Griffin Dyeworks & Fiber Arts

Understanding Mordants and Modifiers

Ammonium Acetate


Description: Acid modifier, colorless, very hygroscopic, deliquescent crystals, tendency to lose power, officially named in 1782
Other Names: Ammonium salt, spirit of Mindererus, 'Red Liquor' because it is good with red dyes
Dye Use: Color stripping, red dye modifier
Best On: Silk, wool
Dye Recipe: Try a pinch or two in dyepot to see color results
Safety: Can be fatal if inhaled or ingested or absorbed through skin; do not touch material with bare hand. Fire can produce irritating or poisonous gases.
Disposal: Dilute considerably, pour down toilet or sink
Alternative: Alum, Aluminum acetate
Source: Chemical supply house

CODES: c = cup; gal = gallon; lb = pound (weight); tbsp = Tablespoon; tsp = teaspoon / [AF] Anglo-French; [Ar] Arabic; [AS] Anglo-Saxon; [Dan] Danish; [Du] Dutch; [Fr] French; [Ger] German; [Gk] Greek; [It] Italian; [L] Classical Latin; [LL] Late Latin; [ME] Middle English; [ML] Modern Latin; [OE] Old English; [OF] Old French; [ON] Old Norse; [OS] Old Saxon; [Port] Portuguese; [Sp] Spanish; [Sw] Swedish / CE = Common Era; BCE = Before Common Era

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