What is the LD50 of propylene glycol?

Toxicological Data on Ingredients: Propylene glycol: ORAL (LD50): Acute: 20000 mg/kg [Rat].

How much propylene glycol is toxic to humans?

A safe maximum intravenous PG dose has not been reported in the literature. However, one study reported that serum levels of PG greater than 18 mg/dL can be toxic. Other investigators have shown that toxicity is most likely to occur when the serum PG concentrations exceed 25 mg/dL.

Can you overdose on propylene glycol?

Propylene glycol is a commonly used solvent for oral, intravenous, and topical pharmaceutical preparations. Although it is considered safe, large intravenous doses given over a short period of time can be toxic. Underlying renal insufficiency and hepatic dysfunction raise risk for toxicity.

Is propylene glycol a neurotoxin?

These are the most commonly found neurotoxic cosmetic ingredients along with the basics of what you’ll want to know about them. Because it is readily and easily absorbed into the skin, propylene glycol is an ingredient to avoid.

How much glycol is toxic?

In humans, the lethal dose of ethylene glycol is estimated to be in the range of 1,400–1,600 mg/kg. The orally lethal dose in humans has been reported to be of approximately 1.4 mL/kg of pure ethylene glycol [15].

Is polyethylene glycol toxic to humans?

In controlled amounts, polyethylene glycol is not harmful if ingested and is an ingredient in laxative medications. Ethylene glycol, by contrast, is very toxic and is best known for its use in antifreeze and deicer solutions.

Is polyethylene glycol safe for humans to ingest?

Polyethylene glycol 3350 is a nontoxic and highly soluble compound that is minimally absorbed in the gastrointestinal tract. Due to these properties, PEG acts as an osmotic agent, increasing fecal water content.

How does propylene glycol affect the brain?

PG produced a striking increase in AC-3 positive cells throughout the brain (Figure 1), as compared to saline-treated animals. The most severely affected areas were the caudate/putamen (CPu) and cortical regions (especially the retrosplenial, cingulate, and motor cortex).

How much polyethylene glycol can I take in a day?

Abstract. Objectives: Clinical studies in constipated adult patients have shown that a 17- or 34-g daily dose of polyethylene glycol (PEG) 3350 (MiraLax) is safe and effective for the treatment of constipation, with the best efficacy seen in wk 2 of treatment.

Can humans ingest polyethylene glycol?

Polyethylene glycol electrolyte solution can cause dangerous or life-threatening side effects in people with these conditions. People with eating disorders (such as anorexia or bulimia) should not use this medicine without the advice of a doctor.

How long does polyethylene glycol take to kick in?

How long does polyethylene glycol take to work? It may take 2 to 4 days before a bowel movement occurs.