Bellini sodium thiosulfate 1kg

Bellini sodium thiosulfate, also sold by Bellini as sodium hyposulfite, is the classic photographic fixing agent that darkroom workers call hypo. Darkroom users can use it to mix their own fixing baths and other formulas from raw chemicals.

• Chemical: sodium thiosulfate pentahydrate
• CAS number: 10102-17-7
• Standard, universal fixing agent used in many photographic processes
• Raw chemical for preparing your own fixers from published formulas
• Dissolve it in water to make a fixing bath for film and paper
• Supplied by Bellini Foto, Italy
• Net weight: 1 kg