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  • Ammonium dihydrogen orthophosphate

  • Ammonium dihydrogen orthophosphate

    Catalog Number
    ACM7722761
    CAS Number
    7722-76-1
    Product Name
    Ammonium dihydrogen orthophosphate
    Structure
    Category
    Electrolytes
    Description
    DryPowder; DryPowder, PelletsLargeCrystals; Liquid; OtherSolid; PelletsLargeCrystals; PelletsLargeCrystals, OtherSolid
    IUPAC Name
    azanium;dihydrogen phosphate
    Molecular Weight
    115.03g/mol
    Molecular Formula
    NH4H2PO4;H6NO4P
    Canonical SMILES
    [NH4+].OP(=O)(O)[O-]
    InChI
    InChI=1S/H3N.H3O4P/c;1-5(2,3)4/h1H3;(H3,1,2,3,4)
    InChI Key
    LFVGISIMTYGQHF-UHFFFAOYSA-N
    Melting Point
    190 °C
    Density
    1.80 g/cu cm
    Solubility
    Slightly soluble in ethanol; insoluble in acetone;40.4 g/100 g water at 25 °C;1 g dissolves in about 2.5 mL water; slightly soluble in alcohol; practically insoluble in acetone
    Color/Form
    White, tetrahedral crystals;Brilliant white crystals or powder
    Complexity
    49.8
    Covalently-Bonded Unit Count
    2
    EC Number
    231-764-5
    Exact Mass
    115.003445g/mol
    Formal Charge
    0
    Heavy Atom Count
    6
    MeSH Entry Terms
    ammonium hydrogen phosphate;ammonium orthophosphate;ammonium phosphate;ammonium phosphate ((NH4)3PO4);ammonium phosphate, dibasic;ammonium phosphate, monobasic;ammonium phosphate, tribasic;diammonium hydrogen phosphate;diammonium phosphate;monoammonium phosphate;monobasic ammonium phosphate;phosphoric acid, ammonium salt;primary ammonum phosphate;triammonium phosphate;tribasic ammonium phosphate
    Monoisotopic Mass
    115.003445g/mol
    Odor
    Odorless;Faint acid
    Other Experimental
    Mildly acid in reaction;HEAT OF SOLN: 42 BTU/LB= 23 CAL/G= 0.97X10+5 JOULES/KG;The crystals have piezoelecric properties; very stable (7 Pa at 125 °C);Decomposes at high temperature, affording ammonia and polyphosphoric acid
    Refractive Index
    Index of refraction: 1.525; 1.479, both at 589 nm
    Rotatable Bond Count
    0
    Stability
    Stable in air
    UNII
    09254QB17T
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