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How do propylene glycol and polyethylene glycol differ

Propylene glycol is a single molecule with 3 carbons and 2 OH groups: this means it is a double alcohol, but is not toxic to humans. Ethylene glycol has 2 carbons and 2 OH groups: it is metabolized to TOXIC oxalic acid, wherein each carbon is oxid

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Propylene Glycol in E

The mixture used in these machines almost always contains propylene glycol. Even though other glycols (or even oils) can be used too, the evidence on them can be roughly applied to vaping. Because they work in a similar way, the minor contaminants in vapour are also found in fog machines.

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Overview of Ethylene Glycol Toxicity

All animals are susceptible to ethylene glycol (EG) toxicity, but it is most common in dogs and cats. Most intoxications are associated with ingestion of antifreeze, which is typically 95% EG. These 95% commercial antifreeze preparations are diluted ~50% with water when used in vehicle cooling systems.

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Ethylene Glycol

which contains information on oral chronic toxicity and the RfD, and the carcinogenic effects of ethylene glycol, and the Agency for Toxic Substances and Disease Registry's Toxicological Profile for Ethylene Glycol and Propylene Glycol. (2) Uses Ethylene glycol is used as antifreeze in cooling and heating systems, in hydraulic brake fluids, as an

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United States Office of Environmental Revised December

'certain glycol ethers' category, they must report the glycol ether component(s) that meet the category definition. Ethylene Glycol Ethers versus Propylene Glycol Ethers The members of this category are glycol ethers derived from ethylene glycol, diethylene glycol, and triethylene glycol.

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Ethylene Glycol and Propylene Glycol: Health Information

breakdown of ethylene glycol into several acidic byproducts. Propylene glycol can cause metabolic acidosis but it takes higher concentrations than ethylene glycol to produce this effect. Propylene glycol is also less acutely toxic than ethylene glycol because the acidosis that it causes does not result in the formation of calcium oxalate crystals.

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United States Office of Environmental Revised December

'certain glycol ethers' category, they must report the glycol ether component(s) that meet the category definition. Ethylene Glycol Ethers versus Propylene Glycol Ethers The members of this category are glycol ethers derived from ethylene glycol, diethylene glycol, and triethylene glycol.

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Antifreeze Ethylene Glycol and Propylene Glycol

Toxic: High level of acute when taken orally, targets the kidneys: - 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,

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Antifreeze Toxicoses

Propylene glycol is approximately 3 times less toxic in dogs than ethylene glycol. The oral LD 50 of PG in dogs is 22g/kg and according to a study, no clinical signs were seen when a dog was given an acute dose of 20 ml/kg. Propylene glycol is metabolized to lactate. In toxic quantities, acidosis, liver damage, and renal insufficiency are possible.

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Can we use glycols in natural cosmetics?

Ethylene glycol is synthesized from ethylene oxide, a highly toxic and carcinogenic gas. EG is the father of all PEG molecules, the infamous poly-ethylene-glycol molecules so widely applied in conventional cosmetics as solubilizers, emulsifiers, wetting

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Difference Between Ethylene and Propylene Glycol

May 01, 2012What is the difference between Ethylene Glycol and Propylene Glycol? • Ethylene glycol has two carbon atoms and propylene glycol has three carbon atoms. • Ethylene glycol has the chemical formula C 2 H 6 O 2.Propylene has the chemical formula C 3 H 8 O 2. • Ethylene glycol is more toxic than propylene glycol.

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Propylene glycol

Water-propylene glycol mixtures dyed pink to indicate the mixture is relatively nontoxic are sold under the name of RV or marine antifreeze. Propylene glycol is frequently used as a substitute for ethylene glycol in low toxicity, environmentally friendly automotive antifreeze.

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Antifreeze Ethylene Glycol and Propylene Glycol

Toxic: High level of acute when taken orally, targets the kidneys: - 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,

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REFERENCES

A report of accidental ethylene glycol ingestion in 2 siblings. Pathology 1995; 27:273. Baud FJ, Galliot M, Astier A, et al. Treatment of ethylene glycol poisoning with intravenous 4-methylpyrazole. N Engl J Med 1988; 319:97. Brent J, McMartin K, Phillips S, et al. Fomepizole for the treatment of ethylene glycol poisoning.

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OK To Winterize Engine With Propylene Glycol?

Nov 10, 2012Propolyne glycol is the way to go on marine diesels, as it is way less toxic then ethelyne glycol. You must use the pink propolyne antifeeeze if the engine is raw water cooled, as ethylene glycol is a LETHAL toxin to marine life ( anything else living).

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Propylene Glycol vs. Vegetable Glycerin

Propylene glycol is the more popular of the two compounds, when comparing propylene glycol vs. vegetable glycerin, because it is less thick, easier to handle, and gives a better throat hit. Safety * The one caution here is the production of formaldehyde from the vaping of an e-liquid, based on propylene glycol.

