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  • Ammonium sulfate, CP,98%

    • Ammonium sulfate, CP,98%

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    Catalog Number
    ACM7783202-1
    Product Name
    Ammonium sulfate, CP,98%
    Structure
    CAS
    7783-20-2
    Category
    Other Glass and Ceramic Materials
    Description
    Ammonium sulfate is a white odorless solid. Sinks and dissolves in water. (USCG, 1999);DryPowder; DryPowder, PelletsLargeCrystals; DryPowder, PelletsLargeCrystals, Liquid; Liquid; OtherSolid; PelletsLargeCrystals; PelletsLargeCrystals, Liquid; WetSolid;White powder, shining plates or crystalline fragments
    IUPAC Name
    diazanium;sulfate
    Molecular Weight
    132.14g/mol
    Molecular Formula
    (NH4)2SO4;(NH4)2SO4;H8N2O4S
    Canonical SMILES
    [NH4+].[NH4+].[O-]S(=O)(=O)[O-]
    InChI
    InChI=1S/2H3N.H₂O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
    InChI Key
    BFNBIHQBYMNNAN-UHFFFAOYSA-N
    Melting Point
    Mp 513 ° (sealed tube);280 °C (decomposes)
    Density
    1.78 at 59 °F (USCG, 1999);1.77 g/cu cm
    Solubility
    Freely soluble in water, insoluble in ethanol;In water, 76.4 g/100 g water at 25 °C;In water: g ammonium sulfate/100 g saturated solution: 41.22 at 0 °C; 43.47 at 25 °C; 50.42 at 100 °C;In water (g/100 g H₂O): 70.6 at 0 °C; 76.7 at 25 °C; 103.8 at 100 °C;Insoluble in acetone, ethanol;Solubility decreases with addition of ammonia: at 10 °C, from 73 g in 100 g of water, to 18 g in 100 g of 24.5% aqueous ammonia
    Color/Form
    White or brown orthorhombic crystals;Orthorhombic crystals or white granules;Brownish gray to white crystals according to degree of purity
    Complexity
    62.2
    Corrosivity
    Does not attack iron or aluminum /Ammoniacal solutions/
    Covalently-Bonded Unit Count
    3
    EC Number
    231-984-1;231-984-1;269-077-8
    Exact Mass
    132.020478g/mol
    Formal Charge
    0
    Heavy Atom Count
    7
    MeSH Entry Terms
    Ammonium Sulfate;Sulfate, Ammonium
    Monoisotopic Mass
    132.020478g/mol
    Odor
    Odorless
    Other Experimental
    Average specific heat capacity: 1.423 J/g-K at 2-55 °C; heat of solution on dissolution of 1 mol in 400 mol water: +9.92 kJ at 18 °C; integral heat of solution: +6.57 kJ/mol at 30 °C; differential heat of solution for saturated solution: +6.07 kJ/mol at 30 °C; deliquesces above 80% relative humidity;Decomposes above 280 °C
    Refractive Index
    Index of refraction: 1.521, 1.523, 1.533
    Rotatable Bond Count
    0
    Stability
    Stable under recommended storage conditions.
    UNII
    SU46BAM238
    Vapor Pressure
    Vapor pressure of saturated solution: 0.901 kPa at 10 °C; 1.319 kPa at 15 °C; 1.871 kPa at 20 °C; 2.573 kPa at 25 °C; 3.439 kPa at 30 °C; 4.474 kPa at 35 °C
    MSDS
    Download MSDS
    COA
    Download COA
    Spec Sheet
    Download Spec Sheet
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