CAS Number:12125‑02‑9
Synonyms:Ammonium chloride; Sal ammoniac; Salmiac
Chemical Formula:NH₄Cl
Molecular Weight:53.49 g/mol
Product Introduction
A white, crystalline, hygroscopic powder or granules. Used as an analytical reagent, in fertilizers, batteries (electrolyte), food ingredient, and in various pure grades (99–99.995%) .
| Property | Value |
|---|---|
| Appearance | White crystalline powder or chunks |
| Density | ~1.519 g/cm³ |
| Melting / Sublimation Point | ~340 °C (sublimes) |
| Solubility in Water | 383 g/L @25 °C; varies with temp |
| pH (saturated soln) | Slightly acidic ~4.5–6.0 |
| Vapor Pressure | ~1 mm Hg @160 °C (sublimation) |
| Purity (Commercial Grades) | Tech: ≥99–99.5%; Pure: ≥99.5%; Ultra-pure: ≥99.995% |
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