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Difference Between Ethylene and Propylene Glycol

Between the two, ethylene glycol (C 2H6O2) is a better heat transfer fluid than propylene glycol (C 3H8O2). Propylene glycol is less toxic and is considered when toxicity is a concern. Table 1 - Ethylene Glycol Versus Propylene Glycol Thermal Conductivities Temperature (F) Ethylene Glycol Thermal Conductivity [Btu/(hrft^2)(F/ft)] at 30% Volume

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UpToDate

UpToDate, electronic clinical resource tool for physicians and patients that provides information on Adult Primary Care and Internal Medicine, Allergy and Immunology, Cardiovascular Medicine, Emergency Medicine, Endocrinology and Diabetes, Family Medicine, Gastroenterology and Hepatology, Hematology, Infectious Diseases, Nephrology and

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What is the difference between ethylene glycol and

PROPYLENE GLYCOL. Propylene glycol is unique among the glycols in that its very low toxicity permits it to be taken internally. Because of this fact there are grades intended for industrial use and those intended for applications that may involve absorption into the human body.

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The difference between Propylene Glycol and Ethylene

The main difference between propylene glycol and ethylene is the level of toxicity. Propylene glycol has a very low toxicity, which is why it is also found in cosmetics and personal care products, whereas ethylene glycol is poisonous and must be handled with caution to restrict any human or animal exposure. So why not just use propylene glycol?

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Difference Between Ethylene Glycol and Polyethylene Glycol

Oct 18, 2016Key Difference – Ethylene Glycol vs Polyethylene Glycol Ethylene glycol and polyethylene glycol are two important members of the glycol family. The key difference between ethylene glycol and polyethylene glycol is their chemical structure. Ethylene glycol is a simple linear molecule, whereas polyethylene glycol is a polymeric material.

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Ethylene Glycol and Propylene Glycol Toxicity: Key

Dec 10, 2013Ethylene glycol ingestion first affects the central nervous system (CNS). After a characteristic latent period, signs of inebriation may be followed by serious illness and even death, caused by toxic metabolites. Propylene glycol, which is much less toxic than ethylene glycol, is metabolized to compounds that are normal constituents of the citric acid cycle.

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Propylene Glycol Toxicosis

Although less toxic than EG, ingestion of propylene glycol (PG) may be associated with a toxic syndrome similar to the acute phase of EG toxicosis. The oral LD 50 of PG in dogs is ~9 mL/kg. In cats, ingestion of a diet containing 6%–12% PG can result in Heinz

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Do Not Mix OAT's and EG's Antifreeze

Do Not Mix OAT's and EG's Antifreeze -- CO-121. The most common older type antifreeze is Ethylene-Glycol (which is toxic) and water (EGW). There is also Propylene-Glycol (which itself is non-toxic and is used as a food additive) and water (PGW). The more modern antifreeze is Organic Acid Technology (OAT) which is commonly touted as being

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Propylene glycol

Water-propylene glycol mixtures dyed pink to indicate the mixture is relatively nontoxic are sold under the name of RV or marine antifreeze. Propylene glycol is frequently used as a substitute for ethylene glycol in low toxicity, environmentally friendly automotive antifreeze.

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Propylene Glycol: Is This Additive Safe in Food and

Apr 08, 2018Propylene glycol is considered "generally" safe by the FDA. Most of the time, propylene glycol does not accumulate in your body, as it breaks down within 48 hours of ingestion or exposure. Propylene glycol is soluble in water. It may cause a variety of mild to moderate side effects in humans.

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Which to Use: Ethylene or Propylene Glycol?

Aug 01, 2017Ethylene glycol is toxic to humans and other mammals. A lethal dose of ethylene glycol for humans by ingestion is about three ounces (85 grams). Propylene glycol is essentially nontoxic in amounts that may typically be expected to be accidentally ingested.

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DOWTHERMTM and DOWFROSTTM Heat Transfer Fluids

Comparison of Ethylene Glycol vs. Propylene Glycol Dow Heat Transfer Fluids Product Information Solutions of both ethylene glycol (EG) and propylene glycol (PG) will effectively lower the freezing point of water and for most applications can be used interchangeably or even as mixtures of the two. While there are many minor variations

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Danger of Drinking Propylene Glycol

Apr 24, 2017Danger of Drinking Propylene Glycol (It is also used as a non-toxic alternative to the highly toxic antifreeze, ethylene glycol.) In this instance, the World Health Organization has determined that 25 milligrams of propylene glycol for every kilogram of body weight is an acceptable ingestion amount. In other words, a 150 pound person could

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Difference Between Ethylene Glycol and Propylene Glycol

Nov 15, 2017Ethylene glycol has two carbon atoms, and propylene glycol has three carbon atoms per molecule. These organic compounds have important applications depending on the chemical structure of the compound. The main difference between ethylene glycol and propylene glycol is that ethylene glycol is toxic whereas propylene glycol is moderately toxic

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