Compound Q&A
What is Propylene Glycol (CAS: 57-55-6)?
Answer
Propylene glycol (CAS: 57-55-6) is a colorless, odorless, and viscous liquid with the chemical formula C3H8O2. It is a diol, meaning it contains two hydroxyl groups, and is commonly used as a humectant, solvent, and antifreeze agent. This compound is miscible with water and has a high boiling point, which contributes to its stability in various applications. Propylene glycol is known for its hygroscopic nature, allowing it to absorb moisture from the air, making it valuable in industries requiring moisture control. Its low toxicity compared to ethylene glycol makes it a preferred choice in food and pharmaceutical products. The compound is also used as a plasticizer in polymers, enhancing flexibility and durability. Propylene glycol’s chemical structure and physical properties make it versatile for use in both industrial and consumer settings. Safety standards and regulatory guidelines ensure its proper handling, while its chemical inertness and solubility support its wide range of applications.
About
CAS No
57-55-6
English Name
Propylene glycol
Molecular Formula
C3H8O2
Molecular Weight
76.095 g/mol
SMILES
CC(CO)O
InChIKey
DNIAPMSPPWPWGF-UHFFFAOYSA-N
Last Updated: 2025-08-25 01:07
