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10196-04-0
bosschemical
10196-04-0
Product name: Ammonium Sulfite
English alias: Diammonium sulfite; Sulfurous acid, diammonium salt.
CAS: 10196-04-0
Molecular formula: H8N2O3S
Appearance: white crystal
Package: 25kg/bag
Ammonium Sulfite is an important inorganic salt that serves as a versatile reducing agent and sulfur source in various industrial applications. This compound exists in both solid form and aqueous solutions, offering excellent solubility in water. As a reducing agent, it finds widespread use in photographic development, water treatment, and food processing industries. The compound's ability to effectively remove oxygen and act as a preservative makes it particularly valuable in applications where oxidation control is critical. Its relatively mild reducing properties and ammonia content provide unique advantages in specific chemical processes.
Test Item | Unit | Specification (Solid) |
Assay (as (NH₄)₂SO₃) | % | ≥ 95.0 |
Sulfite (as SO₃) Content | % | ≥ 65.0 |
Ammonia (as NH₃) Content | % | ≥ 28.0 |
Water Insoluble Matter | % | ≤ 0.1 |
Heavy Metals (as Pb) | ppm | ≤ 10 |
Iron (Fe) | ppm | ≤ 5 |
Chloride (as Cl) | % | ≤ 0.1 |
Sulfate (as SO₄) | % | ≤ 1.0 |
pH (5% solution) | — | 8.0-9.5 |
Developing agent in photographic solutions
Preservative for developer compositions
Silver recovery from photographic wastes
Oxygen scavenger in boiler water treatment
Dechlorination agent for municipal water systems
Corrosion inhibitor in cooling water systems
Preservative for food products (where approved)
Antioxidant in food processing
Bleaching agent for food materials
Reducing agent in dyeing processes
Bleaching assistant for textile materials
Desizing agent for fabric processing
Reducing agent in organic synthesis
Sulfur source for chemical production
Intermediate for other ammonium compounds
Pulp bleaching agent
Deinking agent for paper recycling
Gas purification agent
Electroplating additive
Laboratory reagent
Ammonium Sulfite may decompose to release sulfur dioxide and ammonia gases, especially when heated or in contact with acids. May cause eye and skin irritation. Inhalation of dust or decomposition products should be avoided. Use appropriate personal protective equipment including gloves, safety glasses, and proper ventilation. The solution is alkaline and may cause corrosion.
keep the product dry
relative humidity < 50%
protect product against influences of weather and contamination
Ammonium Sulfite for technical applications is solely supplied in packaging of different sizes . It can be packaged in various items: 25 kg bags, 1000 kg bags.
Product name: Ammonium Sulfite
English alias: Diammonium sulfite; Sulfurous acid, diammonium salt.
CAS: 10196-04-0
Molecular formula: H8N2O3S
Appearance: white crystal
Package: 25kg/bag
Ammonium Sulfite is an important inorganic salt that serves as a versatile reducing agent and sulfur source in various industrial applications. This compound exists in both solid form and aqueous solutions, offering excellent solubility in water. As a reducing agent, it finds widespread use in photographic development, water treatment, and food processing industries. The compound's ability to effectively remove oxygen and act as a preservative makes it particularly valuable in applications where oxidation control is critical. Its relatively mild reducing properties and ammonia content provide unique advantages in specific chemical processes.
Test Item | Unit | Specification (Solid) |
Assay (as (NH₄)₂SO₃) | % | ≥ 95.0 |
Sulfite (as SO₃) Content | % | ≥ 65.0 |
Ammonia (as NH₃) Content | % | ≥ 28.0 |
Water Insoluble Matter | % | ≤ 0.1 |
Heavy Metals (as Pb) | ppm | ≤ 10 |
Iron (Fe) | ppm | ≤ 5 |
Chloride (as Cl) | % | ≤ 0.1 |
Sulfate (as SO₄) | % | ≤ 1.0 |
pH (5% solution) | — | 8.0-9.5 |
Developing agent in photographic solutions
Preservative for developer compositions
Silver recovery from photographic wastes
Oxygen scavenger in boiler water treatment
Dechlorination agent for municipal water systems
Corrosion inhibitor in cooling water systems
Preservative for food products (where approved)
Antioxidant in food processing
Bleaching agent for food materials
Reducing agent in dyeing processes
Bleaching assistant for textile materials
Desizing agent for fabric processing
Reducing agent in organic synthesis
Sulfur source for chemical production
Intermediate for other ammonium compounds
Pulp bleaching agent
Deinking agent for paper recycling
Gas purification agent
Electroplating additive
Laboratory reagent
Ammonium Sulfite may decompose to release sulfur dioxide and ammonia gases, especially when heated or in contact with acids. May cause eye and skin irritation. Inhalation of dust or decomposition products should be avoided. Use appropriate personal protective equipment including gloves, safety glasses, and proper ventilation. The solution is alkaline and may cause corrosion.
keep the product dry
relative humidity < 50%
protect product against influences of weather and contamination
Ammonium Sulfite for technical applications is solely supplied in packaging of different sizes . It can be packaged in various items: 25 kg bags, 1000 kg bags.
