Acetic acid
CAS 64-19-7 · EC 200-580-7 · C2H4O2
Also known as glacial acetic acid, ethanoic acid
Hazard data are for the pure acid (glacial); Kodak formulas use 28% dilution, which is classified differently as a mixture.
Handle chemistry safely
Wear gloves and eye protection, work with good ventilation, and read the supplier’s safety data sheet before use. Hazard information here is a summary, not a replacement for it. Dispose of all photographic chemistry correctly, in line with local laws and your local authority’s guidance. Never mix waste solutions, and check the supplier’s safety data sheet before disposing of anything.
Hazards
Official EU classification (harmonised under CLP Annex VI).
Signal word: Danger
Flammable · Corrosive
- H226 Flammable liquid and vapour.
- H314 Causes severe skin burns and eye damage.
Photographic uses
- stop bath (SB-1, SB-1a)
- acid hardening fixer (F-5)
- sepia bleach (T-7a)
Used in: Kodak SB-1 stop bath, Kodak F-5 acid hardening fixer, Kodak T-7a sulfide sepia toner