Solid ammonium thiosulfate
group nameSolid Ammonium Thiosulfate
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Min Order1 piece
brand nameANPUSU Sulfite Thiosulfate Factory direct sale
payment methodCash
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update timeFri, 27 Feb 2026 13:04:54 GMT
Paramtents
Chemical information (NH₄)₂S₂O₃
CAS number 7783-18-8
Physical form Colorless Transparent Crystals or White Granules
Concentration/Content 96%
Packaging information 25kg/bag
Packging & Delivery
Min Order1 piece
Briefing
Solid Ammonium Thiosulfate 96% in crystal/granule form. Professional-grade rapid fixing agent for photography, film processing, and industrial applications.
Detailed
Our Solid Ammonium Thiosulfate is a high-purity, 96% concentration product available in both colorless transparent crystals and white granules. Specifically designed for demanding photographic and industrial applications, this solid form offers superior stability, longer shelf life, and cost-effective shipping compared to liquid alternatives. As a rapid fixing agent, it significantly outperforms sodium thiosulfate, making it the preferred choice for professional photographers, photo labs, and industrial users requiring precise image stabilization.
Superior Fixing Speed - Works significantly faster than sodium thiosulfate
High Purity - 96% concentration ensures consistent performance
Long Shelf Life - Solid form provides excellent stability
Cost-Effective - Lower shipping costs compared to liquid solutions
Product Core Parameters
Item | Specification |
Specification | (NH₄)₂S₂O₃ |
CAS No. | 7783-18-8 |
Appearance | Colorless Transparent Crystals or White Granules |
Specification (Ammonium Sulfite Monohydrate) | 96% |
Executive Standard | GB/T 20433-2006 |
Package | 25kg/bag in woven bags lined with polyethylene plastic bags |
Application areas | Photography，Industrial， Education |
Main functions | Rapid Fixing Agent，Fixing Agent，Teaching Laboratory Supply |
Storage conditions | Cool, dry, ventilated area away from fire sources |
Environmental protection features | dissolves and removes unexposed silver halides from film and paper, permanently stabilizing the image |
Why choose solid ammonium thiosulfate over liquid for photography?
Solid form offers longer shelf life, better stability, and lower shipping costs. You can prepare fresh working solution as needed, ensuring optimal performance for each use.
How do I prepare working solution from solid crystals?
Dissolve the crystals in distilled water according to your specific application requirements. Typical concentrations range from 15-40% depending on the desired fixing speed and application method.
What is the advantage over sodium thiosulfate?
Ammonium thiosulfate works 3-4 times faster, requires shorter washing times, and provides more consistent results, making it essential for professional and high-volume processing.
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- FOB, CFR, CIF, EXW, FCA
- Acceptable payment methods
- Cash