Ammonium sulfamate
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Ammonium sulfamate (or ammonium sulphamate) is a white crystalline solid, readily soluble in water. It is commonly used as a broad spectrum herbicide, with additional uses as a compost accelerator, flame retardant and in industrial processes.
Quick Facts Names, Identifiers ...
Names | |
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IUPAC name
Ammonium sulfamate | |
Other names | |
Identifiers | |
3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.028.974 |
KEGG |
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PubChem CID |
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RTECS number |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
[NH4]SO3NH2 | |
Molar mass | 114.125 g/mol |
Appearance | White solid hygroscopic |
Density | 1.8 g/cm3 |
Melting point | 131 °C (268 °F; 404 K) |
Boiling point | 160 °C (320 °F; 433 K) (decomposes) |
very soluble | |
Solubility | soluble in glycerol, glycol, formamide slightly soluble in ethanol insoluble in methanol, ether, n-octanol |
Acidity (pKa) | 6 |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards |
Irritant |
NFPA 704 (fire diamond) | |
Flash point | Non-flammable |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose) |
2000 mg/kg (oral, rat) 3100 mg/kg (oral, mouse) 3900 mg/kg (oral, rat) 5760 mg/kg (oral, mouse)[3] |
NIOSH (US health exposure limits): | |
PEL (Permissible) |
TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)[2] |
REL (Recommended) |
TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp)[2] |
IDLH (Immediate danger) |
1500 mg/m3[2] |
Safety data sheet (SDS) | ICSC 1555 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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