Ammonium sulfate
SIAL/A2939 - BioXtra, ≥99.0%
Synonym: Mascagnite
CAS Number: 7783-20-2
Empirical Formula (Hill Notation): H8N2O4S
Molecular Weight: 132.14
EC Number: 231-984-1
MDL Number: MFCD00003391
Linear Formula: (NH4)2SO4
Product Type: Chemical
absorption | ≤0.030 at 280 in H2O at 1 M |
≤0.037 at 260 in H2O at 1 M | |
anion traces | chloride (Cl-): ≤0.001% |
nitrate (NO3-): ≤0.001% | |
phosphate (PO43-): ≤0.0005% | |
assay | ≥99.0% |
cation traces | Al: ≤0.0005% |
As: ≤0.0001% | |
Ba: ≤0.0005% | |
Bi: ≤0.0005% | |
Ca: ≤0.001% | |
Cd: ≤0.0001% | |
Co: ≤0.0005% | |
Cr: ≤0.0005% | |
Cu: ≤0.0002% | |
Fe: ≤0.0002% | |
K: ≤0.005% | |
Li: ≤0.0005% | |
Mg: ≤0.0005% | |
Mn: ≤0.0005% | |
Mo: ≤0.0005% | |
Na: ≤0.005% | |
Ni: ≤0.0005% | |
Pb: ≤0.0002% | |
Sr: ≤0.0005% | |
Zn: ≤0.0001% | |
density | 1.77 g/mL at 25 °C (lit.) |
form | powder or crystals |
ign. residue | <0.01% (as SO4) |
impurities | Insoluble matter, passes filter test |
InChI | 1S/2H3N.H2O4S/c;;1-5(2,3) |
InChI key | BFNBIHQBYMNNAN-UHFFFAOYSA |
loss | ≤1.0% loss on drying, 110°C |
mp | >280 °C (dec.) (lit.) |
pH | 5.0-6.0 (20 °C, 1 M in H2O) |
product line | BioXtra |
Quality Level | 200 ![]() |
SMILES string | N.N.OS(O)(=O)=O |
solubility | H2O: 1 M, clear, colorless |
Application: | Ammonium sulfate has been used as an additive in salting-out procedure to prepare the g-globulin fraction. It is also used as a component in synthetic minimal dextrose (SD) liquid medium. |
Biochem/physiol Actions: | Ammonium sulfate ((NH4)2SO4) is mainly used as a soil fertilizer. It is also used as a wood preservative. This inorganic salt plays a role in flame retardant chemicals. |
Packaging: | 1 kg in poly bottle |
Packaging: | 100, 500 g in poly bottle |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | ≥99.0% |
mp | >280 °C (dec.) (lit.) |
Density | 1.77 g/mL at 25 °C (lit.) |
UNSPSC | 12161700 |