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Cooling Liquids for Rotary Evaporator Condensers Blog

Cooling Liquids for Rotary Evaporator Condensers Blog

Apr 11, 2016 Ethylene glycol can also be used and is more versatile than alcohols or water, as it has both a low freezing temperature and a high boiling point. Furthermore, its natural freezing temperature of - 12C can be depressed to -45C by creating a 60% ethylene glycol and 40% water solution. The downside is that ethylene glycol is moderately toxic, so like anything you …

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What is Glycol? How is it used in a Chiller? - JC Younger

What is Glycol? How is it used in a Chiller? - JC Younger

Apr 18, 2016 But what many don’t know is that glycol (also known as ethylene glycol) is also used as a refrigerant in beer chillers. Glycol chillers allow homebrewers to rapidly cool their worts below boiling temps to complete water condensation and convert starch into sugar; chilling also slows down yeast activity allowing time for accurate pitch rates ...

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Effect of Pressure on boiling pt. - Duratherm Fluids

Effect of Pressure on boiling pt. - Duratherm Fluids

Boiling Point of Coolant with Varying Percentages of Ethylene Glycol @t Atmospheric Pressure @ 15 P.S.I. Atmospheric 15 PSI (103 kPa) % E.G. B.P. C B.P. F B.P. C B.P. F 0 100C 212F 120C 248F 33 104C 219F 125C 257F 44 107C 224F 128C 262F 50 108C 227F 129C 265F 60 111C 232F 132C 270F Effect of System Pressure on Boiling Point

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Peroxide forming chemicals - Clemson University

Peroxide forming chemicals - Clemson University

Cumene Ethylene glycol dimethyl ether (glyme) Cyclohexene Furan Cyclooctene Methyl acetylene Diacetylene Methyl cyclopentane ... (i.e. rotovap, etc.). If peroxides are detected, do not use for any process that involves concentration …

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Ethylene Glycol Prices Historical Forecast Intratec.us

Ethylene Glycol Prices Historical Forecast Intratec.us

Ethylene Glycol (a.k.a. Monoethylene Glycol, MEG) is an organic compound, more specifically a diol (a chemical compound that contains two hydroxyl groups). It is a colorless, practically odorless, with low viscosity, hygroscopic liquid at room temperature. It is in fact the simplest diol and a major chemical commodity that, like other glycols ...

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Ethylene Glycol NIOSH CDC

Ethylene Glycol NIOSH CDC

Ethylene glycol (HOCH ₂ CH ₂ OH) is a colorless, syrupy liquid. It can harm the eyes, skin, kidneys, and respiratory system. Ethylene glycol can cause death if swallowed. Workers may be harmed from exposure to ethylene glycol. The level of exposure depends upon the dose, duration, and work being done.

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Ethylene Glycol - US EPA

Ethylene Glycol - US EPA

Ethylene Glycol 107-21-1 Hazard Summary Ethylene glycol has many uses, including as antifreeze in cooling and heating systems, in hydraulic brake fluids, and as a solvent. Acute (short-term) exposure of humans to ethylene glycol by ingesting large quantities causes three stages of health effects: central nervous system (CNS) depression, followed by

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Ethylene Glycol Heat-Transfer Fluid Properties

Ethylene Glycol Heat-Transfer Fluid Properties

Ethylene Glycol based water solutions are common in heat-transfer applications where the temperature in the heat transfer fluid can be below 32 o F (0 o C).Ethylene glycol is also commonly used in heating applications that temporarily may not be operated (cold) in surroundings with freezing conditions - such as cars and machines with water cooled engines.

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Ethylene Glycol - Major Uses

Ethylene Glycol - Major Uses

Ethylene Glycol CAS RN: 107-21-1 Major Uses. Both oil base and water base fracturing fluids are being used in the fracturing industry. Water base, which includes alcohol-water mixtures and low strength acids, make up the majority of treating fluids.

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ETHYLENE GLYCOL EGL - CAMEO Chemicals

ETHYLENE GLYCOL EGL - CAMEO Chemicals

ETHYLENE GLYCOL EGL 9.20 SATURATED LIQUID DENSITY Temperature (degrees F) Pounds per cubic foot 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 70.129 69.910 69.690 69.459 69.209 68.959 68.690 68.419 68.129 67.830 67.520 67.200 66.870 66.530 66.179 65.820 65.440 65.059 9.21 LIQUID HEAT CAPACITY Temperature (degrees …

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Ethylene Glycol Glycerol C5H14O5 - PubChem

Ethylene Glycol Glycerol C5H14O5 - PubChem

Ethylene Glycol Glycerol. SCHEMBL269832. DTXSID00930232. Ethane-1,2-diol--propane-1,2,3-triol (1/1) 138860-92-1. Molecular Weight. 154.16. …

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Ethylene Glycol: Human Health Aspects (CICADS 45 2002)

Ethylene Glycol: Human Health Aspects (CICADS 45 2002)

Ethylene glycol is a clear, colourless, odourless, relatively non-volatile, viscous liquid. It has a sweet taste and imparts a warming sensation to the tongue when swallowed. Ethylene glycol has a relatively low vapour pressure (7–12 Pa at 20 C) and a low Henry’s law constant of 5.8 10 –6 – 6.0 10 –3 Pam 3 /mol.

