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Ammonium sulfite (MF: (NH₄)₂SO₃; MW: 99.11) A white powder that is highly hygroscopic and prone to oxidation, ammonium sulfite is an inorganic ammonium salt. It is chemically reactive and exhibits strong reducing properties. It readily oxidizes to ammonium sulfate in air and decomposes upon heating to form ammonia, sulfur dioxide, and water. It serves as an important raw material in the paper industry, as a reducing agent, a food additive, and a water treatment agent.
| Item | Specification |
| Melting Point | 60°C (decomposes) |
| Boiling Point | N/A |
| Density | 1.41 g/cm³ (25°C) |
| Flash Point | N/A |
| Vapor Pressure | N/A |
| Refractive Index | N/A |
| Solubility | 642 g/L (25°C, water); insoluble in ethanol, acetone. |
| Stability | Stable at room temperature; efflorescent; incompatible with strong acids and oxidizing agents. |
Jinan Jinbang Chemical Co., Ltd., strategically located within the New Materials Industrial Park in Tianqiao District, Jinan City, Shandong Province, stands as a prominent chemical innovator since its establishment in 2015. Operating from a modern, expansive 37,500 m² manufacturing facility, we are dedicated to the research & development, production, and global distribution of high-performance chemical solutions.
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