Names | |
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IUPAC name
Ammonium sulfate
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Other names
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Identifiers | |
3D model (JSmol)
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ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.029.076 |
EC Number |
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E number | E517 (acidity regulators, ...) |
KEGG | |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
(NH4)2SO4 | |
Molar mass | 132.14 g/mol |
Appearance | Fine white hygroscopic granules or crystals |
Density | 1.77 g/cm3 |
Melting point | 235 to 280 °C (455 to 536 °F; 508 to 553 K) (decomposes) |
70.6 g per 100 g water (0 °C) 74.4 g per 100 g water (20 °C) 103.8 g per 100 g water (100 °C)[1] | |
Solubility | Insoluble in acetone, alcohol and ether |
−67.0×10−6 cm3/mol | |
79.2% (30 °C) | |
Structure | |
orthorhombic | |
Hazards | |
GHS labelling: | |
Warning | |
H315, H319, H335 | |
P261, P264, P270, P271, P273, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P391, P403+P233, P405, P501 | |
NFPA 704 (fire diamond) | |
Flash point | Non-flammable |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose)
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2840 mg/kg, rat (oral) |
Related compounds | |
Other anions
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Ammonium thiosulfate Ammonium sulfite Ammonium bisulfate Ammonium persulfate |
Other cations
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Sodium sulfate Potassium sulfate |
Related compounds
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Ammonium iron(II) sulfate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Ammonium sulfate (American English and international scientific usage; ammonium sulphate in British English); (NH4)2SO4, is an inorganic salt with a number of commercial uses. The most common use is as a soil fertilizer. It contains 21% nitrogen and 24% sulfur.