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Ethylene Glycol: Systemic Agent NIOSH CDC

Ethylene Glycol: Systemic Agent NIOSH CDC

Ethylene glycol toxicity is categorized into three broad overlapping stages of adverse health effects. Stage 1 (the neurological stage) lasts from 30 minutes to 12 hours after ingestion. Stage 2 (the cardiopulmonary stage) occurs between 12 and 24 hours after ingestion. Stage 3 (the renal stage) occurs between 24 and 72 hours after ingestion.

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Ethylene glycol-13C2 C2H6O2 - PubChem

Ethylene glycol-13C2 C2H6O2 - PubChem

Ethylene glycol-13C2 | C2H6O2 | CID 16213434 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities ...

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Ethylene Glycol - 1 2-Ethanediol - Sigma-Aldrich

Ethylene Glycol - 1 2-Ethanediol - Sigma-Aldrich

Ethylene Glycol. HOCH2CH2OH. Synonyms: 1,2-Ethanediol, Ethylene glycol, Ethylene Glycol. CAS 107-21-1. Molecular Weight 62.07. Browse Ethylene Glycol and related products at …

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Ethylene Glycol Price List in Global Market - ECHEMI

Ethylene Glycol Price List in Global Market - ECHEMI

Jan 14, 2022 Asian ethylene glycol market closing dynamics on 05,Apr 2022. Closing dynamics of polyester raw material market on 05,Apr 2022. Asian ethylene glycol market closing dynamics on 02,Apr 2022. Closing dynamics of polyester raw material market on 02,Apr 2022. Asian ethylene glycol market trading dynamics on 01,Apr 2022. Asian ethylene glycol market ...

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SAFETY DATA SHEET: ETHYLENE GLYCOL

SAFETY DATA SHEET: ETHYLENE GLYCOL

Jan 16, 2015 ETHYLENE GLYCOL 1. IDENTIFICATION PRODUCT NAME: ETHYLENE GLYCOL SYNONYMS: EG CAS NUMBER: 107-21-1 2. HAZARDS IDENTIFICATION HMIS (USA): Health - 2, Fire - 1, Reactivity - 0 MATERIAL USE: antifreeze, humectant, plasticiser, hydraulic fluid, solvent 3. COMPOSITION ETHYLENE GLYCOL 100% (107-21-1) 4. FIRST …

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Poly(trimethylene-ethylene ether) glycols - SUNKARA HARI B.

Poly(trimethylene-ethylene ether) glycols - SUNKARA HARI B.

Jul 17, 2003 [0041] Preferably the ethylene glycol reactant is selected from the group consisting of ethylene glycol, and oligomers of ethylene glycol having a degree of polymerization of 3 to 4, and mixtures thereof. [0042] In one preferred embodiment, the 1,3-propanediol reactant is 1,3-propanediol.

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Ethylene Glycol and Propylene Glycol Toxicity: Where Is Ethylene Glycol Found ...

Ethylene Glycol and Propylene Glycol Toxicity: Where Is Ethylene Glycol Found ...

Mar 20, 2020 Ethylene glycol is miscible with water. Its half-life ranges from 2 to 12 days in surface water and 4 to 24 days in groundwater. Bioconcentration and bioaccumulation are insignificant because ethylene glycol is not fat-soluble and biodegrades rapidly [Howard 1991]. Soil. Ethylene glycol will leach through soil to groundwater.

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Ethylene glycol poisoning: MedlinePlus Medical Encyclopedia

Ethylene glycol poisoning: MedlinePlus Medical Encyclopedia

Mar 21, 2022 Ethylene glycol poisoning. Ethylene glycol is a colorless, odorless, sweet-tasting chemical. It is poisonous if swallowed. Ethylene glycol may be swallowed accidentally, or it may be taken deliberately in a suicide attempt or as a substitute for drinking alcohol (ethanol). Most ethylene glycol poisonings occur due to the ingestion of antifreeze.

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Ethylene Glycol - Reactivities / Incompatibilities

Ethylene Glycol - Reactivities / Incompatibilities

Mixing ethylene glycol and 96% sulfuric acid in a closed container caused the temperature and pressure to increase. NFPA. Contact of aq ethylene glycol soln with DC-energized silvered copper wires causes ignition of the latter. Bare copper or nickel- or tin-plated wires were inert and silver-plated wire can be made by adding benzotriazole as a ...

