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DRE1002 2002 5002 rotary evaporator

Thionyl Chloride Rotary Evaporator

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D-RE-1010 D-RE-1020 D-RE-1050 rotary evaporator are the laboratory equipment sold by our company, with 10L 20L 50L capacity optional, and Power supply includes 220V50HZ and 110V 60HZ.

Acid Chlorides - Acyl Chlorides - Formation Synthesis

Acid Chlorides - Acyl Chlorides - Formation Synthesis

Acid Chloride Synthesis using Thionyl Chloride. The conversion of carboxylic acids to their corresponding acid chlorides occurs rapidly in the presence a tertiary amine base and 3,3-dichlorocyclopropenes via aromatic cation-activated nucleophilic acyl substitution. The effect of cyclopropene substituents on the rate of conversion is examined.

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 rotary evaporator

rotary evaporator

AnEssOil 2L Rotary Evaporator Rotavapor with Motor Lift Lab Equipment Digital Heating Bath,Condenser Full Set of Glassware Kits (300C (572F)) $ 1,850. 00. Get it Tue, May 24 - Wed, Jun 15. FREE Shipping. More Buying Choices (2 new offers) Buchi 048078 O-Ring Reflux Sealing System for R-210/R-215 Rotary Evaporators.

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How to use a Rotary Evaporator

How to use a Rotary Evaporator

Apr 01, 2010 The flask with the solution is placed on the rotary evaporator. The use of a bump trap prevents the solution from accidentally splashing into the condenser (and being contaminated). It is highly advisable to start with a clean bump bulb in case something bumps over after all! This would allow the experimenter to recover the solution or solid. 3.

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5.6A: Overview of Rotary Evaporation - Chemistry LibreTexts

5.6A: Overview of Rotary Evaporation - Chemistry LibreTexts

Apr 07, 2022 A rotary evaporator is essentially a reduced pressure distillation: a solution in a round bottomed flask is placed in the water bath of the apparatus (Figure 5.66a), and rotated while the system is partially evacuated (by a water aspirator or vacuum pump). The reduced pressure in the apparatus causes the solvent to boil at a lower temperature ...

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Rotary Evaporator for Chemistry Industries - De Dietrich

Rotary Evaporator for Chemistry Industries - De Dietrich

Concept. Rotary evaporators are mainly used to evaporate light boiling components under normal pressure or vacuum. When used in pilot plant and small scale production they are also suitable for semi-continuous evaporation. They are characterized by providing a gentle thermal treatment for temperature-sensitive mediums and provide a higher ...

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What are Applications of a Rotary Evaporator? - Rotovap

What are Applications of a Rotary Evaporator? - Rotovap

Dec 20, 2019 A rotary evaporator is electronically controlled so that the rotation of the flask can be kept at a constant speed, and the mixture can form a film on the inner surface of the flask, creating a larger surface for heating. All of these factors contribute to the faster evaporation speed of solvent, which means higher efficiency and better accuracy.

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How to Speed Up Your Rotary Evaporation Process

How to Speed Up Your Rotary Evaporation Process

Jun 26, 2019 Ideally, an evaporation flask should never be more than half full, both to prevent spillage and allow enough liquid surface area for efficient evaporation. 3. Increasing the Bath Temperature. The water bath is responsible for one of the ways in which a rotovap speeds up evaporation. The water bath heats the solvent, increasing the rate of ...

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What is a Rotary Evaporator? - Rotovap

What is a Rotary Evaporator? - Rotovap

Mar 25, 2019 A rotary evaporator (rotovap or rotavap) refers to a kind of equipment for solvent evaporation under reduced pressure, which is composed of a vacuum system, a heated water or oil bath, a condenser and a motor that rotates the evaporation flask. As its name suggests, what is special is that the evaporation flask can rotate.

