Propylene glycol is a synthetic food additive that belongs to the same chemical group as alcohol. It is a colorless, odorless, slightly syrupy liquid that is a bit thicker than water. It is commonly used as an additive to aid in the processing of foods and improve their texture, flavor, appearance, and shelf life. It is also used in cosmetics, medicines, brake and hydraulic fluids, antifreezes, flavorings, and perfumes. Here are some positive and negative aspects of propylene glycol:
Positive:
- It is deemed generally safe by US and European food authorities.
- It is used to absorb extra water and maintain moisture in certain medicines, cosmetics, or food products.
- It is a solvent for food colors and flavors.
Negative:
- Its use in antifreeze has caused some health concerns.
- It has been associated with irritant and allergic contact dermatitis as well as contact urticaria in humans.
- It can cause skin, eye, or lung irritation.
- It can cause non-reproductive organ system toxicity.
Ingredients or materials:
- Chemical name: 1,2-Propanediol
- Synonyms: 1,2-Dihydroxypropane; Methyl Ethylene Glycol
- CAS Number: 57-55-6
- RTK Substance Number: 3595
- It is produced on a large scale primarily for the production of polymers.