59845

Ammonium sulfate

analytical standard, for Nitrogen Determination According to Kjeldahl Method, traceable to NIST SRM 194

• Synonym(s): Mascagnite
• Linear Formula: (NH₄)₂SO₄
• CAS Number: 7783-20-2
• Molecular Weight: 132.14
• EC Number: 231-984-1
• MDL number: MFCD00003391
• eCl@ss: 38030408
• PubChem Substance ID: 329758726
• NACRES: NA.24

Properties

• Quality Level: 100
• grade: analytical standard
• assay: ≥99.5%
• quality: traceable to NIST SRM 194
• shelf life: limited shelf life, expiry date on the label
• impurities: 21.20%±0.10% total Kjeldahl nitrogen
• loss: ≤0.1% loss on drying, 110°C
• pH: 5.0-6.0 (25 °C, 1 M in H₂O)
• mp: >280 °C (dec.) (lit.)
• solubility: soluble, clear, colorless
• density: 1.77 g/mL at 25 °C (lit.)
• format: neat
• 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

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• EU REACH Annex XVII (Restriction List): CAS No.7783-20-2