Official USP Waters (Part 3)

Purified Water

pyrogen-free

undergone purification

FRIED

mnemonics for the steps in purifying water

Water for Injection

Description: clear, colorless, odorless liquid; purified by distillation or reverse osmosis and contains no added substances

USE: solvent for large-scale manufacturing of parenteral products

Sterile WFI

Description: clear, colorless, odorless liquid; water for parenterals; sterilized; contains no antimicrobial agent or other substances

USE: for extemporanous compounding of parenteral products

Bacteriostatic Water for Injection

Description: SWFI containing one or more suitable antimicrobial agents (eg. benzyl alcohol)

USE: sterile vehicle for parenteral preparation

Not for IV
Not for neonates

Sterile Water for Irrigation

USE: an irrigating solution

*Labeled with: FOR IRRIGATION ONLY and NOT FOR INJECTION

Sterile Water for Inhalation

for inhalation