Diethylene Glycol
What is Diethylene Glycol or DEG?
DEG is soluble in water, alcohol, ether, acetone and ethylene glycol, and this compound is widely used as industrial solvent, as well as its families. Note that this material has a higher molecular weight than EG and has less ferrity as a result of different applications.
How to prepare and produce diethylene glycol
DEG is generally made of partial hydrolysis of ethylene oxide, due to the conditions may produce different comparisons of diethylene glycol or even other types of glycol family. Its structural image is as follows.
It is obtained as a common product along with monoethylene glycol triethylene glycol. In this industry, the main goal is to maximize the production of monoethylene glycol because on the other hand monoethylene glycol has a higher value than other families and on the other hand, the demand for DEG is at the request and market need for monoethylene glycol derivatives.
The authenticity of buying chemicals is a point to consider. The presence of counterfeit chemicals can cause huge damages, among which this compound and glycerin are substances that should be taken into care when purchasing it.
Diethylene glycol applications
It is directly used in the production of polyester resins, polyethane and saturated and unsaturated plasticizers, as well as structural blocks of some organic synthesis such as morphine and 1 and 4 dioczane.
Other major applications of this material are the use as solvents of some materials such as nitrocelluloses, resins, paints, oils and other organic compounds.
This material is also a tobacco diluent, cork, printing ink. Glue as well.
Other uses of DEG are in lubricants, cooking fuels, wallpaper strips and brake fluid, in personal care products such as skin creams and lotions, deodorants are also used.
Antifreeze ethylene glycol also contains a low percentage of diethylene glycol.
We have talked in other articles about the characteristics and characteristics of the two co-family of this material called monoethylene glycol MEG and triethylene glycol TEG , if you wish, you can read more about these chemicals on the relevant pages.
The dangers of diethylene glycol
As mentioned in previous sections, one of the characteristics of diethylene glycol is its toxicity. Deg toxicity was first discovered in 1937, but the information available for its effect on humans is limited and insufficient, some researchers estimate the toxic dose limit for this substance to be 0.14 mg/kg of body weight, and on the other hand, the number between 1 and 1.63 grams per kilogram of body weight is considered fatal. in their products and process.
Even some countries have strict rules regarding the use of this substance, the federal government has put less than 0.2% on the agenda regarding the use of this solvent as a foreground for the manufacture of polyethylene glycol, which itself is used in the food industry.
Not only has the Australian government not allowed any of its companies to use in the food industry, but it has also imposed restrictions on the use of this substance in the production of toothpaste.
According to the given explanations, we find that specifically when facing dyethylene glycol and using it, we must observe all safety levels.
Its toxicity effect exists in addition to humans on animals.
The main ways of effect and absorption of diethylene glycol through the mouth and then the skin, the main effects on the digestive system, intestines and stomach, and also with the help of blood flow can disrupt the function of the body's systems.
The initial symptoms that appear after absorption of toxic diethylene glycol in the body are as follows.
Gastrointestinal symptoms: nausea, vomiting, abdominal pain and diarrhea Some early neurological symptoms and central depression, coma and mild hypotension have also been reported in some cases.
The effect of diethylene glycol appears over a period of 1 day to two weeks, and as the absorption time passes, it will have more metabolism with other body materials and will have more severe side effects.