Quick Details
- Active:90% min
- Processing Time:Shipped in 7 days after payment,then sea freight or air cargo according to quantity.
- Port:Shanghai port or Qingdao port,China
- Supply Ability: 200 Metric Tons Per Week
- Brand Name:Twin
Disodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid
(HEDP.Na2)
CAS No.: 7414-83-7
Molecular Formula: C2H6O7P2Na2 Molecular weight: 250
Properties:
HEDP•Na2 is an organophosphonic acid corrosion inhibitor, it can chelate with Fe, Cu, and Zn ions, it can dissolve the oxidized materials, has good scale and
corrosion inhibition effects even under 250℃.
Specification:
Items
Specifications
Results
Appearance
White powder
White powder
Active content (HEDP•Na2)%
90 min
92.49
Active content（HEDP）%
74.0-79.0
76.21
density (20℃)g/cm3
--
--
Fe Ions(Fe3+) PPM
35 max
6.39
Phosphorous acid (as PO33-)%
2 max
1.06
Moisture, %
3.0-6.0
4.06
PH (1% water solution)
4.0-6.0
5.88
Usage:
HEDP.Na2 is widely used in circulating cool water system, medium and low pressure boiler, oil field water pipelines as scale and corrosion inhibitor in fields such as
electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry,HEDP.Na2 is used as detergent for metal and nonmetal. In dyeing
industry, HEDP.Na2 is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP.Na2 is used as chelating agent.
Package:
25kg/bag, and can make special specification according to customers’ requirement.
