Formules Flashcards
(45 cards)
Ethanol
Co-solvent, liquid preservative (>15%), disinfectant
Propylene glycol
Co-solvent, liquid preservative (>15%), humectant
Glycerol 85% (=glycerin)
Co-solvent, liquid preservative (>30%), flavoring agent, humectant
Acetem
Lipophilic solvent
Methylparaben (methyparahydroxybenzoate), propylparaben
Solid preservative (neutral environment)
Sorbic acid
Solid preservative (acidic environment)
Ascorbic acid (vitamin C)
Antioxidant (aqueous environment)
Sodium sulfite, sodium metabisulfite (sodium pyrosulfite)
Antioxidant (aqueous environment)
Butylhydroxytoluene, dl-a-tocoferol (vitamin E)
Antioxidant (non-aqueous environment)
Disodium edetate
Complexing agent (inhibition of oxidation)
Citric acid
Complexing agent (inhibition of oxidation)
Cellulose derivatives: ethers (iets met cellulose of carmellose sodium/hypromellose)
Viscosity enhancer
Inorganic colloids (colloidal aluminum magnesium silicate = Veegum)
Viscosity enhancer
Al3+, Mg2+, citrate, phosphate
Peptisator
Colloidal anhydrous silica (Aerosil)
Wetting agent, disperses agglomerates (sup.)
Polysorbate 80
Wetting agent
Sweeteners: saccharin sodium, etc.
Flavoring agent
Disodium phosphate dodecahydrate
pH adjuster
Sorbitol (liquid)
Viscosity enhancer, flavoring agent, humectant
Water
Solvent
Salicylic acid
Penetration enhancer
Ureum
Penetration enhancer
Water / ethanol (base)
Cooling/drying by volatile solvent
Zinc oxide, talc, starch
Drying/protecting by dispersed indifferent substances (= solid phase)