Product Code: 200057450

Address:

Shanghai,China

Main Products:

Aluminum Chlorohydrate,Sodium Benzoate,Sodium Monofluorophosphate,Potassium Bromide,Sodium Bromide,Polyacrylamide

Contact Info.
HEDP.Na2 powder CAS No.: 7414-83-7
  • FOB Price
    US $ 2450.00 - 2460.00 / Metric Ton(s)
  • Min. Order
    1 Metric Ton(s)
  • Payment Terms
    T/T, L/C, Paypal, Western Union, MoneyGram
  • Port
    shanghai port,China
  • Delivery Time
    7 days after payment
  • Classification:
    Sodium Organic Salt
  • CAS No.:
    7414-83-7
  • Other Names:
    phosphonates
  • MF:
    C2H6O7P2Na2
  • EINECS No.:
    220-552-8
  • Place of Origin:
    China
  • Grade Standard:
    Industrial Grade
  • Purity:
    90%min
  • Appearance:
    white powder
  • Application:
    corrosion inhibitor
  • Brand Name:
    Twin
  • Model Number:
    HEDP.Na2
Product Description

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 contentHEDP%

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 tocustomers requirement.