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What is propylene glycol?
Propylene glycol is an organic double alcohol with the formula C3H8O2. Known officially as propane-1,2-diol, it is clear, syrupy, faintly sweet, but nearly odorless. It is miscible with water, acetone, ethanol, diethyl ether, and chloroform.
What are the types of propylene glycol?
Propylene glycol is typically produced in two grades: technical or industrial grade, and USP/EP grade. The latter meets the requirements for the US Pharmacopiea and the European Pharmacopoeia, but this grade is also used in food, feed and personal care applications.
What are the properties of propylene glycol?
The propylene glycol molecule is chemically neutral, and it usually does not react with other substances. This is a particularly helpful property when seeking to combine contrasting chemical elements, for example in a perfume, to create a single, homogeneous fluid.
By emulsifying the active ingredients, which otherwise would not mix, the propylene glycol creates a stable homogeneous fluid that will allow the intended final product, be it a face cream or shampoo, for example, to do its job.
What are the uses of propylene glycol?
Propylene glycol has many applications, such as:
* a solvent
* connects and stabilises insoluble fluids (emulsifier)
* binds and transports other substances (excipient)
* holds and dissolves active ingredients in a medium
* attracts/holds water/moisture (hygroscopic)
* reduces the freezing point
* increases the boiling point
* offers outstanding stability with high flash and boiling points
How safe is propylene glycol?
Propylene glycol has been used safely and extgensively for over 50 years. It has been used in health-sensitive applications such as food, cosmetics and pharmaceuticals, where it mainly serves as non-active ingredient or carrier of other substances.
Studies have proven that propylene glycol has a very low degree of toxicity. In the body, propylene glycol is rapidly converted into lactic acid, in a similar manner to what happens with with sugar (energy) in the muscles during sports.
For the environment, studies have shown that propylene glycol is readily biodegradable.
Where can I buy propylene glycol?
You can buy online here at Bulk Propylene Glycol, a division of ChemWorld. Our products are manufactured to US FDA standards, guaranteeing you a product of superior quality. All products featured on site are in stock and ready to be shipped within 24 hours.
We typically ship the same day if ordered by 3pm EST. If it must ship today, please indicate so upon check out, we will contact you.
Bulk Propylene Glycol transit time:
Same day shipping on all containers and drums if ordered by 3pm EST.
For Rush Orders please call us:
Phone Direct (800) 768-5810
E-Fax (877) 209-1556