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Mono Ethylene Glycol (CH2OH)2 Solventis

Mono Ethylene Glycol (CH2OH)2 Solventis

Mono ethylene glycol (also known as MEG, EG, 1,2-ethanediol or 1,2-Dihydroxyethane) is an organic compound with the formula C 2 H 6 O 2. It is a slightly viscous liquid with a clear, colourless appearance and a sweet taste that emits virtually no odour. It’s miscible with water, alcohols, and many other organic compounds and is primarily used ...

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Mono Ethylene Glycol MEG Ethylene Glycol RAHA Oil Co.

Mono Ethylene Glycol MEG Ethylene Glycol RAHA Oil Co.

Mono ethylene glycol (also known as MEG, EG, 1,2-ethanediol or 1,2-Dihydroxyethane) is an organic compound with the formula C2H6O2. It is a slightly viscous liquid with a clear, colourless appearance and a sweet taste that emits virtually no odour. It’s miscible with water, alcohols, and many other organic compounds and is primarily used in ...

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Poly(ethylene glycol) methacrylate Sigma-Aldrich

Poly(ethylene glycol) methacrylate Sigma-Aldrich

Poly (ethylene glycol) methyl ether methacrylate. Synonym (s): Methoxy poly (ethylene glycol) monomethacrylate, Methoxy PEG methacrylate, Poly (ethylene glycol) monomethyl ether monomethacrylate. Linear Formula: H2C=CCH3CO2(CH2CH2O)nCH3. CAS No.: 26915-72-0.

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Propylene Glycol Vs. Ethylene Glycol - Go Glycol Pros

Propylene Glycol Vs. Ethylene Glycol - Go Glycol Pros

Propylene Glycol vs Ethylene Glycol Toxicity. Toxicity level is one of the primary differences between propylene glycol and ethylene glycol antifreeze. In applications where toxicity is NOT a concern, ethylene glycol is often the heat transfer fluid of choice. Do not use ethylene glycol if there is the possibility of ingestion or incidental ...

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2L 5L rotovap machine cheap price - ZZKD INSTRUMENT

2L 5L rotovap machine cheap price - ZZKD INSTRUMENT

RE-2000B makes use of a two-line high-capacity blue backlit LCD because the interface, and the control half adopts high-performance MCU because the grasp chip.

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Mini small rotary evaporator china - ZZKD INSTRUMENT

Mini small rotary evaporator china - ZZKD INSTRUMENT

RE-2000E rotary evaporator is a rotary evaporator independently developed by our company. using double-line large-capacity blue backlight Liquid crystal display is used as the interface.

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Recirculating Chiller F-100 / F-105

Recirculating Chiller F-100 / F-105

Recirculating Chiller F-100 / F-105. The efficient way of cooling. BUCHI recirculating chiller versions with different performance options for your personal needs available. Remote controlled cooling allows easy operation. Very efficient distillation thanks to the complete integration of the cooling device in the evaporation system.

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Ethylene Glycol Toxicity - StatPearls - NCBI Bookshelf

Ethylene Glycol Toxicity - StatPearls - NCBI Bookshelf

Sep 28, 2021 Ethylene glycol (C2H6O2) is a toxic alcohol that is found in various household and industrial agents. The term “toxic alcohols” is a collective term that includes methanol, ethylene glycol, and isopropyl alcohol. Ethylene glycol exposure can be extremely dangerous, with significant morbidity and mortality if left untreated. Ethylene glycol is a colorless, sweet …

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Water-soluble xanthobilirubinic acids? SpringerLink

Water-soluble xanthobilirubinic acids? SpringerLink

Sep 30, 2008 3,4-Bis-(triethylene glycol methyl ether)-1H-pyrrole (7a; C 18 H 35 NO 8) Following the procedure in , pyrrole ester 8a (0.81 g, 1.60 mmol) was placed in a 100-cm 3 round-bottomed flask and dissolved in 50 cm 3 ethylene glycol. The solution was degassed on a high-vacuum pump for 2 h.

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Uncommon Polymer

Uncommon Polymer

Take this primary emulsion and sonicate at 160 W (30 s) on ice into 2 ml of 1% sodium cholate aqueous solution. The formed w/o/w emulsion is then diluted into 38 ml of a 0.5% sodium cholate aqueous solution under rapid magnetic stirring for 10 minutes. After 10 minutes, put solution in rotovap and heat to 40 C under vacuum to remove DCM.

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User Guide - WebstaurantStore

User Guide - WebstaurantStore

User Guide LM-Series MM-Series Compact Chillers 110-471 07 December 2020

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