Add: Room 2115, Dongcheng International, No. 5 Huangpu East Road, Huangpu District, Guangzhou, China.
Fax: +86-20-22309808
Tel:+86-20-22302666
E_mail: dc@gzdiecheng.com mrpeng@gzdiecheng.com
Fax: +86-20-22309808
Tel:+86-20-22302666
E_mail: dc@gzdiecheng.com mrpeng@gzdiecheng.com
Products
Disodium salt of 1-Hydroxy EXTylidene-1,1-Diphosphonic Acid (HEDP.Na2)
Molecular formula: C2H6O7P2Na2
Molecular Weight: 250
Structural formula:
OH OH OH
| | |
NaO —P — C — P — ONa
‖ | ‖
O CH3 O
Properties:
HEDP.Na2 is a organic phosphoric acid scale and corrosion inhibitor.
Spec.:
|
Item
|
Index
|
|
Appearance
|
White solid powder |
|
Active component (HEDP)% ≥
|
74.0~79.0
|
|
Active component (HEDP.Na2)% ≥
|
89.0~95.0
|
|
Phosphoric acid (PO43-), % ≤
|
0.8
|
|
Chloride (Cl-), % ≤
|
0.1
|
|
Phosphite (PO33- )% ≤
|
3.0
|
|
PH (1% aqueous solution) ≤
|
4.0~6.0
|
|
Ferrum (Fe2+)ppm ≤
|
35
|
Application:
Widely used in the scale and corrosion inhibition in power, chemical, metallurgy, fertilizer and other industrial circulating cooling water systems, low pressure boiler, oilfield water and pipeline. It can be used as metal and nonmetal detergent in textile industry, peroxide stabilizer and fixing agent in printing and dyeing industry, complexing agent in non-cyanide electroplating industry.
Packing & Storage:
Plastic woven bag lined with polythene bag, net weight 25kg or according to customer requirements. Stored in dry and ventilation indoor. Shelf life is 10 months.