2,5-Dimethoxytetrahydrofuran 2,5-二甲氧基四氢呋喃
CAS 696-59-3 MFCD00005359
化学结构图
SMILES: COC1CCC(OC)O1
化学属性
| Mol. Formula | C6H12O3 |
|---|---|
| Mol. Weight | 132.16 |
| Refractive index | 1.4160 to 1.4190 |
| Boiling Point | 145.7°C at 760 mmHg |
| Density | 1.021 |
| Flash Point | 35°C |
| TSCA | Yes |
| Melting Point | -45°C |
| Solubility | 350 G/L (20 ºC) |
| Appearance | 无色液体。沸点145-147℃，52-54℃（2.93kPa），相对密度1.023（20/4℃），折光率1.4182-1.4184，闪点35℃。能与水、乙醇、乙醚混溶。受热易分解。 |
| Stability | 对空气敏感 |
| Danger-Level | 甲类 |
别名和识别编码
| Chemical Name | 2,5-Dimethoxytetrahydrofuran |
|---|---|
| Synonym | Tetrahydro-2,5-dimethoxyfuran {LY} Tetrahydro-2,5-dimethoxyfuran {} {LY} Tetrahydro-2,5-dimethoxyfuran {} {} {LY} Tetrahydro-2,5-dimethoxyfuran {} {} {} {LY} Tetrahydro-2,5-dimethoxyfuran {} {} {} {} {} {} {} {} {LY} Tetrahydro-2,5-dimethoxyfuran {} {} {} {} {} {LY} Tetrahydro-2,5-dimethoxyfuran {} {} {} {} {} {} {LY} Tetrahydro-2,5-dimethoxyfuran {} {} {} {} {} {} {} {LY} Tetrahydro-2,5-dimethoxyfuran {} {} {} {} {} {} {} {} {LY} Tetrahydro-2,5-dimethoxyfuran {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Tetrahydro-2,5-dimethoxyfuran {} {} {} {} {} {} {} {} {} {} {LY} Tetrahydro-2,5-dimethoxyfuran {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Tetrahydro-2,5-dimethoxyfuran {} {} {} {} {} {} {} {} {} {} {} {} {LY} Tetrahydro-2,5-dimethoxyfuran {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Tetrahydro-2,5-dimethoxyfuran {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Tetrahydro-2,5-dimethoxyfuran |
| CAS Number | 696-59-3 |
| PubChem Substance ID | 79098 |
| EC Number | 211-797-1 |
| Beilstein Registry Number | 104261 |
| MDL Number | MFCD00005359 |
| Reaxys-RN | 104261 |
| Chemical Name Translation | 2,5-二甲氧基四氢呋喃 |
| InChIKey | GFISDBXSWQMOND-UHFFFAOYSA-N |
| LabNetwork Molecule ID | LN00195115 |
| InChI | InChI=1S/C6H12O3/c1-7-5-3-4-6(8-2)9-5/h5-6H,3-4H2,1-2H3 |
| Canonical SMILES | COC1CCC(OC)O1 |
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分类
- {SNA} Building Blocks, C4 to C7, Chemical Synthesis, Furans, Heterocyclic Building Blocks
产品应用
- 该品为抗胆碱药物阿托品硫酸盐的中间体。还用作照相坚膜剂。
相关文献及参考
- Beilstein: 17,V,5,4
- Cyclic acetal and in situ source of succindialdehyde.
- N-substituted pyrroles have also been formed with sulfonamides and primary amides. P2O5 has been reported to give superior results in this type of reaction: Synth. Commun., 25, 1857 (1995).
