Oxalic Acid 99.6% Photographic Grade Crystal Powder Developer Fixing Reagent

Oxalic Acid 99.6% Photographic Grade Crystal powder reagent for developer and fixing solutions Assay ≥99.6% Low Heavy Metals CAS 144-62-7 High Purity Photographic grade Oxalic Acid 99.6% (ethanedioic acid, C2 H2 O4 ) is a high purity reagent used in photographic chemistry. It serves as a buffering, complexing and cleaning component that supports stable developer and fixing performance in darkroom processing. Specifications CAS No. 144-62-7 Molecular Formula C2 H2 O4