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CAS No:2809-21-4 (1-hydroxy-1-phosphonoethyl)phosphonic acid
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1-Hydroxy Ethylidene-1,1-Diphosphonic Acid /HEDP

  • CAS No.: 2809-21-4
  • Purity: 60%
  • Price: USD 1~/Kilograms
  • Weight: 206.028244
  • Place of Orign: zhengzhou ,Henan,China
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Item specifics

  • Product Name.:1-Hydroxy Ethylidene-1,1-Diphosphonic Acid /HEDP
  • CAS No: 2809-21-4
  • Weight: 206.028244
  • Formula: C2H8O7P2
  • Melting Point: 198~199℃
  • Boiling Point: 578.8°C at 760 mmHg
  • Density: 1.45 (60% AQ.)

Details

Description & Application:

A scale and synergistic corrosion inhibitor for iron rust and mineral scalefrom pipes of cooling circulation water units and boilers; Metal chelateagent for color fixing and bleaching in textile; Complexing agent for electronplate and scale cleaning agent for metals.



Safety Protection:

Acidity, avoid contact with eye and skin, once contacted, flush with water.


Package:
200L Drum, 1000L IBC or Bulk.Stored in cool and dry place.

Shelf Life:

1 year

Properties:
HEDP 60 is an excellent corrosion inhibitor and antiscalant. HEDP 60% can dissolve the oxidized materials on these metals’ surfaces. It shows the excellent scale and corrosion inhibition effects under a temperature of 250℃.

Under high pH value and 250℃, HEDP 60% shows good chemical stability. It is difficult to be decomposed by normal light and heat conditions. Its acid, alkali, and chlorine oxidation tolerance is better than most other organophosphates.

Uses:
HEDP 60 is used for scale and corrosion inhibition in circulating cool water systems, oil fields, and low-pressure boilers in fields. HEDP is widely used in power stations, oil fields, chemical plants, metallurgic plants for cooling water systems, and boilers as a scale inhibitor with a preferred dosage of 1~10 mg/L (antiscalant) and 10~50 mg/L (corrosion inhibitor).

HEDP is a metal and nonmetal detergent in the daily chemical industry. The dosage is usually 1000~2000 mg/L. It is also a peroxide stabilizer and dye-fixing agent in the dyeing industry.

Usually, HEDP acid chemicals are used together with polycarboxylic acid.

HEDP is widely used in power stations, oil fields, chemical plants, metallurgic plants for cooling water systems, and boilers as a scale inhibitor with preferred dosages 1~10 mg/L (antiscalant) and 10~50 mg/L (corrosion inhibitor).

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