- Reacts with primary amines in boiling acetic acid to give N-substituted pyrroles: Acta Chem. Scand., 6, 667, 867 (1952); J. Heterocycl. Chem., 27, 1805 (1990); Org. Synth. Coll., 5, 716 (1973). Conversion to 1,4-dichloro-1,4-dimethoxybutane with TMS chloride allows cyclization with Amberlyst. A-21 resin, avoiding acidic conditions: J. Org. Chem., 48, 3059 (1983). Chiral 1-substituted pyrrole derivatives have been prepared using amino acids: Tetrahedron: Asymmetry, 7, 1069 (1996):
安全信息
GHS Symbol
- H226 Flammable liquid and vapour 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
- H331 Toxic if inhaled 吸入中毒
- 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。
- P240 Ground/bond container and receiving equipment. 与地面接触/连接集装箱和接受设备。
- 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。
- P280P305+P351+P338
- P301+P312
- P302+P352
- P302+P352+P332+P313+P362+P364
- P303+P361+P353
- P304+P340
- P305+P351+P338
- 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
- P370+P378
- P501 Dispose of contents/container to..… 处理内容物/容器.....
- R10 Flammable 易燃
- R20 Harmful by inhalation 吸入有害
- R20/21 Harmful by inhalation and in contact with skin 吸入及与皮肤接触有害
- 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
- S16 Keep away from sources of ignition - No smoking 远离火源，禁止吸烟；
- 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；
其他信息
- 方法一:由2,5-二甲氧基二氢呋喃（[332-77-4]）经催化氢化而得。将呋喃用甲醇醚化，在接近常压下催化氢化也可以制备该品，但收率较低。
- Alfa Aesar:2,5-二甲氧基四氢呋喃,cis+trans,98% 2,5-Dimethoxytetrahydrofuran, cis + trans, 98%(696-59-3)
- 图谱信息:2,5-二甲氧基四氢呋喃(696-59-3)红外图谱(IR2) 2,5-二甲氧基四氢呋喃(696-59-3)质谱(MS) 2,5-二甲氧基四氢呋喃(696-59-3)红外图谱(IR1)
- Sigma Aldrich:696-59-3(sigmaaldrich)
- 下游产品:Α-甲酰基苯乙酸8-(1-甲基乙基)-8-氮杂双环[3.2.1]辛酯 --> Α-(羟甲基)苯乙酸8-(1-甲基乙基)-8-氮杂双环[3.2.1]辛-3-基酯 --> 2,3-萘基二缩醛 --> 3-(1H-吡洛-1-基）噻吩-2-羧酸
- Acros Organics:2,5-二甲氧基四氢呋喃(顺反混合) 2,5-Dimethoxytetrahydrofuran, mixture of cis- and trans isomers, 99%(696-59-3)
- MSDS 信息:2,5-Dimethoxytetrahydrofuran(696-59-3).msds
- 上游原料:氢氧化钠 --> 甲醇 --> 乙醚 --> 四氢呋喃 --> 甲苯 --> 碳酸钾 --> 碳酸钠 --> 溴 --> 硫酸镁 --> 苯 --> 氢 --> 二氧化碳 --> 镍 --> 呋喃 --> 乙酸钾 --> 铝镍合金 --> 2,5-二甲氧基-2,5-二氢呋喃 --> 碳酸钾-13C
- 2,5-二甲氧基四氢呋喃价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2014/06/02 D0986 2,5-二甲氧基四氢呋喃 (顺反异构体混和物) 2,5-Dimethoxytetrahydrofuran (cis- and trans- mixture) 500G 1150元 2014/06/02 D0986 2,5-二甲氧基四氢呋喃 (顺反异构体混和物) 2,5-Dimethoxytetrahydrofuran (cis- and trans- mixture) 25G 180元 2010/06/21 115671000 2,5-二甲氧基四氢呋喃 2,5-Dimethoxytetrahydrofuran 99%, mixture of cis- and trans isomers 100 GR 400元
- 海关编码:29321900
- MOL 文件:696-59-3.mol
- 能与水、乙醇、乙醚及大多数有机溶剂混溶。受热易分解。水中溶解度:350 g/l (20°C)。
- TCI Shanghai:2,5-二甲氧基四氢呋喃 (顺反异构体混合物) 2,5-Dimethoxytetrahydrofuran (cis- and trans- mixture),>;98.0%(GC)(696-59-3)
- 用途一:该品为抗胆碱药物阿托品硫酸盐的中间体。还用作照相坚膜剂。
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