FOB Price
Get Latest Price300 ~ 500 USD / Metric Ton
|1 Metric Ton Minimum Order
Country:
China
Model No:
-
FOB Price:
300 ~ 500 USD / Metric Ton Get Latest Price
Place of Origin:
Weifang,China
Price for Minimum Order:
300 per Metric Ton
Minimum Order Quantity:
1 Metric Ton
Packaging Detail:
Liquid: 200L plastic drum, IBC(1000L), customers' requirement. Solid: 25kg/bag, customers
Delivery Time:
3-7days
Supplying Ability:
-
Payment Type:
T/T, L/C, PayPal
Product Group :
Contact Person Matthew
Weifang, Shandong
Tetra Sodium Salt
of 1-Hydroxy Ethylidene-1,1-Diphosphonic
Acid(HEDP•Na4)
CAS No.
29329-71-3 (x-Na), 3794-83-0 (4-Na) Synonyms:
Tetrasodium etidronate
Molecular
Formula: C2H4O7P2Na4
Molecular weight: 294
Structural
Formula:
Properties:
HEDP•Na4 is
the sodium salt of HEDP, HEDP•Na4 is
an good scale inhibitor for calcium carbonate, it can be used in
low pressure boiler water system, circulating water system,
industrial and municipal cleaning water system and swimming
pool.
The
solid HEDP•Na4 is
white powder, soluble in water, easily deliquescence, suitable for
use in winter and freezing districts. It is a kind of
organophorphonic acid scale and corrosion inhibitor, can form
stable complex with Fe, Cu and Zn ions, it can dissolve the oxides
on metal surface, it has good scale and corrosion inhibition effect
under 250℃.
HEDP•Na4 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•Na4 is
used as detergent for metal and nonmetal. In dyeing
industry, HEDP•Na4 is
used as peroxide stabilizer and dye-fixing agent; In non-cyanide
electroplating, HEDP•Na4 is
used as chelating agent.
Specification:
| Items | Index | |
| Appearance | Colorless to yellowish transparent liquid | White powder |
| Active content (HEDP)% | 20.3-21.7 | 60.0 min |
| Active content (HEDP•Na4)% | 29.0-31.0 | 85.0 min |
| Total phosphoric acid (as PO43-)% | 18.4-20.4 | 55.0 min |
| Fe, mg/L | 20.0 max | 35.0 max |
| Moisture，% | -- | 9.0 max |
| Density (20℃)g/cm3 | 1.26-1.36 | -- |
| PH (1% water solution) | 10.0-12.0 | 11.0-12.0 |
| Country: | China |
| Model No: | - |
| FOB Price: | 300 ~ 500 / Metric Ton Get Latest Price |
| Place of Origin: | Weifang,China |
| Price for Minimum Order: | 300 per Metric Ton |
| Minimum Order Quantity: | 1 Metric Ton |
| Packaging Detail: | Liquid: 200L plastic drum, IBC(1000L), customers' requirement. Solid: 25kg/bag, customers |
| Delivery Time: | 3-7days |
| Supplying Ability: | - |
| Payment Type: | T/T, L/C, PayPal |
| Product Group : | Salts of Phosphonates |
