- 图谱信息:2-丁炔(503-17-3)核磁图( 13 CNMR) 2-丁炔(503-17-3)红外图谱(IR1) 2-丁炔(503-17-3)质谱(MS) 2-丁炔(503-17-3)核磁图( 1 HNMR)
- TCI Shanghai:2-丁炔 2-Butyne,>;97.0%(GC)(503-17-3)
- MSDS 信息:2-丁炔(503-17-3).msds
- 储运特性:库房通风低温干燥; 与氧化剂、酸类分开存放
- 可燃性危险特性:遇明火、高温、氧化剂易燃; 燃烧产生刺激烟雾
- MOL 文件:503-17-3.mol
- 外观性质:无色液体。
- 爆炸物危险特性:与空气混合可爆
- 类别:易燃液体
- 2-丁炔价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2014/06/02 B0951 2-丁炔 2-Butyne 5ML 444元 2010/06/21 135140050 2-丁炔 2-Butyne 98% 5 GR 530元 2010/06/21 135140010 2-丁炔 2-Butyne 98% 1 GR 187元
- Alfa Aesar:2-丁炔,98% 2-Butyne, 98%(503-17-3)
- 蒸气压:11.47 psi ( 20 °C)
