Applied in photographic emulsions for development control; in metal polishing pastes for shine enhancement; in dye manufacturing as fixatives; in analytical chemistry for standard solutions; and in leather tanning for pH adjustment in hide preparation.

Toxic if swallowed, causing hyperoxaluria and potential renal failure; strong irritant to mucous membranes. Avoid contact with oxidizers to prevent violent decomposition; implement fume extraction and full-face shields for safe manipulation in confined spaces.

Packaged in 20 kg vented fiberglass-reinforced plastic bins with moisture indicators. Secure in ventilated chemical depots, elevated to avoid floor-level contamination risks.