CAS: 959-26-2; Bis(2-Hydroxyethyl) Terephthalate

该化合物是一种有机化合物,其特点是其酯性功能组及其结构,源自磷酸;它是室内温度无色,粘粘液,可溶于水和各种有机溶剂;BHET主要用作生产聚酯的单体,特别是聚乙烯乙烯丙二甲酸酯(PET),该聚酯广泛用于制造塑料瓶,纺织品和胶片;化合物显示出良好的热稳定性和机械性能,适合聚合物工业的各种应用;此外,BHET可通过对PET废物进行玻璃解析而产生,突出其在回收过程中的潜力;其化学公式反映了与聚苯二甲酸盐酸盐混合物相连的两个氢氧乙基乙酸组的存在,有助于其在聚合合成中的再活性和功能;安全数据表明,虽然普遍认为乙酰乙酸酯一般具有低毒性,但在其使用和加工过程中应观察适当的处理和安全措施.

英文名称Bis(2-Hydroxyethyl) Terephthalate
中文名称对苯二甲酸双(2-羟乙基)酯
IUPAC名称bis(2-hydroxyethyl) terephthalate
其它别名C8X; Terephthalic Acid, Bis(2-Hydroxyethyl) Ester; Ethylene Glycol, Terephthalate (2:1); Terephthalicacidbis(2-Hydroxyethyl)Ester; 1,4-Bis(Hydroxyethyl) Terephthalate; Bis(2-Hydroxyethyl) Terephthalate #; Bis(2
CAS编号959-26-2
MFCD编号:MFCD00081066
EINECS号:213-497-6
分子式:C12H14O6分子量:254.24
产品CID: 2014404
产品分类化学试剂 → 有机试剂 → 酯类

相似结构搜索
产品信息参考;
InChIKey: QPKOBORKPHRBPS-UHFFFAOYSA-N
InChI=1S/C12H14O6/c13-5-7-17-11(15)9-1-2-10(4-3-9)12(16)18-8-6-14/h1-4,13-14H,5-8H2
计算化学: 氢键受体数6.0氢键供体数2.0可旋转键数8.0

物理性质

熔点106-109°C
沸点317.45°C (粗估)
闪点172 °C
密度1.2163 (粗估)
pKa:13.48±0.10(预测)
PSA:93.06
LogP:1.6 at 25°C
折射率1.4790 (估算)
蒸汽压0Pa at 20°C
溶解性DMSO (Slightly), Methanol (Slightly, Heated)
外观形态白色至类白色固体
储存条件室温, 置于惰性气氛下
产品应用该化合物用于合成分支聚乙烯聚乙烯乙烯甲丙烯.

欧盟法规

REACH注册ECHA物质C&L通报REACH预注册

上下游产品

oxirane terephthalic acid 1,4-benzenedicarboxylic acid dimethyl ester ethylene glycol(1),8(1,4),15(1)-tribenzena-pentadecaphane-14,154-dicarboxylic acid bis-(2-hydroxy-ethyl ester)2,7,9,14-tetraoxo-3,6,10,13-tetraoxa-1(1),8(1,4),15(1)-tribenzena-pentadecaphane-14,154-dicarboxylic acid bis-(2-hydroxy-ethyl ester) Terephthalic acid bis(2-hydroxyethyl) ester bis(TMS) ether mono(2-hydroxyethyl) terephthalic acid bis(2-hydroxy ethyl terephthaloyl) ethylene

合成工艺路线路线简述

24936-68-3 = 959-26-2
反应条件:1.1 Catalysts: Cyanamide Solvents: Ethylene Glycol; 5 H,190 °C
标题:Cyanamide As A Highly Efficient Organocatalyst For The Glycolysis Recycling Of Pet
作者:Wang,Zishuai; Jin,Yu; Wang,Yaoqiang; Tang,Zequn; Wang,Shaojie; Et Al
参考文献:Acs Sustainable Chemistry & Engineering 日期:2022 卷标:10(24) 页码:7965-7973]

107-21-1 + 100-21-0 = 959-26-2
反应条件:1.1 Catalysts: Pyrrolidinium,1-Ethyl-2-Oxo-1-(6-Sulfohexyl)-,Sulfate (1:1); 8 H,0.1 Mpa,160 °C
标题:Preparation Of Sulfonic Acid Functionalized Pyrrolidone Ionic Liquid Catalysts And Its Application In Esterification Reaction
参考文献:China]

25038-59-9 = 959-26-2
反应条件:1.1 Catalysts: 1H-Imidazolium,3-Butyl-1-Methyl-,(T-4)-Tetrachlorocobaltate(2-) (2:1) Solvents: Ethylene Glycol; 1.5 H,175 °C
标题:First-Row Transition Metal-Containing Ionic Liquids As Highly Active Catalysts For The Glycolysis Of Poly(Ethylene Terephthalate) (Pet)
作者:Wang,Qian; Geng,Yanrong; Lu,Xingmei; Zhang,Suojiang
参考文献:Acs Sustainable Chemistry & Engineering 日期:2015 卷标:3(2) 页码:340-348]

