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Na4HEDP
CAS Number: 3794-83-0
Molecular Formula: C2H8Na4O7P2
Molecular Weight: 297.985
EC NO : 249-559-4
HEDPNa4 is the tetrasodium salt of HEDP.
This HEDP tetrasodium salt is a good scale inhibitor for calcium carbonate.
HEDP•Na4 can be used in a low-pressure boiler water system, circulating water system, industrial and municipal cleaning water system and swimming pool.
The solid HEDP Na4 is a white powder.
HEDP•Na4 can sole in water and easily deliquescence.
HEDP tetra-sodium is suitable for use in winter and freezing districts.
HEDP•Na4 is a kind of organophorphonic acid scale and corrosion inhibitor.
HEDP tetrasodium salt can form a stable complex with Fe, Cu and Zn ions.
HEDP Na4 can dissolve the oxides on the metal surface.
HEDP•Na4 has a good scale and corrosion inhibition effect under 250°C.
HEDP Na4 is widely used in circulating cool water system, medium, and low-pressure boiler, oil field water pipelines.
As the scale and corrosion inhibitor, HEDP tetrasodium is used in fields such as electric power, chemical industry, metallurgy, fertilizer, etc..
In the woven industry, this HEDP phosphonate is used as detergent for metal and nonmetal.
In the dyeing industry, HEDP tetrasodium salt is used as a peroxide stabilizer and dye-fixing agent.
In non-cyanide electroplating, HEDP tetrasodium is used as a chelating agent.
HEDP Na4 is an organic phosphonic acid salt. This product is a sodium salt of excellent performance in inhibiting the formation of calcium carbonate and calcium sulphate.
HEDP•Na4 is also an excellent chelating agent.
HEDP Na4 can form the stable complex with Fe, Cu and Zn ions.
The solid HEDP Na4 is a white powder.
HEDP•Na4 is soluble in water.
This HEDP tetrasodium salt easily deliquescence.
So HEDP•Na4 is suitable for use in winter and freezing districts.
HEDP Na4 can dissolve the oxides on the metal surface.
HEDP•Na4 has good scale and corrosion inhibition effect under 250℃.
This tetrasodium of HEDP is used as a stabilizer in cosmetic-dye industry.
HEDP•Na4 also prevents swelling problems of the packages. HEDP Na4 provides chlorine resistance in swimming pools and removes stains from the centre (usage level 1 – 15 ppm active substance).
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.
HEDP•Na4 is an organophosphoric acid corrosion inhibitor.
HEDP•Na4 can chelate with Fe, Cu, and Zn ions to form stable chelating compounds.HEDP can disso e the oxidized materials on these metals’ surfaces.
HEDP•Na4 shows excellent scale and corrosion inhibition effects under temperature 250℃.
HEDP•Na4 has good chemical stability under high pH value, hard to be hydrolyzed, and hard to be decomposed under ordinary light and heat conditions.
HEDP•Na4 acid/alkali and chlorine oxidation tolerance are better than that of other organophosphoric acids (salt).
HEDP•Na4 can react with metal ions in water system to form hexa-element chelating complex, with calcium ion in particular.
Therefore, HEDP•Na4 has good antiscale and visible threshold effects.
When HEDP•Na4 built together with other water treatment chemicals, it shows good synergistic effects.
The solid state of HEDP•Na4 is crystal powder, suitable for usage in winter and freezing districts.
Because of its high purity, HEDP•Na4 can be used as cleaning agent in electronic fields and as additives in daily chemicals.
HEDP•Na4 is an organic phosphonic acid salt.
HEDP•Na4 is a powerful sodium salt to inhibit the formation of calcium carbonate and calcium sulfate.
HEDP•Na4 is also an excellent chelating agent. The HEDP Na4 the stable complex may be Fe, Cu and Zn ions.
The solid HEDP Na4 is a white powder. Soluble in water. This tetrasodium salt of HEDP is easily weakened.
So HEDP•Na4 is suitable for use in winter and freezing areas. HEDP Na4 can dissolve oxides on the metal surface.
Good scale and anti-corrosion effect below 250 ° C.
This HEDP tetrasodium is used as a stabilizer in the cosmetic paint industry.
HEDP•Na4 also prevents packet swelling problems.
HEDP provides Na4 chlorine resistance in swimming pools and removes stains from the center (application rate: 1 to 15 ppm active ingredient).
Applications:
-Used as scale and corrosion inhibitor in circulating cool water system
-Used as scale and corrosion inhibitor in medium and low pressure boiler
-Used as scale and corrosion inhibitor in oil field water pipelines
-Used as detergent for metal and nonmetal In light woven industry
-Used as peroxide stabilizer and dye-fixing agent in dyeing industry
-Used as chelating agent In non-cyanide electroplating
-Used as water softener in soaps
-The circulating cool water system is used as a gauge and corrosion inhibitor
-It is used as a scale and corrosion inhibitor in medium and low pressure boilers
-It is used as a synthetic and corrosion inhibitor in oilfield aqueducts
-As a detergent, metallic and non-metallic raw material in the woven industry
-Used in the paint industry as a peroxide stabilizer and colorant
-Used as a chelating agent for non-cyanide electroplating
Usage:
HEDP•Na4 is used as scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boilers 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 is used as chelating agent.
The dosage of 1-10mg/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent.
Usually, HEDP•Na4 is used together with polycarboxylic acid.
Synonyms :
Mono-sodium salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid
Phosphonic acid, (1-hydroxyethylidene)bis-, sodium salt
(1-Hydroxyethyliden)bisphosphonsure, Natriumsalz
1-Hydroxyethanediphosphonic acid, sodium salt
Hydroxyethylidene diphosphonic acid, sodium salt
Monosodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid
HEDPoNa
phosphonic acid, (1-hydroxyethylidene)bis-, monosodium salt
Mono-sodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid;HEDP•Na
1-Hydroxyethanediphosphonic Acid Sodium Salt
