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HEDP.Na4---Tetra Sodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid

HEDP.Na4---Tetra Sodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid photo-1
Negotiable MOQ: 1 Metric Ton (Price negotiable depending on order volume and customization)
Key Specifications
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Place of Origin:
Shandong, China
Brand Name:
CHEMPOOL
Model Number:
HEDP.Na4
Payment & Shipping
Payment Methods:
Port of Shipment:
QINGDAO
Delivery Detail:
Delivery time depends on order quantity.
Place of Origin Shandong, China
Brand Name CHEMPOOL
Model Number HEDP.Na4

Tetra sodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid---HEDP•Na4

 

CAS No.: 29329-71-3 (x-Na), 3794-83-0 (4-Na)         Molecular Formula: C2H4O7P2Na4   

Synonyms: Tetrasodium Etidronate                           Molecular Weight: 294

 

Properties:

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 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 while as peroxide stabilizer and dye-fixing agent in dyeing industry; In non-cyanide electroplating, HEDP•Na4 is used as chelating agent. 

 

Specification:

Items

Index

Appearance

White powder

Colorless to yellowish 

transparent liquid

Active content (HEDP)%

56.0 min

20.3-21.7

Active content (HEDP•Na4)%

79.9 min

29.0-31.0

Total phosphoric acid (as PO43-) %

52.0 min

18.4-20.4

Fe mg/L

35.0 max

20.0 max

Moisture %

15 max

--

Density (20℃)g/cm3

--

1.26-1.36

pH (1% water solution)

11.0-12.0

10.0-12.0

Phosphorous acid %

 

1.0 max

 

Package:

Liquid: 200L plastic drum, IBC(1000L), as per requirement.

Solid: 25kg/bag, as per requirement.

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Business Type
Trading Company
Year Established
2014
Factory Size
Below 1,000 square meters
Total Employees
11 - 50 People

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