Global Chemicals Limited

HEDP 90% Powder

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Global Chemicals Limited
[South Africa]

Address
Voortrekker & De La Rey Roads  Western Cape Cape Town
Phone
27-63-2389029
Contact name
Hugo Julian Tripichio

Quick Information

  • Place of Origin: South Africa
  • CAS No. : 2809214
  • Purity : 6090
  • :

Description

Product Description
Water treatment industrial HEDP 90% powder
CAS NO.: 2809-21-4
EINECS No.: 220-552-8
Molecular formula: C2H8O7P2
RIDADR: UN 3265/1 8/PG III
Molecular Weight: 206.02
Description of Water treatment industrial HEDP 90% powder
HEDP is an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn ions to form stable chelating
compounds.It can dissolve the oxidized materials on these metals’ surfaces. HEDP shows excellent scale and corrosion inhibition effects under temperature 250℃. HEDP has good chemical stability under high pH value, hard to be hydrolyzed, and hard to be decomposed under ordinary light and heat conditions. Its acid/alkali and chlorine oxidation tolerance are better than that of other organophosphoric acids (salt). HEDP can react with metal ions in water system to form hexa-element chelating complex, with calcium ion in particular. Therefore, HEDP has good antiscale and visible threshold effects. When built together with other water treatment chemicals, it shows good synergistic effects.
Specification
Items
60% Liquid HEDP
90% Crystal powder HEDP
Appearance
Clear, Colorless to pale yellow aqueous solution
White crystal powder
Active content (HEDP)%
58.0-62.0
90 min
Active content (HEDP·H2O)%
-
98 min
Phosphorous acid (as PO33-)%
1.0 max
0.8 max
Phosphoric acid (as PO43- )%
0.6 max
0.5 max
Chloride (as Cl-) ppm
100 max
50 max
pH (1% solution)
2.0
2.0
Density (20°C)g/cm3
1.43-1.47
-
Fe, mg/L
10 max
5.0 max
Colour APHA (Hazen)
30 max
-
Acetic acid %
0.5 max
-
Ca sequestration (mg CaCO3/g)
500 min
-
Application
The application of Water treatment industrial HEDP 90% powder:
HEDP is widely used as scale and corrosion inhibitor in industrial circulating cooling water systems of electric power, chemical industry, metallurgy, chemical fertilizer, and also in medium or low pressure boilers, oilfield water injection and oil pipeline.
Besides these applications, HEDP can also be used as cleaning agent of metal and nonmetal in the textile industry, as peroxide stabilizer and fixing agent in bleaching and dyeing industry, as complexing agent in cyanide free electroplating industry, as the carrier of radioactive elements in pharmaceutical industry, and so on.
Packing&Shipping
The package of Water treatment industrial HEDP 90% powder: 25KGS/PP+PE, 25KGS kraft bag or customized packing.
250kg plastic drum,


Price

  • Delivery Port : DURBAN VICTORIA PORT

Packaging & Delivery

  • Packing :25KGSPPPE 25KGS kraft bag or customized packing. 250kg plastic drum
  • Delivery Lead Time : 7 days after payment confirmation
  • Supply Ability : 10000

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