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Products
Product name: 1-HydroxyEthylidene-1,1-DiphosphonicAcid
CAS: 2809-21-4
Dequest: 2010
I. Molecular formula: C2H8O7P2
Molecular Weight: 206.02
Structure
II. Properties and use
White crystalline powder. It is organic phosphoric acid scale inhibityor; can form complex compounds with iron, copper and zinc ions; has good scale inhibiting property at 250℃; stable at high pH-value conditions.
It is widely used in the circulation cooling water system, low-pressure boiler and oil pipelines; as cleaning agent for metals and nonmetals in textile industry.
III. Spec.
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Item
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Index
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Appearance
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White powder solid
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Active components % ≥
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89.0
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Phosphoric acid (PO43- )content % ≤
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0.50
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PO33- content % ≤
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0.50
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Chloride (Cl-)content % ≤
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0.10
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Ferrum (Fe) content ppm ≤
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5.0
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pH-value (1% aqueous solution) ≤
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2.0
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IV. Packing & storage Plastic woven bag lined with PE bag, net weight 25kg or according to customer requirements. Stored in dry and cool place. Shelf life 1 year.
V. Safety
This product is acidic. Avoid contact with eyes, skin or cloth. Once splashed, wash with plenty of water immediately.