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Thionyl chloride Results - AEGL Program US EPA

Thionyl chloride Results - AEGL Program US EPA

May 05, 2021 Thionyl Chloride Interim AEGL Document. NR = Not recommended due to insufficient data. IMPORTANT NOTE: Interim AEGLs are established following review and consideration by the National Advisory Committee for AEGLs (NAC/AEGL) of public comments on Proposed AEGLs.Interim AEGLs are available for use by organizations while awaiting …

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Rotary Evaporators - discounted pricing on our wide range

Rotary Evaporators - discounted pricing on our wide range

New RE100-Pro rotary evaporators from Wolflabs have been added. LCD Digital Rotary Evaporator is an essential instrument in chemical laboratories for the efficient and gentle removal of solvents from samples by evaporation. It offers …

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Thionyl Chloride - Finar Chemicals

Thionyl Chloride - Finar Chemicals

Nov 30, 2012 Thionyl chloride MSDS Section 1: Chemical Product and Company Identification Product Name: Thionyl chloride Catalog Codes: 11843 CAS#: 7719-09-7 RTECS: XM5150000 TSCA: TSCA 8(b) inventory: Thionyl chloride CI#: Not available. Synonym: Sulfurous oxychloride; Sulfinyl chloride; Sulfur chloride oxide; Sulfurous dichloride; Thionyl dichloride

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Rotary Evaporator-Rotovap- Vacuum Rotavap - UD Technologies

Rotary Evaporator-Rotovap- Vacuum Rotavap - UD Technologies

Rotary Film Evaporator -50 liter. The UD large scale evaporators 20-50-100 are perfectly designed for a lot of different distilling processes, from standard evaporation without vacuum control up to complex distillation processes with vacuum control. Aspects such as safety, convenience and cost savings have been considerably taken into account ...

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Advantages and Special Characteristics of Lithium Thionyl Chloride ...

Advantages and Special Characteristics of Lithium Thionyl Chloride ...

Sep 04, 2019 Lithium thionyl chloride batteries are very durable and have a very good shelf life. The self-discharge rate of only 1% per year speaks for itself. The longevity of lithium thionyl chloride batteries is due to the chemistry of the cell. Unlike other lithium primary cells, the lithium thionyl chloride cell undergoes a chemical reaction between ...

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Thionyl Chloride - Chemistry LibreTexts

Thionyl Chloride - Chemistry LibreTexts

Sep 12, 2020 Thionyl chloride has a nauseating sickly-sweet odor to it that imprints itself forever upon your memory. One accident that occurred during my time as a TA involved a student dropping a flask with 5 mL of thionyl chloride into a rotovap bath outside the fume hood. The cloud of \(SO_2\) and \(HCl\) that formed cleared the teaching lab for half an ...

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Efficient Determination of Trace Thionyl Chloride in the

Efficient Determination of Trace Thionyl Chloride in the

Sep 18, 2020 A method involving pyrolysis pretreatment followed by ion chromatography was developed to determine the residual thionyl chloride in levetiracetam. Levetiracetam was combusted at high temperature. After the pyrolysis gas was absorbed, the sulfur in thionyl chloride was converted to sulfate, which were determined by ion chromatography with …

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Thionyl chloride - Sciencemadness Wiki

Thionyl chloride - Sciencemadness Wiki

Sep 25, 2020 Thionyl chloride is an inorganic compound with the chemical formula SOCl2. It is an extremely useful compound in chemistry, but it is extremely dangerous and toxic. Thionyl chloride is sometimes confused with sulfuryl chloride, SO 2 Cl 2, but the properties of these compounds differ significantly: Thionyl chloride is a source of chloride ions ...

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LITHIUM THIONYL HLORIDE BATTERY E - biz.maxell

LITHIUM THIONYL HLORIDE BATTERY E - biz.maxell

The lithium thionyl chloride battery uses liquid thionyl chloride (SOCl2) as its positive active material, and lithium (Li) as its negative active material. The reactions of the battery are shown below. ˜ Battery reactions Positive reaction: 2SOCl 2+4Li ++4e- ˜ 4LiCl+S+SO 2 Negative reaction: Li ˜ Li++e-Total reaction: 2SOCl 2+4Li ˜ 4LiCl+S ...

