Canadian Medical Guide > Chemicals and Drugs > Organic Chemicals > Alcohols > Glycols > Propylene Glycols Terms and Definitions

Propylene Glycols

Medical Definition:	Derivatives of propylene glycol (1,2-propanediol). They are used as humectants and solvents in pharmaceutical preparations.
Guide Notes:	PROPYLENE GLYCOL is also available

Propylene Glycols Categories.

	Chloramphenicol - An antibiotic first isolated from cultures of Streptomyces venequelae in 1947 but now produced synthetically. It has a relatively simple structure and was the first broad-spectrum antibiotic to be discovered. It acts by interfering with bacterial protein synthesis and is mainly bacteriostatic. (From Martindale, The Extra Pharmacopoeia, 29th ed, p106)
	Chlorphenesin - A centrally acting muscle relaxant. Its mode of action is unknown. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1203)
	Mephenesin - A centrally acting muscle relaxant with a short duration of action.
	Pentaerythritol Tetranitrate - A vasodilator with general properties similar to NITROGLYCERIN but with a more prolonged duration of action. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1025)
	Propylene Glycol - A clear, colorless, viscous organic solvent and diluent used in pharmaceutical preparations.
	Tromethamine - An organic amine proton acceptor. It is used in the synthesis of surface-active agents and pharmaceuticals; as an emulsifying agent for cosmetic creams and lotions, mineral oil and paraffin wax emulsions, as a biological buffer, and used as an alkalizer. (From Merck, 11th ed; Martindale, The Extra Pharmacopoeia, 30th ed, p1424)

Propylene Glycols Medical Definitions and Terms

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