107-21-1 + 25038-59-9 = 959-26-2
反应条件:1.1 Catalysts: Cobalt Iron Oxide (Cofe2O4),1H-Imidazolium,1-Butyl-3-(9-Carboxynonyl)-,Acetate (1:1); 2.5 H,205 °C
标题:Glycolysis Of Polyethylene Terephthalate: Magnetic Nanoparticle Cofe2O4 Catalyst Modified Using Ionic Liquid As Surfactant
作者:Wang,Tianlin; Zheng,Yue; Yu,Guangren; Chen,Xiaochun
参考文献:European Polymer Journal 日期:2021 卷标:155]

107-21-1 + 25038-59-9 = 959-26-2
反应条件:1.1 Reagents: Sodium Hydroxide Solvents: Water; Rt -> 80 °C; 30 Min,80 °C1.2 Catalysts: Triethylamine Solvents: Water; 24 H,180 °C
标题:Catalytic Fabric Recycling: Glycolysis Of Blended Pet With Carbon Dioxide And Ammonia
作者:Yang,Yang; Sharma,Shriaya; Di Bernardo,Carlo; Rossi,Elisa; Lima,Rodrigo; Et Al
参考文献:Acs Sustainable Chemistry & Engineering 日期:2023 卷标:11(30) 页码:11294-11304]

25038-59-9 = 959-26-2
反应条件:1.1 Catalysts: Zinc Oxide (Zno) (Metal Heteroatom-Doped),Molybdenum Solvents: Ethylene Glycol; 1 H,Rt -> 180 °C
标题:Method For Alcoholysis Of Waste Polyethylene Terephthalate (Pet) With Ethylene Glycol Under Catalysis Of Metal Heteroatom-Doped Zinc Oxide
参考文献:China]

107-21-1 + 25038-59-9 = 959-26-2
反应条件:1.1 Catalysts: Zinc Acetate; 1 H,0.8 Bar,200 °C
标题:Dual Catalytic Activity Of Antimony (Iii) Oxide: The Polymerization Catalyst For Synthesis Of Polyethylene Terephthalate Also Catalyze Depolymerization
作者:Mohammadi,Somayeh; Enayati,Mojtaba
参考文献:Polymer Degradation And Stability 日期:2022 卷标:206]

25038-59-9 = 959-26-2
反应条件:1.1 Catalysts: Tert-Butylamine,Lithium Bromide Solvents: Ethylene Glycol; 10 Min,Ph 13,0.2 Atm,210 °C
标题:Efficient Method And Mechanism Of Depolymerization Of Pet Under Conventional Heating And Microwave Radiation Using T-Bunh2/lewis Acids
作者:Trejo-Carbajal,Nayely; Ambriz-Luna,Karina I.; Herrera-Gonzalez,Ana M.
参考文献:European Polymer Journal 日期:2022 卷标:175]

107-21-1 + 100-21-0 = 959-26-2
反应条件:1.1 Catalysts: 1H-Imidazolium,1-Methyl-3-(4-Sulfobutyl)-,2-Hydroxypropanoate (1:1); 10 H,0.115 Mpa,200 °C
标题:Preparation Of Sulfonic Acid Functionalized Imidazolium Ionic Liquid Catalysts And Its And Application
参考文献:China]

107-21-1 + 25038-59-9 = 959-26-2
反应条件:1.1 Catalysts: Manganese Oxide (Mno2),Graphene (Oxide); 10 Min,200 °C
标题:Synthesis Of Two-Dimensional Holey Mno2/graphene Oxide Nanosheets With High Catalytic Performance For The Glycolysis Of Poly(Ethylene Terephthalate)
作者:Jin,Se Bin; Jeong,Jae-Min; Son,Seon Gyu; Park,Seung Hwa; Lee,Kyoung G.; Et Al
参考文献:Materials Today Communications 日期:2021 卷标:26]

25038-59-9 = 959-26-2
反应条件:1.1 Catalysts: Iron Oxide (Fe3O4),3-Methylimidazolium Chloride (Reaction Product With Ferric Chloride) Solvents: Ethylene Glycol; 24 H,190 °C
标题:Paramagnetic Ionic Liquid-Coated Sio2@fe3O4 Nanoparticles-The Next Generation Of Magnetically Recoverable Nanocatalysts Applied In The Glycolysis Of Pet
作者:Cano,Israel; Martin,Carmen; Fernandes,Jesum Alves; Lodge,Rhys W.; Dupont,Jairton; Et Al
参考文献:Applied Catalysis 日期:2020 卷标:260]

25038-59-9 = 959-26-2
反应条件:1.1 Reagents: Ethylene Glycol Catalysts: Iron Oxide (Fe3O4),Carbon; 120 Min,190 °C
标题:Fe3O4-Boosted Mwcnt As An Efficient Sustainable Catalyst For Pet Glycolysis
作者:Al-Sabagh,A. M.; Yehia,F. Z.; Harding,David R. K.; Eshaq,Gh.; El Metwally,A. E.
参考文献:Green Chemistry 日期:2016 卷标:18(14) 页码:3997-4003]

