|
|
| | Hydroquinone bis(2-hydroxyethyl)ether Basic information |
| Product Name: | Hydroquinone bis(2-hydroxyethyl)ether | | Synonyms: | Vernatzer 30/10;Hydroquinone bis(2-hydroxyethyl)ether 99+%;2,2'-(p-Phenylenebisoxy)diethanol;Hydroquinone di(2-hydroxyeth;1,4-Di(2-hydroxyethoxy)benzene
Hydroquinone Bis(2-hydroxyethyl) Ether
Hydroquinone Di(2-hydroxyethyl) Ether;2,2'-(1,4-Phenylenebis(oxy))diethanol;Hydroquinone bis(2-hydroxyethyl) ether 98%;chain extender | | CAS: | 104-38-1 | | MF: | C10H14O4 | | MW: | 198.22 | | EINECS: | 203-197-3 | | Product Categories: | Benzene derivates | | Mol File: | 104-38-1.mol |  |
| | Hydroquinone bis(2-hydroxyethyl)ether Chemical Properties |
| Melting point | 100-102 °C(lit.) | | Boiling point | 185-200 °C (0.3 mmHg) | | density | 1.0143 (rough estimate) | | vapor pressure | 0.45Pa at 45℃ | | refractive index | 1.4720 (estimate) | | storage temp. | Inert atmosphere,Room Temperature | | pka | 13.99±0.10(Predicted) | | form | Crystalline Powder or Flakes | | color | White to off-white | | Odor | odorless | | Water Solubility | practically insoluble | | Sensitive | Hygroscopic | | InChIKey | WTPYFJNYAMXZJG-UHFFFAOYSA-N | | LogP | 0.41 at 30℃ | | CAS DataBase Reference | 104-38-1(CAS DataBase Reference) | | EPA Substance Registry System | Ethanol, 2,2'-[1,4-phenylenebis(oxy)]bis- (104-38-1) |
| Safety Statements | 24/25 | | WGK Germany | 1 | | Autoignition Temperature | 874 °F | | TSCA | Yes | | HS Code | 29094990 |
| | Hydroquinone bis(2-hydroxyethyl)ether Usage And Synthesis |
| Description | Hydroquinone bis(2-hydroxyethyl) ether (HQEE) is a kind of polyurethane chain extender synthesized by hydroquinone (HQ) and ethylene oxide (EO). With different molar ratios of hydroquinone bis(2-hydroxyethyl)ether (HQEE)/1,4-butanediol 9/91, 18/82 and 27/73, a series of thermoplastic poly(butylene-co-hydroquinone bis(2-hydroxyethyl)ether terephthalates) (PBHT) were synthesized via melt polycondensation. The incorporation of the HQEE group significantly improved the thermal properties of the polymers. However, HQEE did not change the crystal structure of PBT. The Tm values of the copolymers decreased (from 208?°C to 174?°C) with increasing content of HQEE segments, on the contrary, Tg values increased (from 37?°C to 43?°C)[1-2].
| | Chemical Properties | white to off-white crystalline powder or flakes | | Uses | Hydroquinone bis(2-hydroxyethyl) ether is used to produce 1,4-bis-(2-bromo-ethoxy)-benzene. | | Uses | Preparation of polyester, polyolefins, polyurethanes, and hard waxy resins, organic synthesis. | | Synthesis Reference(s) | Tetrahedron Letters, 29, p. 163, 1988 DOI: 10.1016/S0040-4039(00)80042-8 | | Flammability and Explosibility | Non flammable | | References | [1] Mei-Fei Wang. “Separation and Identification of Relative Substances in Polyurethane Chain Extender Hydroquinone Bis(2-hydroxyethyl) Ether by High Performance Liquid Chromatography with Photodiode Array Detection and Electrospray Ionization Mass Spectrometry.” Industrial Engineering Chemistry Research 48 5 (2009): 2487–2492.
[2] Long Gu. “Synthesis and characterization of poly(butylene terephthalates) modified by hydroquinone bis(2-hydroxyethyl)ether.” Journal of Macromolecular Science, Part A 18 1 (2019): 871–876. |
| | Hydroquinone bis(2-hydroxyethyl)ether Preparation Products And Raw materials |
|