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Propylene Glycol and Polyethylene Glycol

Jul 06, 2016Propylene Glycol and Polyethylene Glycol – Ingredients Well Worth Avoiding There are many nasty ingredients out there, but in this post I want to touch on two that I find particularly bad: Propylene Glycol and Polyethylene Glycol.

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What Is Propylene Glycol? (And Is It Safe?)

Most propylene glycol is, however, still the synthetic petrochemical kind. What is propylene glycol used for? Propylene glycol is incredibly versatile — in just one product, it can have a variety of functions. It is also relatively cheap. For these reasons, propylene glycol is valuable in many industries.

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Antifreeze for hydronic systems

Antifreeze is commonly done but like anything else, you have to do it the right way. Do not use automotive antifreeze (ethylene glycol, which also has silicates). Use only propylene glycol such as Noble No-Burst or Downtherm products with inhibitors. Glycol is a sugar-alcohol type chemical.

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What is Propylene? (with pictures)

Jan 20, 2020A smaller percentage of propylene oxide is used in making propylene glycol (PG) and polypropylene glycol (PPG). PG can mix with water and is non-toxic. This makes it useful as a solvent in the pharmaceutical, food, and cosmetics industries. It is used in deodorant sticks, for example. PPG is a polymer of PG and cannot mix well with water.

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Mono Propylene Glycol

Mono propylene glycol is produced from propylene oxide. The most common process is by the non-catalytic hydrolysis of propylene oxide in a high-temperature and high-pressure environment. The second method is the catalytic one, which can proceed at 150 C, in the presence of ion exchange resin, or a small amount of sulphuric acid or alkali.

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Propylene Glycol: Is It Bad For Your Skin?

Propylene glycol is an organic, synthetic compound that absorbs water. It is used by the chemical, food and pharmaceutical industries in makeup, shampoos, cleansing creams, and other cosmetics, but the ingredient is used in a wide range of pharmaceuticals, foods,

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What Is Propylene Glycol and Why Is It in Our Food

May 24, 2018Propylene glycol as both a direct and indirect food ingredient additive is "Generally Recognized As Safe" (GRAS) by the US Food and Drug Administration (FDA). In Europe, it is only allowed to be used as a solvent or emulsifier, and must not exceed 0.45 grams per pound in

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The Safe Disposal of Propylene Glycol

Propylene glycol is used as a less environmentally-toxic antifreeze. It is not harmless; it is just less toxic than ethylene glycol used in most antifreeze. Finding a safe disposal method for propylene glycol can present a difficult task. The best solution is to reuse it, if possible. If this is not possible, then

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Common Foods and Drinks Hiding the Antifreeze Compound

Oct 30, 2014The chemical is used as a solvent and as the primary ingredient in non-toxic antifreeze and as the e-liquid in e-cigarettes. Propylene glycol is considered safe by the FDA in small quantities, although it can be toxic in large doses. And it's more common than you think.

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10 Scary Facts About Propylene Glycol In Food Skin Care

Jun 21, 2017What propylene glycol is most commonly used for is as an antifreeze, solvent, and to promote moisture by the absorption of water. The applications are far reaching, ranging from the common de-icing spray used on commercial aircraft, to being a stabilizing agent in

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Is Propylene Glycol Safe?

Dec 15, 2014Propylene glycol can only be toxic if used intravenously at high dosage or when applied to compromised skin (burns). Once ingested, PG is either excreted in the urine or is metabolized to lactic acid, a normal metabolic product. Ethylene glycol (used in car antifreeze) is toxic because it is metabolized to oxalic acid, which is toxic.

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Toxicity of Propylene Glycol Anti

Sep 03, 2015Properties of propylene glycol used as an RV or heating boiler antifreeze and in other applications. This article series describes how to add anti-freeze to a heating boiler and to the hot water or hydronic heating system piping, baseboards, convectors, radiators, etc. to protect the system from freeze damage.. We also provide a MASTER INDEX to this topic, or you can try the page top or

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Antifreeze Ethylene Glycol and Propylene Glycol

Comparing Secondary Coolants - Specific gravity, freezing points and viscosity for secondary coolants like calcium chloride, sodium chloride, ethylene glycol and propylene glycol Ethylene - Density and Specific Weight - Online calculator, figures and tables showing density and specific weight of ethylene, C 2 H 4, at varying temperature and

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5 Signs You Have a Propylene Glycol Allergy Propylene

It can be hard to find products that are propylene glycol free because it is an ingredient that is found in many different personal care items including shampoos, conditioners and styling products. Beyond acting as a humectant in hair products, propylene glycol is also used in many personal care products as well as a preservative in food and

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How to match glycol levels to various HVAC systems

There are two basic types of glycols used in HVAC systems, propylene glycol and ethylene glycol. Both of these fluids have similar freeze protection and heat transfer characteristics with the main difference being that propylene glycol has a lower toxicity level.

