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METHODE OF DEG PREPRATION

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16y ago

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What is the concentration of diethylene glycol allowed in toothpastes?

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What is Diethylene Glycol Monobutyl Ether?

It's a solvent. It's one of the glycol ethers, and they're used in paints and some inks. If you see the word "cellusolve," you're dealing with a glycol ether. There are differences between the glycol ethers, but they're close enough that they can interchange.


What is the best solvent for glycerol?

The best solvent for glycerol is water because glycerol has high solubility in water. Other solvents that can be used include ethanol and propylene glycol.


What structural feature makes glycerol a polar molecule?

The OH's in glycerol are what make it polor. They lead to the formation of a dipole. As they do in Alcohol and Glycol.


Di glycol amine molecular formula?

Diglycolamine has a molecular formula of C4H11NO2. This means it has 4 carbon atoms, 11 hydrogen atoms, a single nitrogen atom, and two oxygen atoms.


What one what alcohols could be the alcohol portion of a wax ethylene glycol glycerol 1-triacontanol or none?

Ethylene glycol and glycerol are commonly used as alcohols in waxes. Triacontanol is not typically used in waxes but is used as a plant growth stimulant.


What were some major problems caused by not testing drugs?

The sulfa drug in diethylene glycol, now the main ingredient in radiator antifreeze was used and people died from kidney failure.


Is Di-ethylene glycol a Multihydricalcohol?

no, you are mistaking di-ethylene for di-ethyline , hope this helps


Why is glycerol heavier than ethylene glycol?

Glycerol is heavier than ethylene glycol because it has a higher molecular weight and more hydroxyl groups, which contribute to its increased density. This increased density results in a higher mass per unit volume compared to ethylene glycol.


Anhydride with ethylene glycol versus phthalic anhydride with glycerol?

You get a polymer! When you have ethylene glycol react with phtalic anhydride in a basic sollution such as NaOH(aq) you'll get a linear polymer. When you have glycerol react with phtalic anhydride in the same way you'll get a crosslinked polymer. The important difference between glycerol and ethylene glycol is the amount of OH groups, and as we all know, the OH groups usually the group that reacts - particularly in the creation of polymers. So in this case your crosslinked polymer will be the glycerol as it has 3 OH groups. One in each end, allowing the molycule to connect with other molecules and create polymers, and one in the middle (connected to the 2nd Carbon Atom) allowing it to react with other polymers. I hope that sort of answers your question


How it is possible Diethylene glycol boiling point is 245 while its auto ignition temp is 225 deg and how it is safe during its distillation as its auto ignition temp is lower than its boiling?

yes its possible


What are types of cryoprotectant?

1. DMSO 2. Ethylene glycol 3. Glycerol 4. 2-Methyl-2,4-pentanediol 5. Propylene glycol 6. Sucrose 7. Methylcellosolve 8. Dimethylformamide