AX1385

Ammonium sulfate

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

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

Properties

• agency: meets USP/NF
• Quality Level: 200
• vapor pressure: <1 Pa ( 25 °C)
• assay: ≥99.0%
• form: crystals
• impurities: ≤0.005% Insoluble matter
• ign. residue: ≤0.005%
• color: white
• 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.)
• anion traces: chloride (Cl^-): ≤5 ppm; nitrate (NO₃^-): ≤0.001%; phosphate (PO₄^3-): ≤5 ppm
• cation traces: Fe: ≤5 ppm; heavy metals: ≤5 ppm
• shipped in: ambient
• storage temp.: room temp
• 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

Application

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Analysis Note

Assay99.0% minChloride (Cl)5ppm maxColorWhiteFormCrystalsHeavy Metals (by ICP-OES)5ppm maxInsoluble matter0.005% maxIron (Fe)5ppm maxNitrate (NO3)0.001% maxPhosphate (PO4)5ppm maxResidue after ignition0.005% maxpH of a 5% solution at 25°C5.0-6.0

Safety Information

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