Ammonium chloride
CAS 12125-02-9ClH4N53.49 g/mol
Ammonium chloride is an inorganic chloride having ammonium as the counterion. It has a role as a ferroptosis inhibitor. It is an inorganic chloride and an ammonium salt.
IUPAC: azanium chloride
PubChem
Physical & Chemical Properties
| Melting Point | 662 °F (Sublimes) (NIOSH, 2024) |
| Boiling Point | Sublimes (NIOSH, 2024) |
| Density | 1.53 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | 37 % (NIOSH, 2024) |
| Vapor Pressure | 1 mmHg at 321 °F (NIOSH, 2024) |
| pH | pH of aqueous solution (25 °C): 1% 5.5; 3% 5.1; 10% 5.0 |
| Appearance | Ammonium chloride is a white crystalline solid. It is soluble in water(37%). The primary hazard is the threat posed to the environment. Immediate steps should be taken to limit its spread to the environment. It is used to make other ammonium compounds, as a soldering flux, as a fertilizer, and for many other uses. |
Data: PubChem · Last updated: 4/20/2026
GHS Classification
No GHS classification data available.
Classification data is sourced from ECHA.
Regulatory Compliance
TSCA
Listed
note: Status based on EPA TSCA Active Inventory · inventory name: TSCA Chemical Substance Inventory
View sourceGlobal Trade Intelligence
No trade flow data available for this chemical.
HS Code(s): 2827
Data: UN Comtrade
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