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    Monopotassium phosphate

    Molecular formula: KH2PO4
    Molecular weight: 136.09
    CAS Number: 7778-77-0
    Standard executed: HG2321-1992
    Appearance: Potassium dihydrogen phosphate is white crystal or powder, with slight color allowed for agricultural use.
    Uses: Used as high efficiency phosphorus potassium compound fertilizer, bacterial culture agent, private nutrition supplement, etc.
    Packing: 25Kg, 50Kg bag; Container ton bag; Customer requirements.
    Technical indicator: HG 2321-1992

    Specification

    Item

    Indicator

    Industrial grade

    Agricultural grade

    First grade

    Qualified product

    First grade

    Qualified product

    Potassium Phosphate Monobasic 
    (as KH2PO4 in dry basis), W/% ≥

    98.0

    97.0

    96.0

    92.0

    moisture, w/% ≤

    2.5

    3.0

    4.0

    5.0

    PH

    4.3-4.7

    4.3-4.7

    Water insoluble matter, w/% ≤

    0.2

    0.5

    -

    -

    Chloride (Cl),w/% ≤

    0.20

    -

    -

    -

    Sulfate (as SO4), w/% ≤

    -

    -

    -

    -

    Ferrum (Fe),w/% ≤

    0.003

    -

    -

    -

    Arsenic (As),w/% ≤

    0.005

    -

    -

    -

    Heavy metal (as Pb), w/% ≤

    0.005

    -

    -

    -

    Potassium oxide (K2O in dry basis), w/% ≥

    33.9

    33.5

    33.2

    31.8



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