Phenylacetylene 苯乙炔
CAS 536-74-3 MFCD00008570
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资金保障
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信息真实价格透明
资金保障
专业采购外包团队在线服务
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现货库存
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分类
- {SNA} Alkynes, Building Blocks, Chemical Synthesis, Organic Building Blocks, Terminal
产品应用
- 用于有机合成。
相关文献及参考
- For conversion to the Grignard with ethylmagnesium bromide, and subsequent Cu-catalyzed coupling with allyl bromide, see: Org. Synth. Coll., 6, 925 (1988).
- For cyanation with CuCN in the presence of TMS chloride and NaI, see: Tetrahedron Lett., 34, 591 (1993).
- Glaser oxidative coupling by Cu(OAc)2 in pyridine gives diphenylbuta-1,3-diyne: Org. Synth. Coll., 5, 499 (1973).
- Merck:14,3861 Beilstein:5,511
- Dimetallation can be accomplished with a 2:1 molar mixture of n-BuLi and KO-t-Bu in THF, the second metallation occurring specifically at the ortho-position. Thus, the bis(TMS)-derivative can be prepared in excellent yield: J. Org. Chem., 55, 1311 (1990).
- Merck:14,3861
- For preparation of the cuprate and references for coupling with aryl halides to give diarylacetylenes, see: Org. Synth. Coll., 6, 916 (1988).
- Conversion to the 1-bromoalkyne has been described: Org. Synth. Coll., 5, 921 (1973). For an improved phase-transfer method, using NaBr/NaOCl, see: J. Org. Chem., 57, 4555 (1992).
安全信息
- R10 Flammable 易燃
- R36/37 Irritating to eyes and respiratory system 对眼睛和呼吸系统有刺激性
- R65 Harmful: may cause lung damage if swallowed 若吞咽可能伤害肺部器官
- S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护;
- 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;
- S16 Keep away from sources of ignition - No smoking 远离火源,禁止吸烟;
- S45 In case of accident or if you feel unwell seek medical advice immediately (show the label where possible) 发生事故时或感觉不适时,立即求医(可能时出示标签);
GHS Symbol
- H226 Flammable liquid and vapour 易燃液体和蒸气
- H304 May be fatal if swallowed and enters airways 吞食和进入呼吸道可能致命
- 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
- H351 Suspected of causing cancer 怀疑致癌
- P201 Obtain special instructions before use. 使用前获取专门指示。
- P202 Do not handle until all safety precautions have been read and understood. 已阅读并理解所有的安全预防措施之前,切勿操作。
- P203
- 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 Use explosion-proof electrical/ventilating/lighting/…/equipment. 使用防爆电气/通风/照明/ .../设备。
- P241+P242+P243
- P242 Use only non-sparking tools. 只能使用无火花工具。
- P243 Take precautionary measures against static discharge. 采取预防措施,防止静电放电。
- 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。
- P264+P265
- P271 Use only outdoors or in a well-ventilated area.? 只能在室外或通风良好的地方使用。
- 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。
- P281 Use personal protective equipment as required. 使用所需的个人防护装备。
- P301+P310
- P301+P310+P331
- P301+P316
- P301+P330+P331
- P302+P352
- P302+P352+P332+P313+P362+P364
- P303+P361+P353
- P304+P340
- P305+P351+P338
- P305+P351+P338+P337+P313
- P308+P313
- P312 Call a POISON CENTER or doctor/physician if you feel unwell. 如果你感觉不适,呼叫解毒中心或医生/医师。
- P318
- P319
- P321 Specific treatment (see … on this label). 具体治疗(见本标签上的)。
- P331 Do NOT induce vomiting.. 不要催吐。
- P332+P313
- P332+P317
- P337+P313
- P337+P317
- 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
- P362+P364
- P370+P378
- P403+P233
- P403+P235
- P405 Store locked up. 上锁保管。
- P501 Dispose of contents/container to..… 处理内容物/容器.....
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 100 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#04866
TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 10 mL/kg TOXIC EFFECTS : Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis) Lungs, Thorax, or Respiration - acute pulmonary edema Blood - hemorrhage REFERENCE : AMIHAB AMA Archives of Industrial Health. (Chicago, IL) V.11-21, 1955-60. For publisher information, see AEHLAU. Volume(issue)/page/year: 19,403,1959
其他信息
- 毒性分级:中毒
- 用途一:用作医药中间体
- 储运特性:库房通风低温干燥; 与氧化剂、酸类分开存放; 不宜久储, 以防聚合
- 急性毒性:口服- 大鼠 LDL0: 4648 毫克/ 公斤
- 下游产品:4-苯基乙炔基邻苯二甲酸酐 --> 二苯基乙炔 --> 4-苯基哌啶 --> 聚对苯乙炔 --> 聚苯(III) --> 反式-BETA-苯乙烯硼酸
- 灭火剂:干粉、干砂、二氧化碳、泡沫、1211灭火剂
- 检测方法:GC,NMR
- MSDS 信息:苯乙炔(536-74-3).msds
- 敏感性:Light Sensitive
- 苯乙炔价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2011/08/23 A11770601 苯乙炔;乙炔苯 25ml 475元 2011/08/23 K7784001 苯乙炔;乙炔苯 25ml 463元 2011/04/16 E0196 苯乙炔 Ethynylbenzene 25ML 420元
- F:8-19
- 类别:易燃液体
- TCI Shanghai:苯乙炔 Ethynylbenzene,>;97.0%(GC)(536-74-3)
- 图谱信息:苯乙炔(536-74-3)核磁图( 1 HNMR) 苯乙炔(536-74-3)质谱(MS) 苯乙炔(536-74-3)核磁图( 13 CNMR)
- MOL 文件:536-74-3.mol
- Sigma Aldrich:536-74-3(sigmaaldrich)
- Alfa Aesar:苯乙炔,98+% Phenylacetylene, 98+%(536-74-3)
- Acros Organics:苯乙炔 Phenylacetylene, pure, 98%(536-74-3)
- 蒸气压:17.6 mm Hg ( 37.7 °C)
- 方法一:将β-溴苯乙烯滴加到熔融的氢氧化钾中,生成的苯乙炔从反应物中蒸馏出来。馏出物分层,上层为水层。将油层干燥、蒸馏,即得苯乙炔。
- 上游原料:beta-溴苯乙烯
- 存储注意事项:湿度敏感
- 用途二:用于有机合成。
- 外观性质:无色液体。
- 无色液体,与醇、醚和其它有机溶剂混溶,不溶于水。
- 可燃性危险特性:遇明火、高温、氧化剂较易燃; 燃烧产生刺激烟雾