1.01211

Ammonium sulfate

for biochemistry

• Synonym(s): Mascagnite
• Linear Formula: (NH₄)₂SO₄
• CAS Number: 7783-20-2
• Molecular Weight: 132.14
• NACRES: NA.21
• EC Index Number: 231-984-1
• UNSPSC Code: 12352301
• MDL number: MFCD00003391
• Form: solid

Properties

• vapor pressure: <1 Pa ( 25 °C)
• Quality Segment: 100
• form: solid
• potency: 2840 mg/kg LD₅₀, oral (Rat)
• pH: 5 (100 g/L in H₂O)
• mp: >280 °C (dec.) (lit.)
• solubility: 754-764 g/L
• density: 1.77 g/mL at 25 °C (lit.)
• bulk density: 850 kg/m³
• storage temp.: 2-30°C
• SMILES string: N.N.OS(O)(=O)=O
• InChI: 1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
• InChI key: BFNBIHQBYMNNAN-UHFFFAOYSA-N

Description

General description

for biochemistry

Application

Ammonium sulfate for biochemistry. CAS No. 7783-20-2, EC Number 231-984-1.

Analysis Note

Assay (alkalimetric)≥ 99.5 %Insoluble matter≤ 0.005 %pH-value (5 %; water)4.5 - 5.5Chloride (Cl)≤ 0.0005 %Nitrate (NO₃)≤ 0.001 %Phosphate (PO₄)≤ 0.0005 %As (Arsenic)≤ 0.0001 %Ca (Calcium)≤ 0.001 %Cd (Cadmium)≤ 0.0001 %Cu (Copper)≤ 0.0001 %Fe (Iron)≤ 0.0002 %Pb (Lead)≤ 0.0001 %Zn (Zinc)≤ 0.0001 %Residue on ignition (as sulfate)≤ 0.01 %

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable