Propylene Glycol


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Essay #: 063132
Total text length is 3,849 characters (approximately 2.7 pages).

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The beginning:
Propylene Glycol
Propylene Glycol, an organic compound with the formula HOCH2CH(CH3)OH is a clear liquid. It is also called 1,2-propanediol, 1,2-dihdroxypropane, methyl glycol and
glycol. Propylene glycol belongs to the propylene glycol series of solvents which includes
glycol and
- and
glycols are esters which can be formally considered products of condensation of two and three propylene glycol molecules. Propylene glycol is industrially the most important of the above. All compounds in this family have similar characteristics. Propylene glycol is a
alcohol or a double alcohol, meaning that it has two hydroxyl (-OH) groups in its molecular structure. Its boiling point is...
The end: high production neither North American nor European markets depend on imports of this chemical.
Due to its stability and very low toxicity, propylene glycol has no particular handling and storage precautions. It is usually transported in stainless steel or aluminium cylinders.
Propylene glycol is unique among the glycols in that it is safe for humans to take internally. Propylene glycol intended for human use is designated by a specific grade and is commonly found in foods, pharmaceuticals, cosmetics, and other applications involving possible ingestion or absorption through the skin. Most of the propylene glycol produced in the USA is used in the production of unsaturated polyester resins. 3 It is also used in food and cosmetic industry.