Solid Diluent

Uses: 

• spray dried anhydrous type is used in direct compression formulas. 
• generally an ingredient of the medium used in penicillin production. 
• extensively used as an addition to milk for infant feeding

Liquid Diluent 

the simplest trihydric alcohol.

• very valuable in pharmacy because of it ssolvent property
• humectant: keeps substances moist because of its hygroscopicity
• high viscosity

Liquid diluent 

• viscous
• absorbs moisture from moist air
• miscible with water, alcohol, acetone, or chloroform
• suluble in ether
• dissolves volatile oils 
• immiscible with fixed oil
• can also be used as a preservative and humectant 

liquid diluent

• dissolve in water to form clear solutions 
• soluble in many organic solvents 
• wide range of solubilities and compatibilities 
• used in lotions

Solid Diluent

• practically insoluble in water 
• solubility in water is increased by the presence of an ammonium salt or carbon dioxide
• insoluble in alcohol
• dissolves with effervescence in dilute acetic, hydrocloric, or nitric acids 
• rapidly acting non systemic antacid 
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Solid Diluent 

• bulky (light) or dense (heavy) powder
• high temperature syield more compact forms
• absorbs moisture and carbon dioxide when exposed to air
• insoluble to water, alkaline reaction in water
• insoluble in alchol
• soluble in dilute actives
• fairly long acting non systemic antacid 

Solid Diluent 

• irregular, angular white masses or fine powder
• insoluble in cold water. when boiled with 20 times its weight of hot water then cooled, a translucent whitish jelly results 
• absorbent and demulcent properties
• dusting powder 
• filler, binder, disintegrant

Solid diluent 

• dusting powder to make suppositories
• used as filtration medium for clarifying liquids
• lubricant in the manufacture of tablets
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