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Verified Industry Grade Oxalic Acid 99.6% For Stone And Marble Polish

    Buy cheap Verified Industry Grade Oxalic Acid 99.6% For Stone And Marble Polish from wholesalers
     
    Buy cheap Verified Industry Grade Oxalic Acid 99.6% For Stone And Marble Polish from wholesalers
    • Buy cheap Verified Industry Grade Oxalic Acid 99.6% For Stone And Marble Polish from wholesalers
    • Buy cheap Verified Industry Grade Oxalic Acid 99.6% For Stone And Marble Polish from wholesalers
    • Buy cheap Verified Industry Grade Oxalic Acid 99.6% For Stone And Marble Polish from wholesalers

    Verified Industry Grade Oxalic Acid 99.6% For Stone And Marble Polish

    Ask Lasest Price
    Brand Name : Riel Chem
    Model Number : 99.6%
    Certification : SGS
    Price : USD 300~350 FOB
    Payment Terms : T/T , L/C
    Supply Ability : 50 tons per day
    Delivery Time : 5 work day
    • Product Details
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    Verified Industry Grade Oxalic Acid 99.6% For Stone And Marble Polish

    Verified Industry Grade Oxalic Acid 99.6% for Stone and Marble Polish


    Key attributes

    Chemical formula: C₂H₂O₄·2H₂O

    CAS: 6153-56-6

    Purity: 99.6%

    Production standard

    COA need meets GB/T1626-2008:

    No.Items for detecting and analyzingStandard value
    1

    Oxalic acid content (C2H2O4)

    %≥

    99.6
    2Sulfide (as SO4) %≤0.07
    3Combustion residue %≤0.01
    4heavy metal (as Pb) %≤0.0005
    5Fluoride (as Fe) %≤0.0005
    6Chlorine (as Cl) %≤0.0005
    7Calcium (as Ca) %≤0.0005
    8Water insoluble content %≤0.02

    References: Riel Chemical Lab1&2, National public service platform for standards information.

    Physicochemical property

    Molecular weight: 126.07 g/molAppearance: white transparent crystal or powder, industrial products may be slightly yellow due to impurities.
    Odor: Tasteless or slightly sour.Density: 1.65 g/cm³ (20°C).

    Melting point:

    The dihydrate lost its crystalline water at 101-102°C and was converted to anhydrous oxalic acid (H₂C₂O₄).

    Anhydrous oxalic acid sublimates at about 189.5°C and decomposes at high temperatures.

    Solubility:

    Water: soluble in cold water (about 10 g/100 mL, 20°C), hot water solubility is higher.

    Ethanol: slightly soluble (approx. 5.7g /100 mL, 20°C)

    Acid:

    Binaric acid, acidic stronger than acetic acid (pKa₁=1.25, pKa₂=4.14);

    It can react with bases, metal oxides, carbonates to form salts (such as sodium oxalate, calcium oxalate).

    Reducibility:

    Under acidic conditions can be oxidized by strong oxidants (such as potassium permanganate) to produce CO₂ and H₂O

    Complexation:

    Oxalate (C₂O₄²⁻) forms a soluble complex with metal ions (e.g. Fe³+, Al³+). It is used in metal cleaning or rust removal.

    Thermal decomposition:

    Decomposition when heated above 150°C, producing CO, CO₂ and H₂O:



    FAQ


    1.What is your payment term?

    We can accept T/T and L/C at sight as payment term.


    2.Are you able to deliver on time?

    Of course! we specialised in this line for many years,

    many customer make a deal with me because we can deliver the goods on time and keep the goods top quality!


    3.Do you provide free sample?

    Yes, we can provide free sample . You only need to take the express fee.


    4.How about the price?Can you make it cheaper?

    We always take the customer’s benefit as the top priority.

    Price is negotiable under different conditions, we are assuring you to get the most competitive price.


    5.Can I visit your company and factory in China?

    Sure. You are very welcomed to visit our company in Weifang, China.

    (We will have someone responsible for picking up and dropping off at Weifang Airport)


    6.What if there is a quality problem?

    We have a professional and perfect after-sales service team, timely for you to deal with all problems.

    Quality Verified Industry Grade Oxalic Acid 99.6% For Stone And Marble Polish for sale

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