60%浓度用于阻垢缓蚀剂的液体羟基乙叉二膦酸
CAS 号：2809-21-4
化学式： C2H8O7P2 Molecular weight: 206.02
HS 号： 2931900090
UN NO. 3265
特性：
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℃.
规格：
|
Items |
Index |
|
Appearance |
Clear, Colorless to pale yellow aqueous solution |
|
Active content (HEDP)% |
58.0-62.0 |
|
Phosphorous acid (as PO33-)% |
1.0 max |
|
Phosphoric acid (asPO43- )% |
0.6 max |
|
Chloride (as Cl-) ppm |
100.0 max |
|
pH (1% solution) |
2.0 max |
|
Density (20℃)g/cm3 |
1.43-1.47 |
|
Fe，mg/L |
10.0 max |
|
Colour APHA (Hazen) |
30.0 max |
|
Acetic acid % |
0.5 max |
|
Ca sequestration (mg CaCO3/g) |
500.0 min |
用途：
HEDP is used as 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.. In light woven industry,
HEDP is used as detergent for metal and nonmetal. In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent;
In non-cyanide electroplating, HEDP is used as chelating agent.
包装：200L plastic drum, IBC(1000L), and as customers’ requirement.