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Hangzhou TongVo Chemicals Phosphorous acid (Technical grade)

Hangzhou TongVo Chemicals Phosphorous acid (Technical grade) is colorless crystalline, hygroscopic, deliquescent & cautic.

Chemical Name: Phosphorous Acid

CAS Number: 10294-56-1

Grade: Technical Grade

Labeling Claims: High Purity, Odor-free

Synonyms: Dihydroxyphosphine oxide, Phosphonic acid

    Knowde Enhanced TDS

    Identification & Functionality

    Chemical Name
    CAS No.
    13598-36-2
    EC No.
    237-066-7

    Features & Benefits

    Labeling Claims

    Applications & Uses

    Markets
    Base Chemicals End Uses
    Applications

    Phosphorous acid can be used as the raw material of phosphate and phosphonate, reductive agent, nylon whitening agent and anti-oxidant, stablizer for plastics, organo-phosphorus pesticide intermediate and chemical reagent.

    Phosphorous acid can also be used as fertilizer additive in agroculture industry.

    Properties

    Physical Form
    Appearance
    White crystal
    Typical Properties
    ValueUnitsTest Method / Conditions
    Relative desity at 212 °C1.651%-
    Melting Point 73.6°C-
    boiling point200-
    Assay (H3PO4)min. 98.5 %-
    Chloride (Cl)max. 0.002 %-
    Sulphate (SO4)max. 0.008%-
    Iron (Fe)max. 0.002%-
    Arsenic (As)0.002%-
    Heavy metal (as Pb)max. 0.005%-
    Cadnium (Cd)max. 0.001%-
    Phosphate (as P2O5 )max. 0.2 %-
    Color (Hazen) at 70% solutionmax. 20--
    FTUmax. 1%-
    Molecular Weight82--

    Regulatory & Compliance

    Technical Details & Test Data

    Properties

    Phosphorous acid is soluble in water and alcohol, slowly oxidized to orthophosphoric acid in air and decomposes to orthophosphoric acid and phosphine if heated to 180°C.

    Packaging & Availability

    Packaging Type
    Packing

    35Kgs/drum, 330Kgs/drum, in PP drums or IBCs, or as customer's requirements.

    Storage & Handling

    Storage & Handling

    Keep in cool dry place.

    Air transportation: Restricted.

    Shelf Life

    12 months.