Products Description
Product Name &Basic information:
1-HYDROXYETHYLIDENE-1,1-DIPHOSPHONIC ACID(HEDP)
Appearance: Colorless or pale yellow transparent liquid
MF: C2H8O7P2
Purity: 60%min
CAS No.: 2809-21-4
EINECS: 220-552-8
HEDP is used as a retardant in concrete, scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc
Specification
|
Items |
index |
|
Appearance |
Colorless or light yellow transparent liquid |
|
Active content(HEDP)% |
58.0-62.0 |
|
Phosphorous acid(as PO33-)% |
2.0 max |
|
Phosphoric acid (asPO43- )% |
0.8 max |
|
Chloride (as Cl-) mg/g |
0.1 max |
|
pH(1% solution) |
1.5-2.0 |
|
Density (20ºC) g/cm3 |
1.40 min |
|
Ca Chelating ability mg/g |
500 min |
|
Fe Ions(as Fe3+) ppm |
10 max |
Application
Applications of HEDP:
1.HEDP is used as scale and corrosion inhibition in circulating cool water system,
2.oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc..
3.In light woven industry, HEDP is used as detergent for metal and nonmetal.
4.In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent;
Packing & Storage
Package & Storage of HEDP:
Powder: 25KG bag , 25MT/20'FCL
Liquid: 270kg drum, 21.6MT/20'FCL ; 1250kg IBC drum, 25mt/20'Fcl
also be packed according to customer's needs.
Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight.
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