107-21-1 + 25038-59-9 = 959-26-2
反应条件:1.1 20 Min,10 Atm,290 °C
标题:Depolymerization Method Of Polyester,And Recovery Process Of Polyester Raw Material Monomers Using The Solution Polymerization Process
参考文献:Japan]

107-21-1 + 120-61-6 = 959-26-2
反应条件:1.1 Catalysts: Titanium Isopropoxide,Phosphonic Acid,[2,4-Bis(Trimethoxysilyl)Butyl]-,Diethyl Ester,Polymer With D... Solvents: Benzene; 2 H,Rt1.2 2 H,160 °C
标题:Supported Catalysts Based On Phosphonate-Functionalized Siloxanes And Metal Compounds
参考文献:World Intellectual Property Organization]

25038-59-9 = 959-26-2
反应条件:1.1 Catalysts: Cobalt Iron Oxide (Cofe2O4); 2.5 H,195 °C
标题:Catalytic Glycolysis Of Polyethylene Terephthalate (Pet) By Solvent-Free Mechanochemically Synthesized Mfe2O4 (M = Co,Ni,Cu And Zn) Spinel
作者:Anggo Krisbiantoro,Philip; Chiao,Yu-Wen; Liao,Weisheng; Sun,Jih-Peng; Tsutsumi,Daiki; Et Al
参考文献:Chemical Engineering Journal (Amsterdam 日期:2022 卷标:450]

25038-59-9 = 959-26-2
反应条件:1.1 Reagents: Carbon Catalysts: Zinc Acetate Solvents: Ethylene Glycol; 90 Min,190 °C
标题:Method For Photothermal Degradation Of Polyester
参考文献:World Intellectual Property Organization]

107-21-1 + 25038-59-9 = 959-26-2
反应条件:1.1 Catalysts: Iron Oxide (Fe3O4) Solvents: Ethylene Glycol; 15 Min,220 °C
标题:Method For Degrading Waste Polyester Based On Magnetically Recyclable Nanocatalyst
参考文献:China]

107-21-1 + 25038-59-9 = 959-26-2
反应条件:1.1 Catalysts: Zinc Acetate; 8 H,Rt -> 190 °C
标题:Synthesis And Evaluation Of Bifunctional Monomers Derived From Postindustrial Pet As Crosslinking Agents For Acrylic Monomers
作者:Cruz-Aguilar,A.; Coreno,J.; Herrera-Gonzalez,A. M.
参考文献:Advanced Materials Research (Durnten-Zurich 日期:2014 卷标:976 页码:59-63]

107-21-1 + 25038-59-9 = 959-26-2
反应条件:1.1 Catalysts: Iron Oxide (Fe3O4) Solvents: Ethylene Glycol; 30 Min,210 °C
标题:Fe3O4 Nanodispersions As Efficient And Recoverable Magnetic Nanocatalysts For Sustainable Pet Glycolysis
作者:Sun,Qian; Zheng,Yuan-Yuan; Yun,Ling-Xia; Wu,Hao; Liu,Rong-Kun; Et Al
参考文献:Acs Sustainable Chemistry & Engineering 日期:2023 卷标:11(19) 页码:7586-7595]

107-21-1 + 25038-59-9 = 959-26-2
反应条件:1.1 Catalysts: Manganese Oxide (Mn3O4),Aluminum Magnesium Oxide (Al2Mgo4); 3 H,190 °C
标题:Highly Porous Magnesium Aluminum Oxide Spinel-Supported Manganese Oxide As Reusable Catalyst For Glycolysis Of Postconsumer Pet Waste
作者:Zhang,Haoxiang; Choi,Jong In; Choi,Jung-Weon; Jeong,Se-Min; Lee,Pyung-Soo; Et Al
参考文献:Journal Of Industrial And Engineering Chemistry (Amsterdam 日期:2022 卷标:115 页码:251-262

📜乙二醇置于1,8-二氮杂双环[5.4.0]十一碳-7-烯体系中,化学反应 0.11H,反应生成双(2-羟基乙基)对苯二甲酸酯
参考文献:Methods Of Depolymerizing Terephthalate Polyesters
标题:Methods Of Depolymerizing Terephthalate Polyesters
摘要:该方法包括形成反应混合物,其中包括苯二甲酸聚酯,含有2至5个碳原子的甘醇和酰胺催化剂;并将反应混合物加热至约120oc或更高的温度,以降解苯二甲酸聚酯,从而形成苯二甲酸酯反应产物,其中包括单体二羟基苯二甲酸酯;其中,苯二甲酸酯反应产物中含有苯二甲酸酯寡聚物的数量少于通过i)用等摩尔量的胍催化剂替代酰胺催化剂和ii)在其他条件相同的情况下降解苯二甲酸聚酯所产生的苯二甲酸酯寡聚物的数量.