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Thionyl Chloride - an overview ScienceDirect Topics

Thionyl Chloride - an overview ScienceDirect Topics

The thionyl chloride-mediated halolactonization of γ-keto carboxylic acids allows cyclic α-chloroalkyl esters to be prepared in high yield.The standard reagent used for this transformation is SOCl 2 (Table 8, entries 1–3 and 6–7), although (COCl) 2 (Table 8, entry 4), PCl 3 (Table 8, entry 5), and PCl 5 (Table 8, entry 8) have also been successfully used.

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Thionyl chloride benzotriazole C6H5Cl2N3OS - PubChem

Thionyl chloride benzotriazole C6H5Cl2N3OS - PubChem

thionyl chloride benzotriazole. SCHEMBL2302291. Molecular Weight: 238.09. Component Compounds: CID 24386 (Thionyl chloride) CID 7220 (1H-Benzotriazole) Dates: Modify . 2022-04-23. Create . 2015-02-02. Contents. 1 Structures Expand this section. 2 Names and Identifiers Expand this section.

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Thionyl chloride reagent grade 97 7719-09-7

Thionyl chloride reagent grade 97 7719-09-7

Thionyl chloride is an inorganic acid chloride mainly used as a reagent to prepare carboxylic acid chlorides from carboxylic acids. Application. Thionyl chloride may be used in the following processes: To facilitate the synthesis of indenones from 3-hydroxyindanones via dehydroxylation.

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Thionyl Chloride at Thomas Scientific

Thionyl Chloride at Thomas Scientific

Thionyl chloride solution, 2.0 M in methylene chloride MilliporeSigma CAS Number: 2125597 Formula: Cl2OS Formula Weight: 118.97 Linear Formula: SOCl2 MDL No.: MFCD00011449 Density: 1.373 g/mL at 25 C UNSPSC Code: 12352300

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Thionyl Chloride - an overview ScienceDirect Topics

Thionyl Chloride - an overview ScienceDirect Topics

Thionyl chloride was added to pyridine carboxylic acids 50b–50d with stirring. The mixture was refluxed for 1 h. After evaporation of solvent, a pure white crystalline residue of hydrochloride of 52b–52d was obtained. In solution of 52b–52d in dry pyridine, eugenol was added drop by drop at room temperature. The mixture was refluxed with stirring in oil bath for 4 h.

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Thionyl chloride - Sandvik Materials Technology

Thionyl chloride - Sandvik Materials Technology

Thionyl chloride. These corrosion data are mainly based on results of general corrosion laboratory tests, carried out with pure chemicals and water solutions nearly saturated with air (the corrosion rate can be quite different if the solution is free from oxygen). All concentrations are given in weight-% and the solvent is water if nothing else ...

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Author: Subject: Vacuum Distillation of SOCl2 (thionyl chloride)

Author: Subject: Vacuum Distillation of SOCl2 (thionyl chloride)

Vacuum Distillation of SOCl2 (thionyl chloride) I'm currently doing a synthesis where I convert a carbolic acid into the corresponding acid chloride by refluxing in SOCl2. The problem is getting rid of the SOCl2 when finished. I have tried doing the distillation using the vacuum attached to my Schlenk line, and this completely ruined the tygon ...

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THIONYL CHLORIDE CAMEO Chemicals NOAA

THIONYL CHLORIDE CAMEO Chemicals NOAA

Violently reacts with water to liberate hydrochloric acid and sulfur dioxide [NFPA 10th ed. 1991]. Thionyl chloride reacts vigorously with water to generate gaseous HCl and SO2. Based on a scenario where the chemical is spilled into an excess of water (at least 5 fold excess of water), half of the maximum theoretical yield of Sulfur Dioxide gas ...

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