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The Safe Disposal of Propylene Glycol

Propylene glycol is used as a less environmentally-toxic antifreeze. It is not harmless; it is just less toxic than ethylene glycol used in most antifreeze. Finding a safe disposal method for propylene glycol can present a difficult task. The best solution is to reuse it, if possible. If this is not possible, then

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What's The Safest Lube To Use? 4 Reasons To Use

May 18, 2016Strgar says the weight of propylene glycol alone, a very common ingredient in unnatural over-the-counter lubes, contains hyperosmolar cells that are 30 times heavier than that of natural human cells. It wears down on the healthy cells, sucks the moisture of

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Alternatives to propylene glycol and vegetable glycerin in

I use an 85/15 glycerin/glycol, so it is very vapor heavy. I understand that I could share that number a bit more, but then the throat hit is too much. What could I use to replace the glycerin mostly or entirely? Distilled water? Also, are there any other food safe/vaping safe glycols that might give me a better experience over propylene glycol?

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Questions and Answers about Propylene Glycol — IFIC Foundation

Nov 18, 2014Propylene glycol is a common ingredient found in many products we use in our daily life. Propylene glycol and other substances such as baking soda are often used in common foods, it also have a variety of uses outside of food, such as serving as an ingredient in many pharmaceutical, cosmetic, and personal care products.

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WATER TREATMENT PROGRAM FOR GLYCOL SYSTEMS

glycol should not be used in commercial or industrial glycol systems because their corrosion inhibitors have a limited useful life and they contain silicates which can foul or plug the system. If there is a concern that the glycol may be orally consumed, an industrial grade propylene based glycol should be used

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Propylene Glycol: The Good, the Bad and the Alternatives

Apr 30, 2008Propylene Glycol is a form of mineral oil, an alcohol produced by fermentation of yeast and carbohydrates. This gives it the designation of carbohydrate when used in foods. Because it comes in several grades, PG has been used for a variety of uses.

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Glycerine Substitutes

Also known as PG, propylene glycol is commonly used as a glycerin substitute in cosmetic and toiletry products because it is typically cheaper. Derived from petroleum, high-level and concentrated exposure to PG is believed to cause abnormalities of the liver, brain and kidneys.

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Propylene glycol

Propylene glycol is used as a solvent in many pharmaceuticals, including oral, injectable and topical formulations, such as for diazepam and lorazepam which are insoluble in water. Certain formulations of artificial tears, such as Systane, use proplyene glycol as an ingredient.

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Propylene Glycol

Propylene glycol, also known as 1,2-propanediol, is a synthetic (i.e., man-made) alcohol that attracts/absorbs water. It is a viscous, colorless liquid, which is nearly odorless but possesses a faintly sweet taste. Propylene glycol is one of the most widely used ingredients in cosmetics and personal care products, including facial cleansers

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Propylene Glycol vs. Dipropylene Glycol Fragrance Oils

Propylene glycol and Dipropylene glycol are derived from the same chemical process, adding water to propylene oxide. However, the molecular structure and chemical composition of each is very different. Though both are used in the cosmetics industry, dipropylene glycol is the preferred fragrance carrier oil for a number of reasons.

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Propylene Glycol Toxicity

The world health organization has established the maximum amount of propylene glycol that can be ingested in a single day and this is 25mg/kg. The amount that can be taken intravenously has not been set. Individuals that are at risk for a propylene glycol toxicity are those who are receiving Ativan and diazepam intravenously.

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Propylene Glycol for Skin: The Complete Guide

Sep 26, 2019How often can you use it: Propylene glycol is a safe ingredient to use regularly, provided that you do not have an allergy to it. Works well with: Because it has so many functions, there isn't a specific list of ingredients that it works well with. Don't use with: Propylene glycol works well with most, if not all, ingredients.

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Propylene vs Ethylene Glycol Antifreeze

There's no reason to use more antifreeze than is necessary for protection in your environment. #Winterization – As it relates to winterization propylene glycol is the fluid of choice because we are dealing with freeze protection and not engine operating heat transfer efficiency. Mercury Marine along with the majority of other marine engine manufacturers recommend the use of propylene glycol for the

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Can Polypropylene glycol be use in place of

Jul 27, 2010Glycol chiller used when beer brewing. This tasked with cooling the propylene glycol. its a food grade anti freeze which require to cool food products.But there are some restriction to use propylene and must to follow the USP grade.Its need chiller system which evolve with compressor, evaporator,condenser and pump.

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The Truth About Propylene Glycol, According to a Chemist

Propylene glycol in personal care products. It is an effective humectant. It is a solvent for fragrances and preservatives. It can be used as an emulsifier or co-surfactant. It is used as a solvent for pigments in cosmetics. It can be used as a preservative due to its antifungal and antimicrobial properties.

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