Bromoacetaldehyde Diethyl Acetal 溴乙醛缩二乙醇

CAS 2032-35-1 MFCD00000214

化学结构图

2032-35-1
SMILES: CCOC(CBr)OCC

化学属性

Mol. FormulaC6H13BrO2
Mol. Weight197
Density1.31
Refractive index1.4370 to 1.4400
Boiling Point66-67
Flash Point51°C(lit.)
TSCAYes
Solubility不溶
Stability对湿度敏感

别名和识别编码

Chemical NameBromoacetaldehyde Diethyl Acetal
CAS Number2032-35-1
Synonym -Bromodiethylacetal 1,1-DIETHOXY-2-BROMOETHANE 1-Brom-2,2-diethoxyethan 1-Bromo-2,2-diethoxyethane 2,2-Diethoxyethyl Bromide 2-BROMO-1,1-DI 2-Bromo-1,1-diethoxyethane 2-Bromoacetaldehyde diethyl acetal 2-bromo-1,1-diethoxy-ethan 2-bromoacetaldehyde diethylacetal 2-溴-1 2-溴-1,1-二乙氧基乙烷,溴代乙醛缩二乙醇 BROMO ACETYL DIACETAL BROMOACETAL Betabromoacetaldehyde diethylacetal Bromacetal Bromoacetaldehydediethylacetate Diethyl bromoacetal Diethyl bromoacetaldehyde acetal NSC 8036 bromo-acetaldehyde diethylacetal {} {} {} {} {uni_ham β-溴代乙醛缩二乙醇 溴乙醛二乙基乙缩醛 溴代乙缩醛 溴代乙醛缩二乙醇
MDL NumberMFCD00000214
EC Number217-989-1
Beilstein Registry Number635754
PubChem Substance ID87563916
Chemical Name Translation溴乙醛缩二乙醇
Reaxys-RN635754
InChIKeyLILXDMFJXYAKMK-UHFFFAOYSA-N
LabNetwork Molecule IDLN00223998
InChIInChI=1S/C6H13BrO2/c1-3-8-6(5-7)9-4-2/h6H,3-5H2,1-2H3
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分类

  • {SNA} Acetals/Ketals/Ortho Esters, Building Blocks, Chemical Synthesis, Organic Building Blocks, Oxygen Compounds
  • Aliphatics
  • {uni_hamburg} no charge; 1fragment
  • Miscellaneous Reagents

产品应用

  • 医药中间体。用于制甲状腺亢进药甲硫咪唑、甲亢平及扑尔敏等。

相关文献及参考

  • Beilstein:1,625
  • Precursor of the easily-polymerized ketene diethyl acetal, by dehydrobromination with KO-t-Bu: Org. Synth. Coll., 3, 506 (1965).
  • Short: EINECS
  • Useful intermediate for the preparation of other ɑ-heterosubstituted acetaldehyde acetals, e.g. the corresponding thiol by reaction with sodium polysulfide and reductive cleavage with Na in liquid ammonia: Org. Synth. Coll., 4, 295 (1963).
  • Short: III/38B

安全信息

Signal word Danger
GHS Symbol
WGK Germany3
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;
  • S36/37 Wear suitable protective clothing and gloves 穿戴适当的防护服和手套;
  • 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);
Risk Statements
  • R10 Flammable 易燃
  • R22 Harmful if swallowed 吞咽有害
  • R23 Toxic by inhalation 吸入有毒
  • R36 Irritating to eyes 刺激眼睛
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
  • R36/38 Irritating to eyes and skin 对眼睛和皮肤有刺激性
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 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。
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray. 不要吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • 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。
  • P270 Do not eat, drink or smoke when using this product. 使用本产品时不要吃东西,喝水或吸烟。
  • 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。
  • P284 Wear respiratory protection.? 佩戴呼吸保护装置。
  • P301+P310
  • P301+P310+P330
  • P302+P352
  • P302+P352+P332+P313+P362+P364
  • P303+P361+P353
  • P304+P340
  • P304+P340+P311
  • P305+P351+P338
  • P305+P351+P338+P337+P313
  • P310 Immediately call a POISON CENTER or doctor/physician. 立即呼救解毒中心或医生/医师。
  • 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。
  • P320 Specific treatment is urgent (see … on this label). 紧急具体治疗(见本标签上的)。
  • P321 Specific treatment (see … on this label). 具体治疗(见本标签上的)。
  • P330 Rinse mouth. 漱口
  • P332+P313
  • P337+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
  • 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.....
Hazard statements
  • H226 Flammable liquid and vapour 易燃液体和蒸气
  • H301 Toxic if swallowed 吞食有毒
  • H315 Causes skin irritation 会刺激皮肤
  • H319 Causes serious eye irritation 严重刺激眼睛
  • H330 Fatal if inhaled 吸入致命
  • 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), type ABEK (EN14387) respirator filter
Packing GroupII
UN Number 1989 1992 2810 UN 1993 3/PG 3 UN2810
Storage condition Moisture Sensitive 对湿度敏感 0-6°C
Hazard Codes 6.1 T T;Xi Xi,T
Hazard Class3/6.1

