Name | ammonium hydrogensulphide |
Synonyms | 12124-99-1 azanium,sulfanide AMMONIUMHYDROSULPHIDE ammonium hydrogensulphide Ammonium sulfide ((NH4)(SH)) |
CAS | 12124-99-1 |
EINECS | 235-184-3 |
Molecular Formula | H5NS |
Molar Mass | 51.1114 |
Density | 1.17 |
Melting Point | 118°C |
Boling Point | 33.33°C (estimate) |
Water Solubility | 128.1g/100g H2O (0°C), decomposes in hot H2O [CIC73]; insoluble ether, benzene [KIR78] |
Appearance | white tetragonal or orthorhombic crystals |
UN IDs | 2923 |
Hazard Class | 8 |
Packing Group | II |
FEMA | 2053 | AMMONIUM SULFIDE |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
category | toxic substances |
toxicity grade | high toxicity |
Acute toxicity | oral-rat LD50: 168 mg/kg; Oral-mouse LDL0: 80 mg/kg |
flammability hazard characteristics | toxic sulfur oxides, nitrogen oxides and ammonia smoke generated at high temperature |
storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from zinc |
extinguishing agent | dry powder, foam, sand, carbon dioxide, water mist |