Griffin Dyeworks & Fiber Arts

Understanding Mordants and Modifiers

Sodium Benzoate


Description: White odorless granular antimicrobial agent, antifungal and bacteriostatic preservative at ~0.1% concentration.
Other Names: Benzoate of soda, benzoic acid salt, sodium salt
Dye Use: Helps to preserve nature dye liquids for later use; keeps dye solution fresh for months but won't prevent liquid from smelling as it ferments slower than usual
Best On: Any nature dye liquid
Dye Recipe: Use less than 1/2 tsp per gallon, seal in well-labeled, airtight container
Safety: Can cause eye and skin irritation; concentrated dust can be explosive; unlikely in small amounts.
Disposal: It will be absorbed as dye is used again, no environmental hazard if disposed of with dye liquid
Alternative: Salt, vinegar
Source: Griffin Dyeworks

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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