2-Butyne 2-丁炔

CAS 503-17-3 MFCD00009275

化学结构图

503-17-3
SMILES: CC#CC

化学属性

Mol. FormulaC4
Mol. Weight54
Refractive index1.3900 to 1.3930
Boiling Point27
Density0.691
Melting Point-32
Flash Point-49°(-56°F)
TSCAYes
Vapor Pressure11.47 psi ( 20 °C)
Solubility不溶于水,溶于醚。

别名和识别编码

Chemical Name2-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 Number503-17-3
PubChem Substance ID87563911
EC Number207-962-2
Beilstein Registry Number1361340
MDL NumberMFCD00009275
Reaxys-RN1361340
Chemical Name Translation2-丁炔
LabNetwork Molecule IDLN00194983
InChIInChI=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
WGK Germany3
Hazard statements
  • 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
Personal Protective Equipment Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US)
Hazard Codes 3
Precautionary statements
  • 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.....
Signal word Danger
RTECSGQ7210000
UN Number 1144 UN 1144 3/PG 1
Risk Statements
  • 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
Safety Statements
  • 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;
Packing GroupI
Hazard Class3
Storage condition 0-10 0-10°C 2-8°C
Warnings 危化品目录(2015)
Restrict 危险品

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)

系列性分类