其他信息

  • Alfa Aesar:溴乙醛二乙基乙缩醛,97% Bromoacetaldehyde diethyl acetal, 97%(2032-35-1)
  • Sigma Aldrich:2032-35-1(sigmaaldrich)
  • Hazard Note:Toxic/Irritant
  • 上游原料:溴 --> 乙酸乙烯酯
  • 图谱信息:2-溴-1,1-二乙氧基乙烷(2032-35-1)质谱(MS) 2-溴-1,1-二乙氧基乙烷(2032-35-1)核磁图( 13 CNMR) 2-溴-1,1-二乙氧基乙烷(2032-35-1)红外图谱(IR1) 2-溴-1,1-二乙氧基乙烷(2032-35-1)红外图谱(IR2) 2-溴-1,1-二乙氧基乙烷(2032-35-1)核磁图( 1 HNMR)
  • 用途二:医药中间体。用于制甲状腺亢进药甲硫咪唑、甲亢平及扑尔敏等。
  • 方法一:由乙酸乙烯酯经溴化、醇解而得:将乙酸乙烯酯、无水乙醇混匀冷却至-10℃,在搅拌下缓慢滴加溴素,保持-5℃,加毕。再逐渐升温至60℃维持1h后,冷却至10℃,加入1倍量的冰水,再用氨水中和至pH=6,静置分层,油层用一倍量冰水洗涤一次,分出油层,减压分馏。收集71-76℃(2.67kPa),馏分,即为成品。工业品含量≥96.5%。原料消耗定额:乙酸乙烯酯769kg/t、无水乙醇2154kg/t、溴素1338kg/t。
  • 下游产品:苯并噻吩 --> 1-苯并呋喃-5-甲醛 --> 苯并呋喃-5-硼酸 --> 3-溴-7-(三氟甲基)咪唑并[1,2-a]嘧啶 --> 1-苯并呋喃-5-甲腈 --> 5-溴苯并呋喃 --> 4-氯吡咯并嘧啶 --> 5-甲基-1-苯并噻吩-2-甲醛 --> 5-甲氧基苯并呋喃 --> 4-羟基吡咯并[2,3-d]嘧啶 --> 3,3-二苯基四氢呋喃-2-亚基二甲基溴化胺 --> 5-溴-4-氯-2-甲硫-7H-吡咯[2,3-D]嘧啶 --> 5-甲基吲哚 --> 马来酸氯苯那敏
  • 用途一:主要用于合成抗生素药物,如地红霉素和头孢霉素及其他药物
  • F:8-9-21
  • MOL 文件:2032-35-1.mol
  • 海关编码:29110000
  • 溶于乙醇和乙醚。不溶于水,易吸湿。
  • TCI Shanghai:溴乙醛缩二乙醇 Bromoacetaldehyde Diethyl Acetal,>;95.0%(GC)(2032-35-1)
  • 2-溴-1,1-二乙氧基乙烷价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2014/06/02 B0957 溴乙醛缩二乙醇 Bromoacetaldehyde Diethyl Acetal 500ML 2000元 2014/06/02 B0957 溴乙醛缩二乙醇 Bromoacetaldehyde Diethyl Acetal 25ML 198元 2010/06/21 346525000 2-溴-1,1-二乙氧基乙烷 Bromoacetaldehyde diethyl acetal 97% 500 ML 1226元
  • Acros Organics:溴乙醛缩二乙醛 Bromoacetaldehyde diethyl acetal, 97%(2032-35-1)
  • 存储注意事项:光敏感
  • 敏感性:Moisture Sensitive
  • 外观性质:液体。溶于乙醇和乙醚。易吸湿。沸点:66-67℃/18 mmHg 密度:1.280折射率n20/D:1.4376闪点:65℃
  • MSDS 信息:2-Bromo-1,1-diethoxyethane(2032-35-1).msds

系列性分类